CN110392018B

CN110392018B - Communication method and system of interphone

Info

Publication number: CN110392018B
Application number: CN201810350103.9A
Authority: CN
Inventors: 乔金龙; 沈军; 解君; 白羽
Original assignee: Visionvera Information Technology Co Ltd
Current assignee: Visionvera Information Technology Co Ltd
Priority date: 2018-04-18
Filing date: 2018-04-18
Publication date: 2022-05-06
Anticipated expiration: 2038-04-18
Also published as: CN110392018A

Abstract

The embodiment of the invention provides a communication method and a system of an interphone, wherein the method comprises the following steps: the first protocol conversion server receives a first IP voice data packet sent by a first transfer station in an IP network, performs protocol conversion from the IP network to a video network on the first IP voice data packet to obtain a first video-networking voice data packet, and sends the first video-networking voice data packet to the video network server in the video network; the second protocol conversion server receives a first video-associated voice data packet sent by the video-associated network server according to a downlink communication link configured for the second protocol conversion server in the video-associated network, performs protocol conversion from the video-associated network to the IP network on the first video-associated voice data packet to obtain a second IP voice data packet, and sends the second IP voice data packet to the second relay station in the IP network so as to decode the first voice data into a first voice signal and forward the first voice signal to the second interphone for playing, thereby greatly expanding the communication range of the interphone.

Description

Communication method and system of interphone

Technical Field

The invention relates to the technical field of video networking, in particular to a communication method and a communication system of an interphone.

Background

With the development of science and technology and economy, the interphone is widely applied to the application fields of security, logistics, transportation, industrial management and the like which need remote communication and dispatching.

The communication range between the interphones is within the range of several kilometers, and some talkback requirements within a small range, such as emergency command and the like, can be met.

The users are in areas far away from hundreds of kilometers, the communication range between the interphones is exceeded, and the users cannot use the interphones to communicate.

Disclosure of Invention

In view of the above problems, embodiments of the present invention are proposed to provide a communication method and system of an intercom that overcomes or at least partially solves the above problems.

According to an aspect of the present invention, there is provided a communication method of an intercom, a first collaboration server and a second collaboration server access an IP network and a video network simultaneously, in the IP network, the first collaboration server is connected to a first communication station, the first communication station is connected to a first intercom, the second collaboration server is connected to a second communication station, the second intercom station is connected to a second intercom, in the video network, a first virtual video network terminal is created in the first collaboration server, a second virtual video network terminal is created in the second collaboration server, and the first virtual video network terminal and the second virtual video network terminal access the video network server, the method comprising:

a first protocol conversion server receives a first IP voice data packet sent by the first transfer station in the IP network, wherein the first IP voice data packet comprises first voice data obtained by coding a first voice signal of the first interphone;

the first protocol conversion server carries out protocol conversion from the IP network to the video network on the first IP voice data packet to obtain a first video-internet voice data packet;

the first virtual video network terminal sends the first video network voice data packet to the video network server;

the second protocol conversion server is in the video network, and the second virtual video network terminal receives the first video network voice data packet sent by the video network server according to a downlink communication link configured for the second protocol conversion server;

the second protocol conversion server performs protocol conversion from the video network to the IP network on the first video-internet voice data packet to obtain a second IP voice data packet;

and the second protocol conversion server sends the second IP voice data packet to the second relay station in the IP network so as to decode the first voice data into the first voice signal and transmit the first voice signal to the second interphone for playing.

According to another aspect of the present invention, there is provided a communication system of an intercom, a first collaboration server and a second collaboration server access an IP network and a video network simultaneously, in the IP network, the first collaboration server is connected to a first communication station, the first communication station is connected to a first intercom, the second collaboration server is connected to a second communication station, the second communication station is connected to a second intercom, in the video network, a first virtual video network terminal is created in the first collaboration server, a second virtual video network terminal is created in the second collaboration server, and the first virtual video network terminal and the second virtual video network terminal access the video network server;

the first collaboration server comprises:

a first IP voice packet receiving module, configured to receive, in the IP network, a first IP voice packet sent by the first relay station, where the first IP voice packet includes first voice data obtained by encoding a first voice signal of the first intercom;

the first protocol conversion module is used for carrying out protocol conversion from the IP network to the video network on the first IP voice data packet to obtain a first video-internet voice data packet;

the first video networking voice data packet sending module is used for sending the first video networking voice data packet to the video networking server by the first virtual video networking terminal in the video networking;

the second collaboration server comprises:

a first video-networking voice data packet receiving module, configured to receive, by the second virtual video-networking terminal, the first video-networking voice data packet sent by the video-networking server according to a downlink communication link configured to the second protocol server in the video-networking;

the second protocol conversion module is used for carrying out protocol conversion from the video network to the IP network on the first video-internet voice data packet to obtain a second IP voice data packet;

and the second IP voice data packet sending module is used for sending the second IP voice data packet to the second relay station in the IP network so as to decode the first voice data into the first voice signal and forward the first voice signal to the second interphone for playing.

The embodiment of the invention has the following advantages:

in the embodiment of the invention, a first protocol conversion server receives a first IP voice data packet sent by a first signal conversion station in an IP network and carries out protocol conversion from the IP network to a video network to obtain a first video voice data packet, a first virtual video network terminal sends the first video voice data packet to a video network server in the video network, a second protocol conversion server receives the first video voice data packet of the video network server in the video network and carries out protocol conversion from the video network to the IP network to obtain a second IP voice data packet, a second IP voice data packet is sent to a second signal conversion station in the IP network to decode the first voice data into a first voice signal and transmit the first voice signal to a second interphone for playing, the interphone can be accessed into the video network through the protocol conversion of the protocol conversion server, and the video network can be deployed in different areas, the communication range is wide, the communication range of the interphone can be greatly expanded, and a user can make point-to-point calling through the interphone in different areas and get contact with the other side in time, so that the user can quickly make response and solve the problem.

Drawings

FIG. 1 is a networking diagram of a video network, according to one embodiment of the invention;

FIG. 2 is a diagram illustrating a hardware architecture of a node server according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a hardware structure of an access switch according to an embodiment of the present invention;

fig. 4 is a schematic hardware structure diagram of an ethernet protocol conversion gateway according to an embodiment of the present invention;

fig. 5 is an architecture diagram of an intercom communication system, in accordance with an embodiment of the present invention;

FIG. 6 is a flowchart illustrating steps of a method for communicating with an intercom system according to an embodiment of the present invention;

FIG. 7 is a flowchart illustrating steps of another intercom communication method, in accordance with an embodiment of the present invention;

FIG. 8 is a flowchart illustrating steps of another intercom communication method, in accordance with one embodiment of the present invention;

FIG. 9 is a flowchart illustrating steps of another intercom communication method, in accordance with an embodiment of the present invention;

FIG. 10 is a flowchart illustrating the steps of another method for communicating with an intercom system in accordance with one embodiment of the present invention;

FIG. 11 is a flowchart illustrating steps of another intercom communication method, in accordance with an embodiment of the present invention;

fig. 12 is a block diagram of a communication system of an intercom according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The video networking is an important milestone for network development, is a real-time network, can realize high-definition video real-time transmission, and pushes a plurality of internet applications to high-definition video, and high-definition faces each other.

The video networking adopts a real-time high-definition video exchange technology, can integrate required services such as dozens of services of video, voice, pictures, characters, communication, data and the like on a system platform on a network platform, such as high-definition video conference, video monitoring, intelligent monitoring analysis, emergency command, digital broadcast television, delayed television, network teaching, live broadcast, VOD on demand, television mail, Personal Video Recorder (PVR), intranet (self-office) channels, intelligent video broadcast control, information distribution and the like, and realizes high-definition quality video broadcast through a television or a computer.

To enable those skilled in the art to better understand the embodiments of the present invention, the following description is given of the internet of view:

some of the technologies applied in the video networking are as follows:

network Technology (Network Technology)

Network technology innovation in video networking has improved over traditional Ethernet (Ethernet) to face the potentially enormous video traffic on the network. Unlike pure network Packet Switching (Packet Switching) or network Circuit Switching (Circuit Switching), the Packet Switching is adopted by the technology of the video networking to meet the Streaming requirement. The video networking technology has the advantages of flexibility, simplicity and low price of packet switching, and simultaneously has the quality and safety guarantee of circuit switching, thereby realizing the seamless connection of the whole network switching type virtual circuit and the data format.

Switching Technology (Switching Technology)

The video network adopts two advantages of asynchronism and packet exchange of the Ethernet, eliminates the Ethernet defect on the premise of full compatibility, and has end-to-end seamless connection of the whole network, direct connection with a user terminal and direct bearing of an IP data packet. The user data does not require any format conversion across the entire network. The video networking is a higher-level form of the Ethernet, is a real-time exchange platform, can realize the real-time transmission of the whole-network large-scale high-definition video which cannot be realized by the existing Internet, and pushes a plurality of network video applications to high-definition and unification.

