CN105681289A - SIP-based intelligent terminal cluster intercom system - Google Patents

SIP-based intelligent terminal cluster intercom system Download PDF

Info

Publication number
CN105681289A
CN105681289A CN201610005985.6A CN201610005985A CN105681289A CN 105681289 A CN105681289 A CN 105681289A CN 201610005985 A CN201610005985 A CN 201610005985A CN 105681289 A CN105681289 A CN 105681289A
Authority
CN
China
Prior art keywords
intelligent terminal
module
terminal
networking
sip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610005985.6A
Other languages
Chinese (zh)
Inventor
刘胜美
刘红莲
孙磊
刘天宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Post and Telecommunication University
Nanjing University of Posts and Telecommunications
Original Assignee
Nanjing Post and Telecommunication University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Post and Telecommunication University filed Critical Nanjing Post and Telecommunication University
Priority to CN201610005985.6A priority Critical patent/CN105681289A/en
Publication of CN105681289A publication Critical patent/CN105681289A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1073Registration or de-registration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066Session management
    • H04L65/1101Session protocols
    • H04L65/1104Session initiation protocol [SIP]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • H04L67/1044Group management mechanisms 
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/08Trunked mobile radio systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks
    • H04W84/12WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The invention discloses a SIP-based intelligent terminal cluster intercom system, and the system comprises at least two intelligent terminals, wherein the intelligent terminal comprises a wireless communication module, a SIP service management module, an intercom module, a database management module and a user monitoring module; one intelligent terminal is selected discretionarily as a networking terminal, and the other intelligent terminal is used as a non-networking terminal; wherein the wireless communication module provides establishment and connection of a wireless network of an intelligent terminal device; the SIP service management module is used for management of an SIP session; the intercom module provides cluster intercom of users in a local area network; the user monitoring module is used for monitoring electric quantity of the intelligent terminals in the local area network and network state information; and the intelligent terminal further comprises a position location module for locating geographical position information of the users in the same networking. With the system provided by the invention, transplanting of functions of an SIP server to the intelligent terminals is realized, and a property of being liable to consume power of a mobile device is considered fully, a self-organization function of network connection of the mobile devices in the local area network is realized.

