CN115378914B - Calling method, calling device and calling equipment for weak signal coverage area - Google Patents

Calling method, calling device and calling equipment for weak signal coverage area Download PDF

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Publication number
CN115378914B
CN115378914B CN202211011616.XA CN202211011616A CN115378914B CN 115378914 B CN115378914 B CN 115378914B CN 202211011616 A CN202211011616 A CN 202211011616A CN 115378914 B CN115378914 B CN 115378914B
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call request
call
calling
server
user terminal
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CN115378914A (en
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黄笑磊
王九九
董双赫
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06—Authentication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephonic Communication Services (AREA)

Abstract

The application provides a calling method, a calling device and calling equipment for a weak signal coverage area. The method comprises the following steps: the number authentication server receives a first call request sent by the background server, performs number verification on a calling number in the first call request, and sends a verification result to the background server; the method comprises the steps that a calling user terminal sends a first call request to a background server, the background server forwards the first call request to an exchange server when verification results are that verification is successful, the exchange server protocol conversion converts the first call request into a second call request and sends the second call request to an SBC device, the SBC device sends the second call request to a core network, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request. Through architecture communication networking, the lightweight Internet IP telephone application with short construction period and low cost is realized, and the problems of large transformation amount, long construction period and high cost in the prior art are solved.

Description

Calling method, calling device and calling equipment for weak signal coverage area
Technical Field
The present disclosure relates to communication technologies, and in particular, to a method and apparatus for calling a weak signal coverage area, and a calling device.
Background
In recent years, the construction of GSM (Global System for Mobile Communications) base stations is still to be perfected in partial areas (such as the Ali pasture areas) with wide regional areas and scattered population residence, so that signals in the pasture areas are weak or no signals are generated, and particularly when the pasture people encounter emergency, effective communication channels with the outside are lacking, and the position positioning information of the pasture people cannot be provided, so that life and property losses of different degrees are caused.
In the prior art, voWiFi (Voice over WiFi) can realize that a user initiates voice communication by using broadband internet, and users in the whole country realize subscription of VoWiFi service at CBSS (Concentrate Business Support System), and a terminal chip of the user needs to support VoWiFi, so that when the user is called, a mobile phone logged in at the internet side can realize ringing or initiate a calling party.
However, in the prior art, the modification amount of the VoWiFi mode is large, the construction period is long and the cost is high.
Disclosure of Invention
The application provides a calling method, a calling device and a calling user terminal during a game, which are used for solving the problems of large reconstruction amount, long construction period and high cost in the prior art.
In one aspect of the present application, a method for calling a weak signal coverage area is provided, where the method is applied to a calling number authentication server, and the method includes:
the number authentication server receives a first call request sent by the background server, performs number verification on a calling number in the first call request, and sends a verification result to the background server; the first call request is sent by the calling user terminal to the background server, when the verification result is that the verification is successful, the first call request is forwarded to the exchange server by the background server, the first call request is converted into a second call request by the exchange server protocol, the second call request is sent to the SBC (Session Border Controller) equipment, the second call request is sent to the core network by the SBC equipment, and the core network establishes a session between the calling user terminal and the called user terminal according to the second call request.
Further, the first call request is a IP (Internet Protocol) call request based on the SIP (Session initialization Protocol) protocol; the second call request is an IP call request based on signaling number seven.
Further, the second call request is sent by the SBC device to the core network via the access network.
In another aspect, the present application provides a method for calling a weak signal coverage area, where the method is applied to a called user terminal, and the method includes:
when receiving a first call instruction sent by a core network, sending a third call request to a call forwarding server; the first call instruction is generated by the core network according to a fifth call request initiated by the calling user terminal, the third call request is sent to the SBC equipment by the call forwarding server, the SBC equipment is used for sending the third call request to the switching server, the third call request is converted into a fourth call request by the switching server protocol, the fourth call request is sent to the background server, and the background server generates a second call instruction according to the fourth call request;
and receiving a second call instruction sent by the background server, and establishing a session between the calling user terminal and the called user terminal.