Server Technology (Server Technology)

The server technology on the video networking and unified video platform is different from the traditional server, the streaming media transmission of the video networking and unified video platform is established on the basis of connection orientation, the data processing capacity of the video networking and unified video platform is independent of flow and communication time, and a single network layer can contain signaling and data transmission. For voice and video services, the complexity of video networking and unified video platform streaming media processing is much simpler than that of data processing, and the efficiency is greatly improved by more than one hundred times compared with that of a traditional server.

Storage Technology (Storage Technology)

The super-high speed storage technology of the unified video platform adopts the most advanced real-time operating system in order to adapt to the media content with super-large capacity and super-large flow, the program information in the server instruction is mapped to the specific hard disk space, the media content is not passed through the server any more, and is directly sent to the user terminal instantly, and the general waiting time of the user is less than 0.2 second. The optimized sector distribution greatly reduces the mechanical motion of the magnetic head track seeking of the hard disk, the resource consumption only accounts for 20% of that of the IP internet of the same grade, but concurrent flow which is 3 times larger than that of the traditional hard disk array is generated, and the comprehensive efficiency is improved by more than 10 times.

Network Security Technology (Network Security Technology)

The structural design of the video network completely eliminates the network security problem troubling the internet structurally by the modes of independent service permission control each time, complete isolation of equipment and user data and the like, generally does not need antivirus programs and firewalls, avoids the attack of hackers and viruses, and provides a structural carefree security network for users.

Service Innovation Technology (Service Innovation Technology)

The unified video platform integrates services and transmission, and is not only automatically connected once whether a single user, a private network user or a network aggregate. The user terminal, the set-top box or the PC are directly connected to the unified video platform to obtain various multimedia video services in various forms. The unified video platform adopts a menu type configuration table mode to replace the traditional complex application programming, can realize complex application by using very few codes, and realizes infinite new service innovation.

Networking of the video network is as follows:

the video network is a centralized control network structure, and the network can be a tree network, a star network, a ring network and the like, but on the basis of the centralized control node, the whole network is controlled by the centralized control node in the network.

As shown in fig. 1, the video network is divided into an access network and a metropolitan network.

The devices of the access network part can be mainly classified into 3 types: node server, access switch, terminal (including various set-top boxes, coding boards, memories, etc.). The node server is connected to an access switch, which may be connected to a plurality of terminals and may be connected to an ethernet network.

The node server is a node which plays a centralized control function in the access network and can control the access switch and the terminal. The node server may be directly connected to the access switch or may be directly connected to the terminal.

Similarly, devices of the metropolitan network portion may also be classified into 3 types: a metropolitan area server, a node switch and a node server. The metro server is connected to a node switch, which may be connected to a plurality of node servers.

The node server is a node server of the access network part, namely the node server belongs to both the access network part and the metropolitan area network part.

The metropolitan area server is a node which plays a centralized control function in the metropolitan area network and can control a node switch and a node server. The metropolitan area server can be directly connected with the node switch or directly connected with the node server.

Therefore, the whole video network is a network structure with layered centralized control, and the network controlled by the node server and the metropolitan area server can be in various structures such as tree, star and ring.

The access network part can form a unified video platform (the part in the dotted circle), and a plurality of unified video platforms can form a video network; each unified video platform may be interconnected via metropolitan area and wide area video networking.

Video networking device classification

1.1 devices in the video network of the embodiment of the present invention can be mainly classified into 3 types: servers, switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.). The video network as a whole can be divided into a metropolitan area network (or national network, global network, etc.) and an access network.

1.2 wherein the devices of the access network part can be mainly classified into 3 types: node servers, access switches (including ethernet gateways), terminals (including various set-top boxes, code boards, memories, etc.).

The specific hardware structure of each access network device is as follows:

a node server:

as shown in fig. 2, the network interface module 201, the switching engine module 202, the CPU module 203, and the disk array module 204 are mainly included;

the network interface module 201, the CPU module 203, and the disk array module 204 all enter the switching engine module 202; the switching engine module 202 performs an operation of looking up the address table 205 on the incoming packet, thereby obtaining the direction information of the packet; and stores the packet in a queue of the corresponding packet buffer 206 based on the packet's steering information; if the queue of the packet buffer 206 is nearly full, it is discarded; the switching engine module 202 polls all packet buffer queues for forwarding if the following conditions are met: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero. The disk array module 204 mainly implements control over the hard disk, including initialization, read-write, and other operations on the hard disk; the CPU module 203 is mainly responsible for protocol processing with an access switch and a terminal (not shown in the figure), configuring an address table 205 (including a downlink protocol packet address table, an uplink protocol packet address table, and a data packet address table), and configuring the disk array module 204.

The access switch:

as shown in fig. 3, the network interface module mainly includes a network interface module (a downlink network interface module 301 and an uplink network interface module 302), a switching engine module 303 and a CPU module 304;

wherein, the packet (uplink data) coming from the downlink network interface module 301 enters the packet detection module 305; the packet detection module 305 detects whether the Destination Address (DA), the Source Address (SA), the packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id) and enters the switching engine module 303, otherwise, discards the stream identifier; the packet (downstream data) coming from the upstream network interface module 302 enters the switching engine module 303; the data packet coming from the CPU module 204 enters the switching engine module 303; the switching engine module 303 performs an operation of looking up the address table 306 on the incoming packet, thereby obtaining the direction information of the packet; if the packet entering the switching engine module 303 is from the downstream network interface to the upstream network interface, the packet is stored in the queue of the corresponding packet buffer 307 in association with the stream-id; if the queue of the packet buffer 307 is nearly full, it is discarded; if the packet entering the switching engine module 303 is not from the downlink network interface to the uplink network interface, the data packet is stored in the queue of the corresponding packet buffer 307 according to the guiding information of the packet; if the queue of the packet buffer 307 is nearly full, it is discarded.

The switching engine module 303 polls all packet buffer queues, which in this embodiment of the present invention is divided into two cases:

if the queue is from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queued packet counter is greater than zero; 3) obtaining a token generated by a code rate control module;

if the queue is not from the downlink network interface to the uplink network interface, the following conditions are met for forwarding: 1) the port send buffer is not full; 2) the queue packet counter is greater than zero.

The rate control module 208 is configured by the CPU module 204, and generates tokens for packet buffer queues from all downlink network interfaces to the uplink network interfaces at programmable intervals to control the rate of uplink forwarding.

The CPU module 304 is mainly responsible for protocol processing with the node server, configuration of the address table 306, and configuration of the code rate control module 308.

Ethernet protocol conversion gateway：

As shown in fig. 4, the apparatus mainly includes a network interface module (a downlink network interface module 401 and an uplink network interface module 402), a switching engine module 403, a CPU module 404, a packet detection module 405, a rate control module 408, an address table 406, a packet buffer 407, a MAC adding module 409, and a MAC deleting module 410.

Wherein, the data packet coming from the downlink network interface module 401 enters the packet detection module 405; the packet detection module 405 detects whether the ethernet MAC DA, the ethernet MAC SA, the ethernet length or frame type, the video network destination address DA, the video network source address SA, the video network packet type, and the packet length of the packet meet the requirements, and if so, allocates a corresponding stream identifier (stream-id); then, the MAC deletion module 410 subtracts MAC DA, MAC SA, length or frame type (2byte) and enters the corresponding receiving buffer, otherwise, discards it;

the downlink network interface module 401 detects the sending buffer of the port, and if there is a packet, obtains the ethernet MAC DA of the corresponding terminal according to the destination address DA of the packet, adds the ethernet MAC DA of the terminal, the MAC SA of the ethernet protocol gateway, and the ethernet length or frame type, and sends the packet.

The other modules in the ethernet protocol gateway function similarly to the access switch.

A terminal:

the system mainly comprises a network interface module, a service processing module and a CPU module; for example, the set-top box mainly comprises a network interface module, a video and audio coding and decoding engine module and a CPU module; the coding board mainly comprises a network interface module, a video and audio coding engine module and a CPU module; the memory mainly comprises a network interface module, a CPU module and a disk array module.

1.3 devices of the metropolitan area network part can be mainly classified into 2 types: node server, node exchanger, metropolitan area server. The node switch mainly comprises a network interface module, a switching engine module and a CPU module; the metropolitan area server mainly comprises a network interface module, a switching engine module and a CPU module.

2. Video networking packet definition

2.1 Access network packet definition

The data packet of the access network mainly comprises the following parts: destination Address (DA), Source Address (SA), reserved bytes, payload (pdu), CRC.

As shown in the following table, the data packet of the access network mainly includes the following parts:

DA

SA

Reserved

Payload

CRC

wherein:

the Destination Address (DA) is composed of 8 bytes (byte), the first byte represents the type of the data packet (such as various protocol packets, multicast data packets, unicast data packets, etc.), there are 256 possibilities at most, the second byte to the sixth byte are metropolitan area network addresses, and the seventh byte and the eighth byte are access network addresses;

the Source Address (SA) is also composed of 8 bytes (byte), defined as the same as the Destination Address (DA);

the reserved byte consists of 2 bytes;

the payload part has different lengths according to different types of datagrams, and is 64 bytes if the datagram is various types of protocol packets, and is 32+1024 or 1056 bytes if the datagram is a unicast packet, of course, the length is not limited to the above 2 types;

the CRC consists of 4 bytes and is calculated in accordance with the standard ethernet CRC algorithm.