Description

A kind of intelligent terminal's cluster intercom system based on SIP
Technical field
The present invention relates to the technical field of radio communication, particularly a kind of intelligent terminal's cluster intercom system based on SIP.
Background technology
At present, wireless communication technology is along with the growth in the living standard development of the mankind. And also begin to evolve along with the fast development of smart mobile phone, communication mode and service for life, become lighter, low cost and intellectuality. VoIP(voiceoverInternetprotocol, IP phone) this by analog signal digital and data are packaged on the Internet of global interconnection the communication mode of transmission in real time obtain accreditation gradually, the agreement on the various VoIP of being applied in also obtain quick development. Current most popular voip signaling protocol is Session Initiation Protocol (SessionInitializationProtocol). Session Initiation Protocol is a signaling control protocol based on the IP application layer of text code, is mainly used in creating, revising and discharge the session of one or more participant. In recent years, have benefited from simple, flexible, open, be prone to the advantage SIP such as extension and obtain and be increasingly widely applied. And intelligent terminal platform is by powerful function, good interface, widely business support. Become one of current most popular mobile phone operating system. Although achieving a lot of cluster intercommunication function on intelligent terminal at present, but all there is problems with and deficiency in general:
1. system generally includes wireless subsystem, scheduler subsystem, interconnection subsystem three parts, and every part includes again respective component devices, and therefore network struction is complicated, maintenance cost is high;
2. smart machine power consumption is fast, if electricity can not get supplementing timely during networking, cluster intercom system then can not use for a long time;
3. affected by environment greatly, at the not so good field of wireless signal or burst scene, it is difficult to use;
4. existing intelligent terminal intercom system is strong to remote service dependency, and network is affected greatly by communication environment and in use run into the problem that electricity deficiency logs off.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art to provide a kind of intelligent terminal's cluster intercom system based on SIP, and this system is run on intelligent terminal, adopts distributed type assemblies communication mode, integrates server and client side; Add SIP service management module in systems and be used for managing SIP session, the function of the light database realizing database server in use intelligent terminal, remote server is moved to this locality, reduces the system dependency to other equipment; Realized establishment and the connection of LAN by the wireless communication module of intelligent terminal, and add the user monitoring module electricity for monitoring intelligent terminal in systems, with the self-organizing network function that wireless communication module realizes intelligent terminal.
The present invention solves above-mentioned technical problem by the following technical solutions:
According to a kind of intelligent terminal's cluster intercom system based on SIP that the present invention proposes, including at least two intelligent terminal, wherein, described intelligent terminal includes wireless communication module, SIP service management module, intercommunication module, database management module and user monitoring module; Arbitrarily choosing an intelligent terminal as networking terminal, other intelligent terminal is all as non-networking terminal; Wherein,
Wireless communication module in networking terminal, is used for starting hotspot and sets up WLAN, and receive the connection request of wireless communication module in other intelligent terminal;
SIP service management module in networking terminal, for when there being other intelligent terminal to add this WLAN, randomly generate the username and password of a SIP service, the IP address information of this username and password and this intelligent terminal gets up and registers SIP service, after succeeding in registration, this user name, password and IP address is stored in the database management module in networking terminal;
User monitoring module in networking terminal, for the electricity of the current networking terminal of monitor in real time, if electricity is lower than when presetting minimum electricity threshold values, output detections signal is to the user monitoring module in other non-networking terminal;
User monitoring module in non-networking terminal, for when receiving detection signal, the output of each self-monitoring electricity is stored to database management module, the electricity in user monitoring module reading database management module in networking terminal, and choose the maximum intelligent terminal of electricity as new networking terminal networking again, trigger the SIP service management module of new networking terminal, update the IP address of all intelligent terminal in new network, information about power, username and password;
Intercommunication module, for initiating the SIP service management module that intercommunication asks and pass through wireless communication module to export to networking terminal; SIP service management module receives intercommunication asks and forwards this intercommunication to ask by wireless communication module to other all intelligent terminal, sets up the SIP session connection of all intelligent terminal.
As a kind of intelligent terminal's further prioritization scheme of cluster intercom system based on SIP of the present invention, described intelligent terminal also includes location positioning module and display module; Wherein, location positioning module, for positioning the geographical position of this intelligent terminal, and by this geographical position by the display module in wireless communication module transmission to other intelligent terminal.
As a kind of intelligent terminal's further prioritization scheme of cluster intercom system based on SIP of the present invention, described intercommunication module is to realize intercommunication function by Session Initiation Protocol, it is achieved during cluster intercommunication, and the communication mode of employing is simplex; When realizing an intelligent terminal only with another intelligent terminal's intercommunication, the communication mode of employing is duplex communication.
As a kind of intelligent terminal's further prioritization scheme of cluster intercom system based on SIP of the present invention, Session Initiation Protocol in described intercommunication module realizes being be extended and transplant on the basis of Session Initiation Protocol stack of increasing income, and controls two parts including core protocol stack and signaling.
As a kind of intelligent terminal's further prioritization scheme of cluster intercom system based on SIP of the present invention, when described wireless communication module carries out the transmission of user profile data, Transmission Control Protocol is adopted to be transmitted.
The present invention adopts above technical scheme compared with prior art, has following technical effect that
(1) system adopts distributed type assemblies talkback mode, it is not necessary to private server, and each terminal in network all may act as server capability, and the system that decreases is to the dependency of other equipment and complexity;
(2) when networking equipment electricity deficiency in network being detected, it is possible to select the intelligent terminal that in network, electricity is the highest as new networking equipment again networking, improve system and use time and reliability;
(3) system is lightly convenient, can realize quickly networking when communication environment is poor, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the module diagram of the intelligent terminal in cluster intercom system of the present invention.
Fig. 2 is the interface schematic diagram of the cluster intercom system based on intelligent terminal provided by the invention.
Fig. 3 is the flow chart that the present invention operates.
Fig. 4 is the flow chart of user monitoring module of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is described in further detail:
As it is shown in figure 1, be the module diagram of intelligent terminal in cluster intercom system of the present invention. Including at least two intelligent terminal, wherein, described intelligent terminal includes wireless communication module, SIP service management module, intercommunication module, database management module and user monitoring module; Arbitrarily choosing an intelligent terminal as networking terminal, other intelligent terminal is all as non-networking terminal; Wherein, Fig. 3 is the flow chart that the present invention operates. Specific as follows:
Wireless communication module in networking terminal, is used for starting hotspot and sets up WLAN, and receive the connection request of wireless communication module in other intelligent terminal;