Further, when receiving the first call instruction sent by the core network, sending a third call request to the call forwarding server, specifically including:
receiving a first call instruction sent by a core network;
receiving a transfer call operation in response to a first call instruction;
responding to the transfer calling operation, and generating a third call request according to the calling number and the called number;
and sending a third call request to the call forwarding server.
In an embodiment, the third call request is sent by the call forwarding server to the SBC device via the access network.
In yet another aspect, the present application provides a calling device, including:
the acquisition module is used for receiving a first call request sent by the background server;
the processing module is used for carrying out number verification on the calling number in the first call request;
the processing module is also used for sending a verification result to the background server;
the first call request is sent by the calling user terminal to the background server, when the verification result is that the verification is successful, the first call request is forwarded to the exchange server by the background server, the first call request is converted into a second call request by the exchange server protocol, the second call request is sent to the SBC equipment, the second call request is sent to the core network by the SBC equipment, and the core network establishes a session between the calling user terminal and the called user terminal according to the second call request.
Yet another aspect of the present application provides a calling device, including: a memory and a processor;
storing computer-executable instructions in a memory;
the processor executes the computer-executable instructions stored in the memory to implement the method described above in relation to any one of the embodiments.
In yet another aspect, the present application provides a computer-readable storage medium having stored therein computer-executable instructions that, when executed by a processor, are configured to implement a method according to any of the above embodiments.
Another aspect of the present application provides a computer program product comprising a computer program which, when executed by a processor, implements a method as described above in relation to any of the embodiments.
The application provides a calling method, a calling device and calling equipment for a weak signal coverage area. The method comprises the following steps: the number authentication server receives a first call request sent by the background server, performs number verification on a calling number in the first call request, and sends a verification result to the background server; the method comprises the steps that a calling user terminal sends a first call request to a background server, the background server forwards the first call request to an exchange server when verification results are that verification is successful, the exchange server protocol conversion converts the first call request into a second call request and sends the second call request to an SBC device, the SBC device sends the second call request to a core network, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request. Through architecture communication networking, the application of the lightweight Internet IP telephone with short construction period, low cost and short and flat support is realized, and the problems of large transformation amount, long construction period and high cost in the prior art are solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a network architecture diagram of a calling method for providing a weak signal coverage area in the present application;
fig. 2 is a flow chart of a call method for weak signal coverage according to an embodiment of the present application;
fig. 3 is a flow chart of a call method for a weak signal coverage area according to another embodiment of the present application;
fig. 4 is a flowchart of a call method for a weak signal coverage area according to still another embodiment of the present application;
fig. 5 is a schematic structural diagram of a calling device according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of a calling user terminal according to another embodiment of the present application.
Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.
In recent years, for partial areas (such as an Ali pasture area) with wide area and scattered population living, the construction of GSM base stations is still to be perfected, so that signals of the pasture areas are weaker or no signals are generated, and particularly when a herd encounters an emergency, effective communication channels with the outside are lacking, and the position positioning information of the herd cannot be provided, so that life and property losses of different degrees are caused.
In the prior art, the VoWiFi can realize that a user initiates voice communication by using a broadband Internet, the user in the whole country realizes signing of the VoWiFi service in the CBSS, and the terminal chip of the user needs to support the VoWiFi, so that when the user is called, the mobile phone logged in at the Internet side can realize ringing or initiate a calling party.
However, in the prior art, the modification amount of the VoWiFi mode is large, the construction period is long and the cost is high.
Aiming at the problems, the embodiment of the application provides a calling method, a calling device and calling equipment for a weak signal coverage area, which aim to solve the problems of large reconstruction amount, long construction period and high cost in the prior art. The technical conception of the application is as follows: the number authentication server receives a first call request sent by the background server, performs number verification on a calling number in the first call request, and sends a verification result to the background server; the method comprises the steps that a calling user terminal sends a first call request to a background server, the background server forwards the first call request to an exchange server when verification results are that verification is successful, the exchange server protocol conversion converts the first call request into a second call request and sends the second call request to an SBC device, the SBC device sends the second call request to a core network, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request. Through architecture communication networking, the application of the lightweight Internet IP telephone with short construction period, low cost and short and flat support is realized, and the problems of large transformation amount, long construction period and high cost in the prior art are solved.