2.2 packet definition for metropolitan area networks

The topology of a metropolitan area network is a graph and there may be 2, or even more than 2, connections between two devices, i.e., there may be more than 2 connections between a node switch and a node server, a node switch and a node switch, and a node switch and a node server. However, the address of the metro network device is unique, and in order to accurately describe the connection relationship between the metro network devices, parameters are introduced in the embodiment of the present invention: a label to uniquely describe a metropolitan area network device.

In this specification, the definition of the Label is similar to that of the Label of MPLS (Multi-Protocol Label Switch), and assuming that there are two connections between the device a and the device B, there are 2 labels for the packet from the device a to the device B, and 2 labels for the packet from the device B to the device a. The label is classified into an incoming label and an outgoing label, and assuming that the label (incoming label) of the packet entering the device a is 0x0000, the label (outgoing label) of the packet leaving the device a may become 0x 0001. The network access process of the metro network is a network access process under centralized control, that is, address allocation and label allocation of the metro network are both dominated by the metro server, and the node switch and the node server are both passively executed, which is different from label allocation of MPLS, and label allocation of MPLS is a result of mutual negotiation between the switch and the server.

As shown in the following table, the data packet of the metro network mainly includes the following parts:

DA

SA

Reserved

label (R)

Payload

CRC

Namely Destination Address (DA), Source Address (SA), Reserved byte (Reserved), tag, payload (pdu), CRC. The format of the tag may be defined as follows: the tag is 32 bits with the upper 16 bits reserved and only the lower 16 bits used, and its position is between the reserved bytes and payload of the packet.

Referring to fig. 5, an architecture diagram of an intercom communication system is shown, in accordance with one embodiment of the present invention.

In the embodiment of the invention, the communication between the interphones is cross-network communication between the IP network and the video network.

As shown in fig. 5, the first protocol server 502 and the second protocol server 503 both have a network card of an IP network and a network card of a video network, and therefore can simultaneously access the IP network and the video network to perform communication in the IP network and the video network.

In an IP network:

at one end of the communication, the first collaboration server 502 is connected to a first relay station 504, and the first relay station 504 is connected to a first intercom 506.

On the other end of the communication, the second relay station 505 is connected to the second collaboration server 503, and the second relay station 505 is connected to the second intercom 507.

The first relay station 504 and the second relay station 505 may be ultra-short wave radio stations, relay or terminal stations, or stations (including mobile stations) equipped with communication devices for forming an ultra-short wave communication circuit, and are also called very high frequency radio stations, and the operating frequency is 30 to 300MHz (operating wavelength is 10 to 1 m).

The first interphone 506 and the second interphone 506 can both send short waves, i.e., radio waves with a frequency of 3-30 MHz.

The first and

second relay stations

504 and 505 can be used to receive the short waves transmitted by the first and

second relay stations

504 and 506 and convert the short waves into digital signals.

In the video network:

in one aspect, a first virtual video networking endpoint is created in first collaboration server 502.

On the other hand, the second collaboration server 503 creates a second virtual video network terminal.

The first virtual video network terminal and the second virtual video network terminal access the video network server 501 so that within the video network, a communication link between the first virtual video network terminal and the second virtual video network terminal can be established.

The first virtual video network terminal and the second virtual video network terminal both belong to virtual video network terminals, the first collaboration server 502 and the second collaboration server 503 can allocate resources, such as CPU (Central Processing Unit) resources, memory resources, storage resources, and the like, to construct virtual video network terminals, and the video network server 501 allocates valid video network numbers to the first virtual video network terminal and the second virtual video network terminal, completes the identity authentication and network access authentication of the video network, and maintains a heartbeat connection with the video network server 501.

Referring to fig. 6, a flowchart illustrating steps of a communication method of an intercom according to an embodiment of the present invention is shown, which may specifically include the following steps:

step 601, the first protocol conversion server receives a call request, which is encapsulated by the first relay station according to the call signal of the first interphone, in the IP network, and performs protocol conversion from the IP network to the video network.

When a user initiates a call to the second interphone in the first interphone, the first interphone generates a call signal and sends the call signal to the first communication station.

The first relay station converts the Call signal from an analog signal to a digital signal, encapsulates the Call signal into a Call Request according to a TCP/IP (Transmission Control Protocol/Internet Protocol) Protocol, and transmits the Call Request Call to the first relay server.

The first protocol conversion server receives a Call Request of a TCP/IP protocol through a network card of an IP network.

In the first protocol conversion server, the first virtual video network terminal or other modules convert the Call Request of the TCP/IP protocol into the Call Request of the 8e01 protocol of the video network.

The 8e01 protocol belongs to a service application instruction and is sent by a video network terminal, and the specification can be shown in the following table:

step 602, the first virtual video network terminal sends the call request to the video network server in the video network by the first coordination server.

In the first protocol conversion server, the first virtual video network terminal sends the Call Request of the 8e01 protocol to the video network server through the network card of the video network, so as to forward the Call Request to the second virtual video network terminal.

Step 603, the second virtual video network terminal receives the call request sent by the video network server according to the downlink communication link configured for the second protocol conversion server in the video network, and performs protocol conversion from the video network to the IP network.

The video network server converts the Call Request of the 8e01 protocol of the first virtual video network terminal into the Call Request of the 8e02 protocol, and sends the Call Request of the 8e02 protocol to the second protocol server (second virtual video network terminal) according to the downlink communication link configured by the second protocol server (second virtual video network terminal).

The 8e02 protocol belongs to the service application response, which is sent by the video network server, and the specification can be as shown in the following table:

in this practical application, the video network is a network with a centralized control function, and includes a main control server and a lower level network device, where the lower level network device includes a terminal, and one of the core concepts of the video network is that a table is configured for a downlink communication link of a current service by notifying a switching device by the main control server, and then a data packet is transmitted based on the configured table.

Namely, the communication method in the video network includes:

and the master control server configures the downlink communication link of the current service.

And transmitting the data packet of the current service sent by the source terminal to the target terminal (such as the first coordination server and the second coordination server) according to the downlink communication link.

In the embodiment of the present invention, configuring the downlink communication link of the current service includes: and informing the switching equipment related to the downlink communication link of the current service to allocate the table.

Further, transmitting according to the downlink communication link includes: the configured table is consulted, and the switching equipment transmits the received data packet through the corresponding port.

In particular implementations, the services include unicast communication services and multicast communication services. Namely, whether multicast communication or unicast communication, the core concept of the table matching-table can be adopted to realize communication in the video network.

As mentioned above, the video network includes an access network portion, in which the master server is a node server and the lower-level network devices include an access switch and a terminal.

For the unicast communication service in the access network, the step of configuring the downlink communication link of the current service by the master server may include the following steps:

and a substep S11, the main control server obtains the downlink communication link information of the current service according to the service request protocol packet initiated by the source terminal, wherein the downlink communication link information includes the downlink communication port information of the main control server and the access switch participating in the current service.

In the substep S12, the main control server sets a downlink port to which a packet of the current service is directed in a packet address table inside the main control server according to the downlink communication port information of the control server; and sending a port configuration command to the corresponding access switch according to the downlink communication port information of the access switch.

In sub-step S13, the access switch sets the downstream port to which the packet of the current service is directed in its internal packet address table according to the port configuration command.

For a multicast communication service (e.g., video conference) in the access network, the step of the master server obtaining downlink information of the current service may include the following sub-steps:

in sub-step S21, the main control server obtains a service request protocol packet initiated by the target terminal and applying for the multicast communication service, where the service request protocol packet includes service type information, service content information, and an access network address of the target terminal.

Wherein, the service content information includes a service number.

And a substep S22, the main control server extracts the access network address of the source terminal in a preset content-address mapping table according to the service number.

In the substep of S23, the main control server obtains the multicast address corresponding to the source terminal and distributes the multicast address to the target terminal; and acquiring the communication link information of the current multicast service according to the service type information and the access network addresses of the source terminal and the target terminal.

In the second protocol conversion server, the second virtual video network terminal receives the Call Request of the 8e02 protocol sent by the video network server through the network card of the video network, and converts the Call Request into the Call Request of the TCP/IP protocol.

Step 604, the second coordination server sends the call request to the second relay station in the IP network, so as to extract the call signal and send the call signal to the second intercom.

And in the second relay server, sending the Call Request of the TCP/IP protocol to a second relay station through the network card of the IP network.

The second relay station extracts the Call signal from the Call Request of the TCP/IP protocol, converts the Call signal from a digital signal into an analog signal, and sends the analog signal to the second interphone.

Step 605, the second protocol conversion server receives, in the IP network, the call response encapsulated by the second relay station for the first response signal of the second intercom, and performs protocol conversion from the IP network to the video network.