SIP service management module in networking terminal, for when there being other intelligent terminal to add this WLAN, randomly generate the username and password of a SIP service, the IP address information of this username and password and this intelligent terminal gets up and registers SIP service, after succeeding in registration, this user name, password and IP address is stored in the database management module in networking terminal;
User monitoring module in networking terminal, for the electricity of the current networking terminal of monitor in real time, if electricity is lower than when presetting minimum electricity threshold values, output detections signal is to the user monitoring module in other non-networking terminal;
User monitoring module in non-networking terminal, for when receiving detection signal, the output of each self-monitoring electricity is stored to database management module, the electricity in user monitoring module reading database management module in networking terminal, and choose the maximum intelligent terminal of electricity as new networking terminal networking again, trigger the SIP service management module of new networking terminal, update the IP address of all intelligent terminal in new network, information about power, username and password;
Intercommunication module, for initiating the SIP service management module that intercommunication asks and pass through wireless communication module to export to networking terminal; SIP service management module receives intercommunication asks and forwards this intercommunication to ask by wireless communication module to other all intelligent terminal, sets up the SIP session connection of all intelligent terminal.
Described intelligent terminal also includes location positioning module and display module, and display module is not drawn in FIG; Wherein, location positioning module, for positioning the geographical position of this intelligent terminal, and by this geographical position by the display module in wireless communication module transmission to other intelligent terminal.
Database management module is used for storing all user profile such as IP network information, information about power, user's registration information.
When whole system is run, the SIP service management module initialization in networking terminal, manage the SIP service in whole network, other non-networking terminals are connected to networking terminal by wireless communication module and realize SIP intercommunication by intercommunication module.
Wireless communication module is divided into networking function and network connecting function; During first networking, for manual networking, the focus function of the selected manually opened intelligent terminal of networking terminal sets up WLAN. Non-networking terminal manually accesses this network, by broadcasting the IP network information of other-end in network that obtains after successful connection, then set up TCP with other-end and be connected acquisition information about power and geographical location information, and the IP network information of acquisition, information about power, geographical location information are stored in database management module. Again during networking, after user monitoring module in networking terminal chooses networking terminal again, trigger the networking function of wireless communication module in the networking terminal newly chosen, automatically turning on hotspot and set up new network, other non-networking terminals automatically start the network connecting function in wireless communication module and access new network.
Comprising two functions, cluster intercommunication function and good friend's intercommunication function in intercommunication module, the two function all manages module by SIP service and realizes. User initiates cluster intercommunication request, and the SIP service management module in networking terminal receives cluster intercommunication asks and be transmitted to other all terminals in network, and sets up SIP session connection with them, starts cluster intercommunication, and the communication mode of employing is simplex. User initiates good friend's intercommunication request, and the SIP service management module in networking terminal receives this request and is transmitted to appointment good friend, then sets up SIP session connection with requested good friend, starts good friend's intercommunication, and the communication mode of employing is duplex communication.
Session Initiation Protocol in intercommunication module realizes being be extended and transplant on the basis of Session Initiation Protocol stack of increasing income, and controls two parts including core protocol stack and signaling. Wherein core protocol stack is for resolving and generate the datagram meeting SIP and Extended Protocol form thereof; Signaling control part controls the beginning sending reception and SIP session and the end of message for state machine.
Location positioning module starts to position the geographical location information of this intelligent terminal after intelligent terminal accesses network, and timing other intelligent terminal more new location information in network, quickly can show the positional information of all members in network on map when user uses positioning function.
The following is an embodiment of the cluster intercom system based on intelligent terminal:
Select and be mounted with the intelligent terminal A of mobile intelligent terminal system, terminal B, terminal C. Terminal is respectively provided with the function of radio communication, and is respectively mounted this cluster intercom system.
Terminal C is first selected to set up WLAN, start the cluster intercom system in this equipment, triggering the initialization of the SIP service management module of this system, the IP address information of the username and password and terminal C that produce a SIP service gets up and registers SIP service simultaneously.
Terminal A and terminal B is connected the terminal C WLAN set up and forms a self-organizing network with terminal C, terminal A, B are after accessing network, the SIP service management module of terminal C can randomly generate the username and password of two SIP service, according to networking sequencing, the IP address information of the two username and password with A, B access network got up and registers SIP service, after succeeding in registration, this user profile being saved in local database system. Terminal A, B enter main interface after logging in successfully, the wireless communication module of A and B obtains the IP address of other users in LAN by the form broadcasted, and then sets up with other users to be connected and obtains the power state information of each user, geographical location information, user's registration information and be stored in local database system. Then the user monitoring module initialization of A and B, and monitor the information about power of terminal C.
Terminal A enters intercommunication interface such as Fig. 2, pins mike and initiates group call, in LAN terminal B and C all can uppick terminal A transmits from headset voice, put down microphone button after having said and can wind up a speech. And when terminal A, B, C screen locking, can directly initiate calling by volume key; The equipment that shakes when receiving the terminal A calling sent when standby for terminal B, C, to point out user, plays the voice received simultaneously; When being under talking state for terminal B, C to receive the terminal A calling sent, prompt terminal B, C in the way of promoting sound and vibrations, after terminal B, C end of conversation, play the voice calls received.
The user's name of display terminal B and C in terminal A members list in the such as Fig. 2 of intercommunication interface, clicks terminal B and enters the interface with terminal B intercommunication one to one, presses Mike wind direction terminal B and individually initiates calling.
Terminal A is regioselective function in a menu, and the position of all members in LAN (i.e. terminal A, terminal B, terminal C) is shown on map.
The flow chart of user monitoring module is as shown in Figure 4, user monitoring module detects the information about power of current networking equipment (current for terminal C) in real time, when electricity being detected lower than prescribed threshold, all user profile are chosen terminal A that in current network, electricity is the highest as new networking equipment, now the networking function of the wireless communication module of terminal A starts, the hotspot opening terminal A sets up new LAN, the SIP service management module activation of terminal A, terminal B and terminal C connects rule by the network connecting function in wireless communication module according to the network before each terminal and again accesses the network of terminal A, update the IP network information of all devices in new network simultaneously, and electricity monitored object is switched to terminal A.
Specific embodiments described above; the purpose of the present invention, technical scheme and beneficial effect have been carried out further detailed description; it is it should be understood that; the foregoing is only specific embodiments of the present invention; it is not limited to the scope of the present invention; any those skilled in the art, made equivalent variations and amendment under without departing from the design of the present invention and the premise of principle, the scope of protection of the invention all should be belonged to.