As shown in fig. 1, the present application provides a network architecture diagram of a calling method of a weak signal coverage area.
When a calling user is in a weak coverage area, wherein the weak coverage area is an area with the level intensity smaller than a preset threshold value in a certain area, the calling user initiates an internet IP call based on an SIP protocol through a calling user terminal, and a calling number A, a called number B and a call request are sent to a background server; the number authentication server verifies the number A, and sends a confirmation result to the background server after confirming that the number A is a local user; the background server sends the calling number A, the called number B and the call request to the exchange server; the exchange server converts the SIP signaling into NO.7 signaling and forwards the signaling to the SBC equipment; the SBC equipment is accessed to the provincial access network in a signaling way, and enters the operator core network through the provincial access network, pages to the called B through the operator core network, and establishes a session between the calling user terminal and the called user terminal, wherein the called B displays the mobile phone number of the calling A.
When the called user is in the weak coverage area, the calling B initiates a call to the called A in the weak coverage state based on NO.7 signaling of an operator; ringing the called A through the core network route, hanging up the call by the called A and initiating call transfer through the call transfer server; the provincial access network transmits the calling number B and the called number A to a call forwarding server, and the call forwarding server points to corresponding SBC equipment and routes the call to the SBC equipment; the SBC equipment routes the call to the exchange server, and routes the call to the background server after signaling conversion; the background server rings the called A to realize voice communication between the calling B and the called A.
As shown in fig. 2, an embodiment of the present application provides a calling method of a weak signal coverage area, which includes the following steps:
s101, when the calling user terminal is in a weak signal coverage area, the calling user terminal sends a first call request to a background server.
In this step, the calling user terminal may be a mobile phone or an ipad, and when the calling user terminal is in a weak signal coverage area, the calling user terminal actively transmits a first telephone call request to the background server through a TCP/IP (transmission Control Protocol/Internet Protocol ) protocol. The first call request is an IP call request based on the SIP protocol. The background server is a voice call service for providing internet access to the user from the terminal.
S102, the background server sends a first call request to the number authentication server.
In this step, the background server issues a first call request to the number authentication server via the TCP/IP protocol.
S103, the number authentication server performs number authentication on the calling number in the first call request.
In this step, the number authentication server provides services such as number authentication (one-key login), secondary number authentication, and three-element authentication. The SDK receives the pre-fetching number request from the SDK server through the application client initiating the number authentication service request to SDK (Software Development Kit), and returns an authentication authorization Token to the application client, the application client returns Token and other information to the application server, the application server submits Token and other information to the SDK server for number authentication, and the SDK server returns an authentication result to the application server. And the interactive authentication of the application server and the SDK server is realized, and the application server sends an authentication result to the application client.
And depending on the authentication capability of an operator gateway, the mobile phone number one-key registration login and local mobile phone number verification service provided for the calling user terminal Internet application support APP and H5 page multi-scene application. The official SDK supports multiple types of networks, is high in intelligent degree and short in interaction time, improves user experience, improves the conversion rate of new drawing, is reliable in performance, and reduces risks of registration and login of a space number and interception and theft of a password.
The secondary number verification product is used for verifying whether the mobile phone number is re-opened after the appointed time.
Exemplary, registration/login/password recovery: aiming at the scenes of registration/login/password recovery and the like, enterprises can identify whether the current registered login number is a secondary number by using a communication secondary number verification product, so that user privacy disclosure and economic loss possibly caused by using an original number account number by a secondary number user are avoided.
The three-element verification product provides consistency verification services of three elements of names, identification card numbers and mobile phone numbers of the connected users.