The second interphone carries out corresponding processing on the call signal to realize that the first interphone initiates a call to the second interphone, and the second interphone can generate a first response signal aiming at the call signal and sends the first response signal to the second relay station.

The second relay station converts the first response signal from an analog signal into a digital signal, encapsulates the first response signal into a Call response according to a TCP/IP protocol, and sends the Call response to the second relay station.

The second protocol conversion server receives the Call response of the TCP/IP protocol through the network card of the IP network.

In the second protocol server, the second virtual video network terminal or other module converts the Call response of the TCP/IP protocol into the Call response of the 8e01 protocol of the video network.

And 606, the second virtual video network terminal sends the call response to the video network server in the video network by the second coordination server.

In the second protocol conversion server, the second virtual video network terminal sends the Call response of the 8e01 protocol to the video network server through the network card of the video network so as to be converted to the first virtual video network terminal.

Step 607, the first virtual video network terminal of the first protocol conversion server receives the call response sent by the video network server according to the downlink communication link configured to the first protocol conversion server in the video network, and performs the protocol conversion from the IP network to the video network.

The video network server converts the Call response Call Respond of the 8e01 protocol of the second virtual video network terminal into the Call response Call Respond of the 8e02 protocol, and sends the Call response Call Respond of the 8e02 protocol to the first protocol server (first virtual video network terminal) according to the downlink communication link configured by the first protocol server (first virtual video network terminal).

In the first protocol conversion server, the first virtual video network terminal receives the Call response of 8e02 protocol sent by the video network server through the video network card, and converts the Call response into Call response of TCP/IP protocol.

Step 608, the first coordination server sends the call response to the first relay station in the IP network, so as to extract the first response signal and send the first response signal to the first intercom.

In the first protocol conversion server, the Call response of the TCP/IP protocol is sent to the first transfer station through the network card of the IP network.

The first transfer station extracts a first response signal from a Call response of a TCP/IP protocol, converts the first response signal from a digital signal into an analog signal, and sends the analog signal to the first interphone.

Step 609, the first protocol conversion server receives a call response acknowledgement encapsulated by the first relay station for the call acknowledgement signal of the first interphone in the IP network, and performs protocol conversion from the IP network to the video network.

The first interphone carries out corresponding processing on the first response signal to realize the response of the second interphone to the call initiated by the first interphone, and the first interphone can generate a call confirmation signal aiming at the first response signal and sends the call confirmation signal to the first transfer station.

The first transfer station converts the Call acknowledgement signal from an analog signal to a digital signal, encapsulates the Call signal into a Call response acknowledgement Ack according to a TCP/IP protocol, and transmits the Call response acknowledgement Ack to the first transfer server.

The first protocol conversion server receives the Call response confirmation Call response Ack of the TCP/IP protocol through the network card of the IP network.

At the first coordination server, the first virtual video network terminal or other module converts the Call response acknowledgement Ack of the TCP/IP protocol into a Call response acknowledgement Ack of the 8e01 protocol of the video network.

Step 610, the first virtual video network terminal sends the call response confirmation to the video network server in the video network by the first coordination server.

In the first protocol conversion server, the first virtual video network terminal sends the Call response acknowledgement Ack of the 8e01 protocol to the video network server through the network card of the video network, so as to forward the Call response acknowledgement Ack to the second virtual video network terminal.

Step 611, the second virtual internet of things terminal receives a call response acknowledgement sent by the internet of things server according to the downlink communication link configured to the second protocol conversion server in the internet of things, and performs protocol conversion from the internet of things to the IP network.

The video network server converts the Call response acknowledgement (Call Respond) Ack of the 8e01 protocol of the first virtual video network terminal into the Call response acknowledgement (Call Respond) Ack of the 8e02 protocol, and sends the Call response acknowledgement (Call Respond) of the 8e02 protocol to the second protocol server (second virtual video network terminal) according to the downlink communication link configured by the second protocol server (second virtual video network terminal).

In the second protocol conversion server, the second virtual video network terminal receives the Call response acknowledgement Call response Ack of the 8e02 protocol sent by the video network server through the video network card, and converts the Call response acknowledgement Call response Ack into a Call response acknowledgement Call response Ack of the TCP/IP protocol.

Step 612, the second coordination server sends the call response acknowledgement to the second relay station in the IP network, so as to extract the call acknowledgement signal and send the call acknowledgement signal to the second intercom.

And in the second relay server, sending a Call response confirmation Call response Ack of the TCP/IP protocol to the second relay station through the network card of the IP network.

The second relay station extracts the Call acknowledgement signal from the Call response acknowledgement Ack of the TCP/IP protocol, converts the Call acknowledgement signal from a digital signal to an analog signal, and transmits the analog signal to the second intercom.

The second interphone carries out corresponding processing on the call confirmation signal to realize the confirmation of the response initiated by the first interphone to the second interphone, so that a communication link between the first interphone and the second interphone is established in the IP network and the video network.

Referring to fig. 7, a flowchart illustrating steps of another intercom communication method according to an embodiment of the present invention is shown, which may specifically include the following steps:

step 701, a first protocol conversion server receives, by the first virtual video network terminal, a first coding start instruction sent by the video network server according to a downlink communication link configured to the first protocol conversion server in the video network.

Step 702, the first cooperative server starts a preset first encoder according to the first encoding start instruction.

In step 703, the first virtual video network terminal of the first protocol conversion server receives, in the video network, a first decoding start instruction sent by the video network server according to the downlink communication link configured to the first protocol conversion server.

Step 704, the first coordination server starts a preset first decoder according to the first decoding start instruction.

In the embodiment of the invention, a first encoder and a first decoder are preset in the first cooperative server.

The first encoder is used for encoding the voice data of the IP network into the voice data of the video network.

The first decoder is used for decoding the voice data of the video network into the voice data of the IP network.

If a communication link between the first interphone and the second interphone is established in the IP network and the video network, the video network server may generate a 8704 protocol first encoding start instruction Open Encode and a first decoding start instruction Open Decode, and send the instructions to the first protocol server according to a downlink communication link configured to the first protocol server.

The 8704 protocol specification is shown in the following table:

in the first protocol conversion server, a first coding start instruction Open Encode and a first decoding start instruction Open Decode of a 8704 protocol of the video network server are received through a network card of the video network, and a first encoder and a first decoder are started according to the first coding start instruction Open Encode and the first decoding start instruction Open Decode, so that preparation is made for subsequent communication between a first interphone and a second interphone.

Step 705, the second virtual video network terminal receives, by the second protocol server in the video network, a second coding start instruction sent by the video network server according to the downlink communication link configured to the second protocol server.

Step 706, the second cooperative conversion server starts a preset second encoder according to the second encoding start instruction.

And 707, the second virtual video network terminal receives, by the second protocol server in the video network, a second decoding start instruction sent by the video network server according to the downlink communication link configured to the second protocol server.

Step 708, the second cooperative server starts a preset second decoder according to the second decoding start instruction.

In the embodiment of the present invention, the second coordination server is preset with a second encoder and a second decoder.

The second encoder is used for encoding the voice data of the IP network into the voice data of the video network.

The second decoder is used for decoding the voice data of the video network into the voice data of the IP network.

If a communication link between the first interphone and the second interphone is established in the IP network and the video network, the video network server may generate a 8704 protocol second encoding start instruction Open Encode and a second decoding start instruction Open Decode, and send the 8704 protocol second encoding start instruction Open Encode and the second decoding start instruction Open Decode to the second protocol conversion server according to a downlink communication link configured to the second protocol conversion server.

In the second protocol conversion server, a second coding start instruction Open Encode and a second decoding start instruction Open Decode of a 8704 protocol of the video network server are received through a network card of the video network, and a second encoder and a second decoder are started according to the second coding start instruction Open Encode and the second decoding start instruction Open Decode, so that preparation is made for subsequent communication between the first interphone and the second interphone.

Referring to fig. 8, a flowchart illustrating steps of another intercom communication method according to an embodiment of the present invention is shown, which may specifically include the following steps:

step 801, the first coordination server receives, in the IP network, the first IP voice data packet sent by the first relay station.

In the embodiment of the invention, a user presses an intercom button in a first intercom and speaks to generate a first voice signal, and the first voice signal is sent to a first transfer station.

The first communication station encodes the first voice signal from the analog signal into a digital signal in AMBE format, namely first voice data, generates a first IP voice data packet of TCP/IP protocol and sends the first IP voice data packet to the first protocol conversion server.

The first protocol conversion server receives a first IP voice data packet of the first transfer station through a network card of the IP network.

The first IP voice data packet comprises first voice data obtained by coding a first voice signal of the first interphone.

Step 802, the first protocol conversion server performs protocol conversion from the IP network to the video network on the first IP voice data packet to obtain a first video-internet voice data packet.

In the first protocol conversion server, a first virtual video network terminal or other modules extract first voice data from a first IP voice data packet, a preset first encoder is called, the first voice data is encoded into a video network format from an IP network format, and a first video network voice data packet is generated according to a 2001 protocol.