Claims (5)

1. the intelligent terminal's cluster intercom system based on SIP, it is characterized in that, including at least two intelligent terminal, wherein, described intelligent terminal includes wireless communication module, SIP service management module, intercommunication module, database management module and user monitoring module; Arbitrarily choosing an intelligent terminal as networking terminal, other intelligent terminal is all as non-networking terminal; Wherein,
Wireless communication module in networking terminal, is used for starting hotspot and sets up WLAN, and receive the connection request of wireless communication module in other intelligent terminal;
SIP service management module in networking terminal, for when there being other intelligent terminal to add this WLAN, randomly generate the username and password of a SIP service, the IP address information of this username and password and this intelligent terminal gets up and registers SIP service, after succeeding in registration, this user name, password and IP address is stored in the database management module in networking terminal;
User monitoring module in networking terminal, for the electricity of the current networking terminal of monitor in real time, if electricity is lower than when presetting minimum electricity threshold values, output detections signal is to the user monitoring module in other non-networking terminal;
User monitoring module in non-networking terminal, for when receiving detection signal, the output of each self-monitoring electricity is stored to database management module, the electricity in user monitoring module reading database management module in networking terminal, and choose the maximum intelligent terminal of electricity as new networking terminal networking again, trigger the SIP service management module of new networking terminal, update the IP address of all intelligent terminal in new network, information about power, username and password;
Intercommunication module, for initiating the SIP service management module that intercommunication asks and pass through wireless communication module to export to networking terminal; SIP service management module receives intercommunication asks and forwards this intercommunication to ask by wireless communication module to other all intelligent terminal, sets up the SIP session connection of all intelligent terminal.
2. a kind of intelligent terminal's cluster intercom system based on SIP according to claim 1, it is characterised in that described intelligent terminal also includes location positioning module and display module; Wherein, location positioning module, for positioning the geographical position of this intelligent terminal, and by this geographical position by the display module in wireless communication module transmission to other intelligent terminal.
3. a kind of intelligent terminal's cluster intercom system based on SIP according to claim 1, it is characterised in that described intercommunication module is to realize intercommunication function by Session Initiation Protocol, it is achieved during cluster intercommunication, and the communication mode of employing is simplex; When realizing an intelligent terminal only with another intelligent terminal's intercommunication, the communication mode of employing is duplex communication.
4. a kind of intelligent terminal's cluster intercom system based on SIP according to claim 1, it is characterized in that, Session Initiation Protocol in described intercommunication module realizes being be extended and transplant on the basis of Session Initiation Protocol stack of increasing income, and controls two parts including core protocol stack and signaling.
5. a kind of intelligent terminal's cluster intercom system based on SIP according to claim 1, it is characterised in that when described wireless communication module carries out the transmission of user profile data, adopts Transmission Control Protocol to be transmitted.
CN201610005985.6A 2016-01-05 2016-01-05 SIP-based intelligent terminal cluster intercom system Pending CN105681289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610005985.6A CN105681289A (en) 2016-01-05 2016-01-05 SIP-based intelligent terminal cluster intercom system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610005985.6A CN105681289A (en) 2016-01-05 2016-01-05 SIP-based intelligent terminal cluster intercom system