The specification of the 2001 protocol is shown in the following table:

step 803, the first virtual internet-of-video terminal sends the first internet-of-video voice data packet to the first protocol conversion server in the internet of video.

In the first coordination server, the first virtual video network terminal sends the first video network voice data packet of the 2001 protocol to the video network server through the network card of the video network so as to send the first video network voice data packet to the second virtual video network terminal.

Step 804, the second virtual video network terminal receives the first video network voice data packet sent by the video network server according to the downlink communication link configured for the second protocol conversion server in the video network by the second protocol conversion server.

The video network server sends the first video networking voice data packet of the 2001 protocol to a second protocol conversion server (a second virtual video network terminal) according to a downlink communication link configured by the second protocol conversion server (a second virtual video network terminal) aiming at the first video networking voice data packet of the 2001 protocol of the first virtual video network terminal.

In the second protocol conversion server, the second virtual video network terminal receives the first video network voice data packet of the 2001 protocol sent by the video network server through the network card of the video network.

Step 805, the second protocol conversion server performs protocol conversion from the video network to the IP network on the first video-associated voice data packet, so as to obtain a second IP voice data packet.

In the second protocol conversion server, a second virtual video network terminal or other modules extract first voice data from a first video network voice data packet of a 2001 protocol, call a preset second decoder, decode the first voice data from the video network format to the IP network format, and generate a second IP voice data packet according to the TCP/IP protocol.

Step 806, the second coordination transfer server sends the second IP voice data packet to the second relay station in the IP network, so as to decode the first voice data into the first voice signal and forward the first voice signal to the second intercom for playing.

And the second cooperation transfer server sends the second IP voice data packet to a second transfer station through a network card of the IP network.

The second relay station extracts the first voice data from the second IP voice data packet, decodes the digital signal in the format of AMBE and the like into a first voice signal of an analog signal, and sends the first voice signal to the second interphone.

The second interphone plays the first voice signal to realize the speaking with the first interphone.

Referring to fig. 9, a flowchart illustrating steps of another intercom communication method according to an embodiment of the present invention is shown, which may specifically include the following steps:

step 901, the second collaboration server receives a third IP voice data packet sent by the second relay station in the IP network.

In the embodiment of the invention, the user presses the talkback button in the second interphone and speaks to generate a second voice signal which is sent to the second relay station.

The second relay station encodes the second voice signal from the analog signal into a digital signal in AMBE format, that is, second voice data, generates a third IP voice data packet of TCP/IP protocol, and transmits the third IP voice data packet to the second relay server.

And the second co-transfer server receives a third IP voice data packet of the second transfer station through the network card of the IP network.

And the third IP voice data packet comprises second voice data obtained by coding a second voice signal of the second interphone.

Step 902, the second protocol conversion server performs protocol conversion from the IP network to the video network on the third IP voice data packet to obtain a second video-internet voice data packet.

In the second protocol conversion server, the second virtual video network terminal or other module extracts the second voice data from the third IP voice data packet, calls a preset second encoder, encodes the second voice data from the IP network format to the video network format, and generates a second video network voice data packet according to the 2001 protocol.

Step 903, the second virtual internet of vision network terminal sends the second internet of vision voice data packet to the second protocol conversion server in the internet of vision network.

In the second protocol conversion server, the second virtual video network terminal sends the second video network voice data packet of the 2001 protocol to the video network server through the network card of the video network so as to send the second video network voice data packet to the first virtual video network terminal.

Step 904, the first virtual video network terminal of the first protocol conversion server receives the second video network voice data packet sent by the video network server according to the downlink communication link configured for the first protocol conversion server in the video network.

The video network server sends a second video networking voice data packet of the 2001 protocol of a second virtual video networking terminal to a first protocol conversion server (a first virtual video networking terminal) according to a downlink communication link configured by the first protocol conversion server (the first virtual video networking terminal).

In the first protocol conversion server, the first virtual video network terminal receives a second video network voice data packet of 2001 protocol sent by the video network server through a network card of the video network.

Step 905, the first protocol conversion server performs protocol conversion from the video network to the IP network on the second video-internet voice data packet, so as to obtain a fourth IP voice data packet.

In the first protocol conversion server, a first virtual video network terminal or other modules extract second voice data from a second video network voice data packet of a 2001 protocol, a preset first decoder is called, the second voice data is decoded into a format of an IP network from the format of the video network, and a fourth IP voice data packet is generated according to a TCP/IP protocol.

Step 906, the first coordination transfer server sends the fourth IP voice data packet to the first relay station in the IP network, so as to decode the second voice data into the second voice signal and forward the second voice signal to the first interphone for playing.

And the first co-rotation server sends the fourth IP voice data packet to the first transfer station through the network card of the IP network.

The first transfer station extracts the second voice data from the fourth IP voice data packet, decodes the digital signal in the format of AMBE or the like into a second voice signal of an analog signal, and sends the second voice signal to the first interphone.

The first interphone plays the second voice signal to realize the speaking with the second interphone.

Referring to fig. 10, a flowchart illustrating steps of another intercom communication method according to an embodiment of the present invention is shown, which may specifically include the following steps:

step 1001, the first protocol conversion server receives, in the IP network, a hang-up request encapsulated by the first relay station for the hang-up signal of the first intercom, and performs protocol conversion from the IP network to the video network.

And the user hangs up the call to the second interphone in the first interphone, and the first interphone generates a hang-up signal and sends the hang-up signal to the first communication station.

The first communication station converts the hang-up signal from an analog signal into a digital signal, encapsulates the hang-up signal into a hang-up Request Hangup Request according to a TCP/IP protocol, and sends the hang-up Request to the first protocol conversion server.

The first protocol conversion server receives a hang-up Request Handup Request of a TCP/IP protocol through a network card of an IP network.

In the first protocol conversion server, the first virtual video network terminal or other modules convert the hanging up Request Handup Request of the TCP/IP protocol into the hanging up Request Handup Request of the 8e01 protocol of the video network.

Step 1002, the first virtual video network terminal sends the hang-up request to the video network server in the video network by the first coordination server.

In the first protocol conversion server, the first virtual internet-of-view terminal sends a Hangup Request Handup Request of an 8e01 protocol to the internet-of-view server through a network card of the internet-of-view, so as to forward the Hangup Request to the second virtual internet-of-view terminal.

Step 1003, the second virtual video network terminal receives a hang-up request sent by the video network server according to the downlink communication link configured for the second protocol conversion server in the video network, and performs protocol conversion from the video network to the IP network.

The visual networking server converts the hanging-up Request Handup Request of the 8e01 protocol of the first virtual visual networking terminal into the hanging-up Request Handup Request of the 8e02 protocol, and sends the hanging-up Request Handup Request of the 8e02 protocol to a second protocol server (a second virtual visual networking terminal) according to a downlink communication link configured by the second protocol server (the second virtual visual networking terminal).

In the second protocol conversion server, the second virtual internet of view terminal receives the Hangup Request of 8e02 protocol sent by the internet of view server through the network card of the internet of view, and converts the Hangup Request into a TCP/IP protocol.

Step 1004, the second coordination transfer server sends the hang-up request to the second relay station in the IP network, so as to extract the hang-up signal and send the hang-up signal to the second intercom.

And in the second protocol conversion server, sending a Hangup Request Handup Request of the TCP/IP protocol to a second transfer station through a network card of an IP network.

And extracting the hang-up signal from a hang-up Request Handup Request of a TCP/IP protocol in the second relay station, converting the hang-up signal from a digital signal into an analog signal and sending the analog signal to the second interphone.

Step 1005, the second protocol conversion server receives the hang-up response of the second relay station to the second response signal package of the second intercom in the IP network, and performs protocol conversion from the IP network to the video network.

The second interphone carries out corresponding processing on the hang-up signal, the first interphone initiates hang-up on the second interphone, and the second interphone can generate a second response signal aiming at the hang-up signal and sends the second response signal to the second relay station.

The second relay station converts the second response signal from an analog signal into a digital signal, encapsulates the second response signal into a hang-up response according to a TCP/IP protocol, and sends the hang-up response to the second relay station.

And the second protocol conversion server receives hang-up response Handup response of the TCP/IP protocol through a network card of the IP network.

In the second protocol conversion server, the second virtual visual network terminal or other modules convert the hang-up response Handup response of the TCP/IP protocol into the hang-up response Handup response of the 8e01 protocol of the visual network.

Step 1006, the second virtual video network terminal hangs up the call and sends the call to the video network server in the video network by the second coordination server.

In the second coordination server, the second virtual internet-of-view terminal sends a Hangup response of 8e01 protocol to the internet-of-view server through the network card of the internet-of-view for forwarding to the first virtual internet-of-view terminal.

Step 1007, the first protocol conversion server receives, by the first virtual video network terminal, a hang-up response sent by the video network server according to the downlink communication link configured to the first protocol conversion server in the video network, and performs protocol conversion from the IP network to the video network.

The on-screen server converts the hang-up response Handup response of the 8e01 protocol of the second virtual on-screen terminal into the hang-up response Handup response of the 8e02 protocol, and sends the hang-up response of the 8e02 protocol to the first protocol server (the first virtual on-screen terminal) according to the downlink communication link configured by the first protocol server (the first virtual on-screen terminal).

In the first coordination server, the first virtual internet of things terminal receives a hang-up response Handup response of 8e02 protocol sent by the internet of things server through a network card of the internet of things, and converts the hang-up response into a hang-up response of TCP/IP protocol.

Step 1008, the first coordination server sends the hang-up response to the first relay station in the IP network to extract the second response signal and send the second response signal to the first intercom.

And in the first protocol conversion server, sending a hang-up response Handup response of the TCP/IP protocol to the first communication station through a network card of the IP network.

And extracting a second response signal from a hang-up response Handup response of a TCP/IP protocol in the first communication station, converting the second response signal from a digital signal into an analog signal, and sending the analog signal to the first interphone.

Step 1009, the first protocol conversion server receives, in the IP network, a hang-up response acknowledgement encapsulated by the first relay station for the hang-up response signal of the first intercom, and performs protocol conversion from the IP network to the video network.

And the first interphone carries out corresponding processing on the second response signal to realize the hang-up response of the second interphone to the first interphone, and the first interphone can generate a hang-up confirmation signal aiming at the second response signal and sends the hang-up confirmation signal to the first communication station.

The first communication station converts the hang-up confirmation signal from an analog signal into a digital signal, encapsulates the hang-up signal into a hang-up response confirmation Hangup response Ack according to a TCP/IP protocol, and sends the hang-up response Ack to the first coordination server.

The first cooperation server receives the hang-up response of the TCP/IP protocol to confirm the Handup response Ack through the network card of the IP network.

At the first coordination server, the first virtual internet of things terminal or other module converts the hang response acknowledgement Handgup response Ack of the TCP/IP protocol into the hang response acknowledgement Handgup response Ack of the 8e01 protocol of the internet of things.

Step 1010, the first coordination server sends the hang-up response acknowledgement to the video network server by the first virtual video network terminal in the video network.

In the first coordination server, the first virtual internet of vision terminal sends the hang-up response acknowledgement of the 8e01 protocol to the internet of vision server through the network card of the internet of vision for forwarding to the second virtual internet of vision terminal.

And step 1011, the second virtual video network terminal of the second protocol conversion server receives a hang-up response acknowledgement sent by the video network server according to the downlink communication link configured to the second protocol conversion server in the video network, and performs protocol conversion from the video network to the IP network.

The visual networking server confirms the Handgup response Ack according to the 8e01 protocol of the first virtual visual networking terminal, converts the Handgup response Ack into the hanging response acknowledgement Handgup response Ack according to the 8e02 protocol, and sends the hanging response acknowledgement Handgup response Ack according to the 8e02 protocol to the second protocol server (second virtual visual networking terminal) according to the downlink communication link configured by the second protocol server (second virtual visual networking terminal).

In the second coordination server, the second virtual internet of view terminal receives the hang-up response acknowledgement handle response of 8e02 protocol sent by the internet of view server through the network card of the internet of view, and converts the hang-up response acknowledgement handle response acknowledgement into a hang-up response acknowledgement handle response of the TCP/IP protocol.

Step 1012, the second coordination server sends the hang-up response acknowledgement to the second relay station in the IP network, so as to extract the hang-up acknowledgement signal and send it to the second intercom.

And in the second cooperation server, the hang-up response confirmation Handup response Ack of the TCP/IP protocol is sent to the second relay station through the network card of the IP network.

The second relay station extracts the hang-up acknowledge signal from the hang-up response acknowledge message of the TCP/IP protocol, converts the hang-up acknowledge signal from a digital signal to an analog signal, and transmits the analog signal to the second intercom.

The second interphone carries out corresponding processing on the hang-up signal, confirmation of response initiated by the first interphone to the second interphone is achieved, and therefore the communication link between the first interphone and the second interphone is disconnected in the IP network and the video network.

Referring to fig. 11, a flowchart illustrating steps of another intercom communication method according to an embodiment of the present invention is shown, which may specifically include the following steps:

step 1101, in the video network, the first virtual video network terminal of the first protocol conversion server receives a first code closing instruction sent by the video network server according to a downlink communication link configured to the first protocol conversion server.

Step 1102, the first cooperative server turns off a preset first encoder according to the first encoding turning-off instruction.

Step 1103, the first virtual video network terminal of the first protocol conversion server receives, in the video network, a first decoding shutdown instruction sent by the video network server according to the downlink communication link configured to the first protocol conversion server.

In step 1104, the first cooperative conversion server turns off a preset first decoder according to the first decoding turn-off instruction.

If the communication link between the first interphone and the second interphone is closed in the IP network and the video network, the video network server may generate 8704 protocol first encoding Close instruction Close Encode and first decoding Close instruction Close Decode, and send the instructions to the first protocol server according to the downlink communication link configured to the first protocol server.

In the first protocol conversion server, a first encoding Close instruction Close Encode and a first decoding Close instruction Close Decode of a 8704 protocol of the video network server are received through a network card of the video network, and a first encoder and a first decoder are closed according to the first encoding Close instruction Close Encode and the first decoding Close instruction Close Decode.

Step 1105, the second virtual video network terminal receives, in the video network, a second code closing instruction sent by the video network server according to the downlink communication link configured to the second protocol server by the second protocol server.

In step 1106, the second cooperative server turns off the preset second encoder according to the second encoding turning-off instruction.

Step 1107, the second virtual video network terminal receives, in the video network, a second decoding closing instruction sent by the video network server according to the downlink communication link configured to the second coordination server by the second coordination server.

In step 1108, the second coordination server turns off the preset second decoder according to the second decoding turn-off instruction.

If a communication link between the first interphone and the second interphone is established in the IP network and the video network, the video network server may generate a 8704 protocol second encoding Close instruction Close Encode and a second decoding Close instruction Close Decode, and send the generated instructions to the second protocol server according to a downlink communication link configured to the second protocol server.

In the second protocol conversion server, a second encoding Close instruction Close Encode and a second decoding Close instruction Close Decode of a 8704 protocol of the video network server are received through a network card of the video network, and a second encoder and a second decoder are closed according to the second encoding Close instruction Close Encode and the second decoding Close instruction Close Decode.

It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.

Referring to fig. 12, a block diagram of a communication system of an intercom of an embodiment of the present invention is shown, in which a first collaboration server 1210 and a second collaboration server 1220 simultaneously access an IP network and a video network, in the IP network, the first collaboration server 1210 is connected to a first beacon station, the first beacon station is connected to a first intercom, the second collaboration server 1220 is connected to a second beacon station, the second intercom station is connected to a second intercom, in the video network, a first virtual video network terminal is created in the first collaboration server 1210, a second virtual video network terminal is created in the second collaboration server 1220, and the first virtual video network terminal and the second virtual video network terminal access the video network server;

the first collaboration server 1210 includes:

a first IP voice packet receiving module 1211, configured to receive, in the IP network, a first IP voice packet sent by the first relay station, where the first IP voice packet includes first voice data obtained by encoding a first voice signal of the first intercom;

a first protocol conversion module 1212, configured to perform protocol conversion from the IP network to the video network on the first IP voice data packet, to obtain a first video-internet voice data packet;

a first video networking voice data packet sending module 1213, configured to send, by the first virtual video networking terminal, the first video networking voice data packet to the video networking server in the video networking;

the second collaboration server 1220 includes:

a first video networking voice data packet receiving module 1221, configured to receive, by the second virtual video networking terminal, the first video networking voice data packet sent by the video networking server according to the downlink communication link configured for the second protocol conversion server in the video networking;

a second protocol conversion module 1222, configured to perform protocol conversion from the video network to the IP network on the first video-internet voice data packet, so as to obtain a second IP voice data packet;

a second IP voice data packet sending module 1223, configured to send, in the IP network, the second IP voice data packet to the second relay station, so as to decode the first voice data into the first voice signal and forward the first voice signal to the second interphone for playing.

In an embodiment of the present invention, the second collaboration server 1220 further includes:

a third IP voice data packet receiving module, configured to receive, in the IP network, a third IP voice data packet sent by the second relay station, where the third IP voice data packet includes second voice data obtained by encoding a second voice signal of the second intercom;

the third protocol conversion module is used for carrying out protocol conversion from the IP network to the video network on the third IP voice data packet to obtain a second video-internet voice data packet;

the second virtual video network terminal is used for sending the second video network voice data packet to the video network server;

the first collaboration server 1210 further comprises:

a second video-networking voice data packet receiving module, configured to receive, by the first virtual video-networking terminal, the second video-networking voice data packet sent by the video-networking server according to the downlink communication link configured to the first protocol conversion server in the video-networking;

the fourth protocol conversion module is used for performing protocol conversion from the video network to the IP network on the second video-internet voice data packet to obtain a fourth IP voice data packet;

and the fourth IP voice data packet sending module is used for sending the fourth IP voice data packet to the first communication station in the IP network so as to decode the second voice data into the second voice signal and forward the second voice signal to the first interphone for playing.