Publications (1)

Publication Number Publication Date
CN105681289A true CN105681289A (en) 2016-06-15

Family

ID=56299062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610005985.6A Pending CN105681289A (en) 2016-01-05 2016-01-05 SIP-based intelligent terminal cluster intercom system

Country Status (1)

Country Link
CN (1) CN105681289A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108259857A (en) * 2018-04-10 2018-07-06 广州峰火电子股份有限公司 A kind of two-way intercommunication integral system of video monitoring public broadcasting and its control method
CN112738028A (en) * 2020-12-14 2021-04-30 福建星网天合智能科技有限公司 Cloud talkback method, device and system for smart community

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070280136A1 (en) * 2006-05-31 2007-12-06 Lucent Technologies Inc. SIP-based instant messaging in mobile ad hoc networks
CN103227965A (en) * 2013-05-24 2013-07-31 吉林大学 Android intercom system based on WiFi network
CN104994247A (en) * 2015-05-19 2015-10-21 苏州方位通讯科技有限公司 Communication access method of SIP terminals serving as VoIP hot spots

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070280136A1 (en) * 2006-05-31 2007-12-06 Lucent Technologies Inc. SIP-based instant messaging in mobile ad hoc networks
CN103227965A (en) * 2013-05-24 2013-07-31 吉林大学 Android intercom system based on WiFi network
CN104994247A (en) * 2015-05-19 2015-10-21 苏州方位通讯科技有限公司 Communication access method of SIP terminals serving as VoIP hot spots

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
代威: "基于安卓端移动自组织网络的实时通信***研究", 《中国优秀硕士学位论文全文数据库信息科技辑》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108259857A (en) * 2018-04-10 2018-07-06 广州峰火电子股份有限公司 A kind of two-way intercommunication integral system of video monitoring public broadcasting and its control method
CN112738028A (en) * 2020-12-14 2021-04-30 福建星网天合智能科技有限公司 Cloud talkback method, device and system for smart community
CN112738028B (en) * 2020-12-14 2023-12-08 福建星网天合智能科技有限公司 Cloud intercom system for intelligent community

Similar Documents

Publication Publication Date Title
CN110012366B (en) Wide-narrow band converged communication system and method used under public and private network IP interconnection
CN100401659C (en) Digital intercommunication and long-range telecommunication realization by transit
CN108093495A (en) DRX cycle collocation method, terminal, access network equipment and storage medium
CN108377410A (en) The method, apparatus and TV of video calling are realized in TV split screen
CN104168389B (en) Method for receiving talking and device
US20090238356A1 (en) Group communication system, group id number issuing apparatus, and call control apparatus
CN102497443B (en) Vehicle-mounted station based on Internet, system and communication method thereof
Iland et al. EmergeNet: Robust, rapidly deployable cellular networks
CN102724203A (en) Internet protocol (IP) call dialing method for intelligent terminal
CN104079711A (en) Calling method based on speech recognition
CN110167026A (en) A kind of method for switching network and device, private network application server and storage medium
CN105635945A (en) Device communication method and system based on WI-FI Aware
CN113411759A (en) Voice call transfer method and electronic equipment
CN106550314B (en) Call forwarding method based on Bluetooth positioning technology
CN109275204B (en) Multi-mode communication system
CN106535150B (en) Incoming call forwarding method and device
CN102355713B (en) Method of calling in voice communication and mobile terminal
CN107124706B (en) Method, device and system for switching calls among mobile phones
CN105681289A (en) SIP-based intelligent terminal cluster intercom system
CN111740970B (en) Safe privacy conversation system of intelligent voice equipment
CN101631224A (en) Method for reserving and initiating wireless video conference and system thereof
CN109413120B (en) Communication method and device, electronic equipment and server
CN204014087U (en) Dispatching patcher
CN104639728A (en) Method and equipment used for improving speed or video communication quality
CN103905483A (en) Audio and video sharing method, equipment and system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160615