In an embodiment of the present invention, the first transfer server 1210 further includes a first call request receiving module, a first call request sending module, a second call response receiving module, a second call response sending module, a first call response acknowledgement receiving module, and a first call response acknowledgement sending module, and the second transfer server 1220 further includes a second call request receiving module, a second call request sending module, a first call response receiving module, a first call response sending module, a second call response acknowledgement receiving module, and a second call response acknowledgement sending module;

a first call request receiving module, configured to receive, in the IP network, a call request encapsulated by the first relay station for a call signal of the first intercom, and perform protocol conversion from the IP network to the video network;

the first call request sending module is used for sending the call request to the video network server by the first virtual video network terminal in the video network;

a second call request receiving module, configured to receive, by the second virtual video network terminal, a call request sent by the video network server according to a downlink communication link configured to the second protocol conversion server in the video network, and perform protocol conversion from the video network to the IP network;

a second call request sending module, configured to send the call request to the second relay station in the IP network, so as to extract the call signal and send the call signal to the second intercom;

a first call response receiving module, configured to receive, in the IP network, a call response encapsulated by the second relay station for the first response signal of the second intercom, and perform protocol conversion from the IP network to the video network;

the first call response sending module is used for sending the call response to the video network server by the second virtual video network terminal in the video network;

a second call response receiving module, configured to receive, by the first virtual video network terminal, a call response sent by the video network server according to the downlink communication link configured to the first protocol conversion server in the video network, and perform protocol conversion from the IP network to the video network;

a second call response sending module, configured to send the call response to the first relay station in the IP network, so as to extract the first response signal and send the first response signal to the first intercom;

a first call response acknowledgement receiving module, configured to receive, in the IP network, a call response acknowledgement encapsulated by the first relay station for the call acknowledgement signal of the first intercom, and perform protocol conversion from the IP network to the video network;

the first call response confirmation sending module is used for sending the call response confirmation to the video network server by the first virtual video network terminal in the video network;

a second call response acknowledgement receiving module, configured to receive, by the second virtual video network terminal, a call response acknowledgement sent by the video network server according to the downlink communication link configured to the second protocol conversion server in the video network, and perform protocol conversion from the video network to the IP network;

and the second call response confirmation sending module is used for sending the call response confirmation to the second relay station in the IP network so as to extract the call confirmation signal and send the call confirmation signal to the second interphone.

In one embodiment of the present invention, the first collaboration server 1210 further comprises:

a first coding opening instruction receiving module, configured to receive, by the first virtual video networking terminal, a first coding opening instruction sent by the video networking server according to a downlink communication link configured for the first protocol conversion server in the video networking;

a first encoder starting module, configured to start a preset first encoder according to the first encoding starting instruction, where the first encoder is configured to encode voice data of the IP network into voice data of the video network;

a first decoding start instruction receiving module, configured to receive, by the first virtual video networking terminal, a first decoding start instruction sent by the video networking server according to a downlink communication link configured to the first protocol conversion server in the video networking;

a first decoder starting module, configured to start a preset first decoder according to the first decoding starting instruction, where the first decoder is configured to decode voice data of the video network into voice data of the IP network;

the second coordination server 1220 further includes:

a second coding start instruction receiving module, configured to receive, by the second virtual video network terminal, a second coding start instruction sent by the video network server according to a downlink communication link configured for the second protocol conversion server in the video network;

a second encoder starting module, configured to start a preset second encoder according to the second encoding starting instruction, where the second encoder is configured to encode the voice data of the IP network into the voice data of the video network;

a second decoding start instruction receiving module, configured to receive, by the second virtual video network terminal, a second decoding start instruction sent by the video network server according to the downlink communication link configured for the second protocol server in the video network;

and the second decoder starting module is used for starting a preset second decoder according to the second decoding starting instruction, and the second decoder is used for decoding the voice data of the video network into the voice data of the IP network.

In an embodiment of the present invention, the first coordination server 1210 further includes a first hang-up request receiving module, a first hang-up request sending module, a second hang-up response receiving module, a second hang-up response sending module, a first hang-up response acknowledgement receiving module, and a first hang-up response acknowledgement sending module, and the second coordination server 1220 further includes a second hang-up request receiving module, a second hang-up request sending module, a first hang-up response receiving module, a first hang-up response sending module, a second hang-up response acknowledgement receiving module, and a second hang-up response acknowledgement sending module;

a first hang-up request receiving module, configured to receive, in the IP network, a hang-up request encapsulated by the first relay station for the hang-up signal of the first intercom, and perform protocol conversion from the IP network to the video network;

the first hang-up request sending module is used for sending the hang-up request to the video network server by the first virtual video network terminal in the video network;

a second hang-up request receiving module, configured to receive, by the second virtual video networking terminal, a hang-up request sent by the video networking server according to a downlink communication link configured to the second protocol conversion server in the video networking, and perform protocol conversion from the video networking to the IP network;

a second hang-up request sending module, configured to send the hang-up request to the second relay station in the IP network, so as to extract the hang-up signal and send the hang-up signal to the second intercom;

a first hang-up response receiving module, configured to receive, in the IP network, a hang-up response encapsulated by the second relay station for a second response signal of the second intercom, and perform protocol conversion from the IP network to the video network;

the first hang-up response sending module is used for sending the call hang-up to the video networking server by the second virtual video networking terminal in the video networking;

a second hang-up response receiving module, configured to receive, by the first virtual video networking terminal, a hang-up response sent by the video networking server according to the downlink communication link configured to the first protocol conversion server in the video networking, and perform protocol conversion from the IP network to the video networking;

a second hang-up response sending module, configured to send the hang-up response to the first relay station in the IP network, so as to extract the second response signal and send the second response signal to the first intercom;

a first hang-up response acknowledgement receiving module, configured to receive, in the IP network, a hang-up response acknowledgement encapsulated by the first relay station for the hang-up response signal of the first intercom, and perform protocol conversion from the IP network to the video network;

the first hang-up response confirmation sending module is used for sending the hang-up response confirmation to the video networking server by the first virtual video networking terminal in the video networking;

a second hang-up response acknowledgement receiving module, configured to receive, by the second virtual video networking terminal, a hang-up response acknowledgement sent by the video networking server according to a downlink communication link configured to the second protocol conversion server in the video networking, and perform protocol conversion from the video networking to the IP network;

and the second hang-up response confirmation sending module is used for sending the hang-up response confirmation to the second relay station in the IP network so as to extract the hang-up confirmation signal and send the hang-up confirmation signal to the second interphone.

a first code closing instruction receiving module, configured to receive, by the first virtual video networking terminal, a first code closing instruction sent by the video networking server according to a downlink communication link configured to the first protocol server in the video networking;

a first encoder closing module, configured to close a preset first encoder according to the first encoding closing instruction, where the first encoder is configured to encode voice data of the IP network into voice data of the video network;

a first decoding closing instruction receiving module, configured to receive, by the first virtual video networking terminal, a first decoding closing instruction sent by the video networking server according to a downlink communication link configured to the first protocol conversion server in the video networking;

a first decoder closing module, configured to close a preset first decoder according to the first decoding closing instruction, where the first decoder is configured to decode the voice data of the video network into the voice data of the IP network;

the second coordination server 1220 further includes:

a second code closing instruction receiving module, configured to receive, by the second virtual video networking terminal, a second code closing instruction sent by the video networking server according to a downlink communication link configured to the second protocol server in the video networking;

a second encoder closing module, configured to close a preset second encoder according to the second encoding closing instruction, where the second encoder is configured to encode the voice data of the IP network into the voice data of the video network;

a second decoding closing instruction receiving module, configured to receive, by the second virtual video networking terminal, a second decoding closing instruction sent by the video networking server according to the downlink communication link configured to the second protocol server in the video networking;

and the second decoder closing module is used for closing a preset second decoder according to the second decoding closing instruction, and the second decoder is used for decoding the voice data of the video network into the voice data of the IP network.

For the system embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.

The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

Claims

1. A communication method of an interphone is characterized in that a first protocol conversion server and a second protocol conversion server are simultaneously accessed into an IP network and a video network, in the IP network, the first protocol conversion server is connected with a first communication station, the first communication station is connected with a first interphone, the second protocol conversion server is connected with a second communication station, the second communication station is connected with a second interphone, in the video network, a first virtual video network terminal is established in the first protocol conversion server, a second virtual video network terminal is established in the second protocol conversion server, and the first virtual video network terminal and the second virtual video network terminal are accessed into the video network server, and the method comprises the following steps:

the second protocol conversion server sends the second IP voice data packet to the second relay station in the IP network so as to decode the first voice data into the first voice signal and transmit the first voice signal to the second interphone for playing;

the method comprises the steps that a first protocol conversion server receives a first coding starting instruction sent by the video networking server according to a downlink communication link configured for the first protocol conversion server in the video networking through a first virtual video networking terminal;

the first protocol conversion server starts a preset first encoder according to the first encoding starting instruction, wherein the first encoder is used for encoding the voice data of the IP network into the voice data of the video network;

the method comprises the steps that a first protocol conversion server receives a first decoding starting instruction sent by the video networking server according to a downlink communication link configured for the first protocol conversion server in the video networking by a first virtual video networking terminal;

the first protocol conversion server starts a preset first decoder according to the first decoding starting instruction, wherein the first decoder is used for decoding the voice data of the video network into the voice data of the IP network;

the second protocol conversion server is in the video network, and the second virtual video network terminal receives a second coding starting instruction sent by the video network server according to a downlink communication link configured for the second protocol conversion server;

the second protocol conversion server starts a preset second encoder according to the second encoding starting instruction, wherein the second encoder is used for encoding the voice data of the IP network into the voice data of the video network;

the second virtual video network terminal receives a second decoding starting instruction sent by the video network server according to a downlink communication link configured for the second protocol conversion server in the video network;

and the second coordination server starts a preset second decoder according to the second decoding starting instruction, wherein the second decoder is used for decoding the voice data of the video network into the voice data of the IP network.

2. The method of claim 1, further comprising:

the second protocol conversion server receives a third IP voice data packet sent by the second relay station in the IP network, wherein the third IP voice data packet comprises second voice data obtained by coding a second voice signal of the second interphone;

the second protocol conversion server carries out protocol conversion from the IP network to the video network on the third IP voice data packet to obtain a second video-connected voice data packet;

the second virtual video network terminal sends the second video network voice data packet to the video network server;

the first virtual video network terminal receives the second video network voice data packet sent by the video network server according to the downlink communication link configured for the first protocol conversion server in the video network by the first protocol conversion server;

the first protocol conversion server carries out protocol conversion from the video network to the IP network on the second video-internet voice data packet to obtain a fourth IP voice data packet;

and the first coordination transfer server sends the fourth IP voice data packet to the first signal conversion station in the IP network so as to decode the second voice data into the second voice signal and transmit the second voice signal to the first interphone for playing.

3. The method of claim 1 or 2, further comprising:

the first protocol conversion server receives a call request packaged by the first communication station aiming at the call signal of the first interphone in the IP network, and carries out protocol conversion from the IP network to the video network;

the first coordination server sends the call request to the video network server by the first virtual video network terminal in the video network;

the second protocol conversion server receives a call request sent by the video network server according to a downlink communication link configured for the second protocol conversion server in the video network through the second virtual video network terminal, and performs protocol conversion from the video network to the IP network;

the second coordination transfer server sends the call request to the second relay station in the IP network so as to extract the call signal and send the call signal to the second interphone;

the second protocol conversion server receives a call response packaged by the second relay station aiming at the first response signal of the second interphone in the IP network, and performs protocol conversion from the IP network to the video network;

the second coordination server sends the call response to the video network server by the second virtual video network terminal in the video network;

the first protocol conversion server receives a call response sent by the video network server according to a downlink communication link configured for the first protocol conversion server in the video network through the first virtual video network terminal, and performs protocol conversion from the IP network to the video network;

the first coordination server sends the call response to the first transfer station in the IP network so as to extract the first response signal and send the first response signal to the first interphone;

the first protocol conversion server receives a call response confirmation packaged by the first transfer station aiming at the call confirmation signal of the first interphone in the IP network, and performs protocol conversion from the IP network to the video network;

the first coordination server sends the call response confirmation to the video network server by the first virtual video network terminal in the video network;

the second protocol conversion server receives a call response confirmation sent by the video network server according to a downlink communication link configured to the second protocol conversion server in the video network by the second virtual video network terminal, and performs protocol conversion from the video network to the IP network;

and the second coordination server sends the call response confirmation to the second relay station in the IP network so as to extract the call confirmation signal and send the call confirmation signal to the second interphone.

4. The method of claim 1 or 2, further comprising:

the first protocol conversion server receives a hang-up request packaged by the first communication station aiming at the hang-up signal of the first interphone in the IP network, and carries out protocol conversion from the IP network to the video network;

the first coordination server sends the hang-up request to the video networking server by the first virtual video networking terminal in the video networking;

the second protocol conversion server receives a hang-up request sent by the video network server according to a downlink communication link configured for the second protocol conversion server in the video network by the second virtual video network terminal, and performs protocol conversion from the video network to the IP network;

the second coordination transfer server sends the hang-up request to the second relay station in the IP network so as to extract the hang-up signal and send the hang-up signal to the second interphone;

the second protocol conversion server receives a hang-up response packaged by the second relay station aiming at a second response signal of the second interphone in the IP network, and performs protocol conversion from the IP network to the video network;

the second virtual video network terminal sends the hang-up response to the video network server in the video network by the second coordination server;

the first protocol conversion server receives a hang-up response sent by the video network server according to a downlink communication link configured for the first protocol conversion server in the video network through the first virtual video network terminal, and performs protocol conversion from the IP network to the video network;

the first coordination transfer server sends the hang-up response to the first transfer station in the IP network so as to extract the second response signal and send the second response signal to the first interphone;

the first protocol conversion server receives hang-up response confirmation packaged by the first transfer station aiming at the hang-up response signal of the first interphone in the IP network, and performs protocol conversion from the IP network to the video network;

the first coordination server sends the hang-up response confirmation to the video networking server by the first virtual video networking terminal in the video networking;

the second protocol conversion server receives a hang-up response confirmation sent by the video network server according to a downlink communication link configured to the second protocol conversion server in the video network by the second virtual video network terminal, and performs protocol conversion from the video network to the IP network;

and the second coordination transfer server sends the hang-up response confirmation to the second relay station in the IP network so as to extract a hang-up confirmation signal and send the hang-up confirmation signal to the second interphone.

5. The method of claim 4, further comprising:

the method comprises the steps that a first protocol conversion server receives a first coding closing instruction sent by the video networking server according to a downlink communication link configured for the first protocol conversion server in the video networking through a first virtual video networking terminal;

the first protocol conversion server closes a preset first encoder according to the first encoding closing instruction, wherein the first encoder is used for encoding the voice data of the IP network into the voice data of the video network;

the method comprises the steps that a first protocol conversion server receives a first decoding closing instruction sent by the video networking server according to a downlink communication link configured for the first protocol conversion server in the video networking by a first virtual video networking terminal;

the first protocol conversion server closes a preset first decoder according to the first decoding closing instruction, wherein the first decoder is used for decoding the voice data of the video network into the voice data of the IP network;

the second protocol conversion server receives a second coding closing instruction sent by the video network server according to a downlink communication link configured for the second protocol conversion server by the second virtual video network terminal in the video network;

the second protocol conversion server closes a preset second encoder according to the second encoding closing instruction, wherein the second encoder is used for encoding the voice data of the IP network into the voice data of the video network;

the second protocol conversion server receives a second decoding closing instruction sent by the video network server according to a downlink communication link configured for the second protocol conversion server by the second virtual video network terminal in the video network;

and the second coordination server closes a preset second decoder according to the second decoding closing instruction, wherein the second decoder is used for decoding the voice data of the video network into the voice data of the IP network.

6. A communication system of an interphone is characterized in that a first protocol conversion server and a second protocol conversion server are simultaneously accessed into an IP network and a video network, in the IP network, the first protocol conversion server is connected with a first communication station, the first communication station is connected with a first interphone, the second protocol conversion server is connected with a second communication station, the second communication station is connected with a second interphone, in the video network, a first virtual video network terminal is established in the first protocol conversion server, a second virtual video network terminal is established in the second protocol conversion server, and the first virtual video network terminal and the second virtual video network terminal are accessed into the video network server;

the first collaboration server comprises:

the second collaboration server comprises:

a second IP voice data packet sending module, configured to send the second IP voice data packet to the second relay station in the IP network, so as to decode the first voice data into the first voice signal and forward the first voice signal to the second interphone for playing;

the first collaboration server further comprises:

a first coding opening instruction receiving module, configured to receive, by the first virtual video network terminal in the video network, a first coding opening instruction sent by the video network server according to a downlink communication link configured for the first protocol conversion server;

the second collaboration server further comprises:

a second coding opening instruction receiving module, configured to receive, by the second virtual video networking terminal, a second coding opening instruction sent by the video networking server according to a downlink communication link configured for the second protocol server in the video networking;

a second decoding start instruction receiving module, configured to receive, by the second virtual video networking terminal, a second decoding start instruction sent by the video networking server according to a downlink communication link configured to the second protocol server in the video networking;

7. The system of claim 6,

the second collaboration server further comprises:

the first collaboration server further comprises:

8. The system according to claim 6 or 7, wherein the first forwarding server further comprises a first call request receiving module, a first call request sending module, a second call response receiving module, a second call response sending module, a first call response acknowledgement receiving module, and a first call response acknowledgement sending module, and the second forwarding server further comprises a second call request receiving module, a second call request sending module, a first call response receiving module, a first call response sending module, a second call response acknowledgement receiving module, and a second call response acknowledgement sending module;