Exemplary, real name authentication: aiming at real name registration scenes in application systems such as finance, wedding and the like, enterprises can verify the authenticity and information consistency of the identity of the product identification user through three elements of the Unicom, and the enterprise is beneficial to preventing the risk of the user. Pre-credit auditing: aiming at financial scenes such as credit card application, enterprises can verify the authenticity of information of a product identification application user by using three elements of a Unicom, and assist user related matters in evaluation and decision.
S104, the number authentication server sends the verification result to the background server.
In the step, after the interactive authentication of the application server and the SDK server is realized, the application server sends an authentication result to a background server. And sending the verification result to the background server by using a TCP/IP protocol.
And S105, when the verification result of the number server is successful, the background server sends a first call request to the exchange server.
In the step, when the background server receives the successful verification result of the number server through the TCP/IP protocol, the background server sends a first call request to the exchange server through the TCP/IP protocol.
S106, the exchange server protocol conversion converts the first call request into a second call request.
In this step, since the first call request is an IP call request based on the SIP protocol, and the call request that the SBC device can receive is an IP call request based on signaling No. seven. Therefore, a switching server protocol conversion is required to convert the first call request to the second call request. The second call request is an IP call request based on signaling number seven, facilitating subsequent calls.
No.7 signaling: also known as common channel signaling. I.e. signalling means for transmitting a group of session signalling over a high speed data link in a time division manner, is commonly used between offices. The SS7 (signaling system # 7) network is an out-of-band data communication network that is overlaid on top of the operator's switching network and is an important component of the support network.
And S107, the switching server sends a second call request to the SBC equipment.
In this step, the switching server sends a second call request to the SBC device via the TCP/IP protocol. The SBC equipment realizes that the platform provided by the scheme is butted to the provincial access network.
S108, the SBC equipment sends a second call request to the core network.
In this step the SBC device sends a second call request to the core network via the access network.
And S109, the core network establishes a session between the calling user terminal and the called user terminal according to the second call request.
In this step, the core network pages the called user terminal in response to the second call request, and when the user is paged, the core network performs a corresponding paging route to establish a session between the calling user terminal and the called user terminal.
In the above technical solution, a method for calling a weak signal coverage area is applied to a number authentication server, and the method receives a first call request sent by a background server through the number authentication server, performs number verification on a calling number in the first call request, and sends a verification result to the background server; the method comprises the steps that a calling user terminal sends a first call request to a background server, the background server forwards the first call request to an exchange server when verification results are that verification is successful, the exchange server protocol conversion converts the first call request into a second call request and sends the second call request to an SBC device, the SBC device sends the second call request to a core network, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request. Through architecture communication networking, the application of the lightweight Internet IP telephone with short construction period, low cost and short and flat support is realized, and the problems of large transformation amount, long construction period and high cost in the prior art are solved.
As shown in fig. 3, another embodiment of the present application provides a method for calling a weak coverage area, including the following steps:
s201, when the called user terminal is in a weak coverage area, the core network generates a first call instruction according to a fifth call request initiated by the calling user terminal.
In the step, the calling user terminal sends a fifth call request to the core network through the provincial access network, and the core network executes corresponding processing according to the fifth call request initiated by the calling user terminal to obtain a first call instruction. The first call instruction is based on a call request of the called user terminal in good case of an internet IP network call.
S202, the core network sends a first call instruction to the called user terminal.
In this step, the core network sends a first call instruction to the called user terminal through the provincial access network.
S203, the called user terminal sends a third call request to the call forwarding server.
In the step, when the called user terminal is in the bad condition of the Internet IP network call, the called user refuses the first call request and then makes a call transfer to generate a third call request, and the called user terminal sends the third call request to the call transfer server through the provincial access network.
S204, the call forwarding server sends a third call request to the SBC equipment.
In this step the call forwarding server sends a third call request to the SBC device via the access network. The call forwarding server provides call forwarding services, which route the call forwarding to the designated SBC device.
S205, the SBC device sends a third call request to the switching server.
In this step the SBC device sends a third call request to the switching server via TCP/IP protocol.
S206, the exchange server protocol conversion converts the third call request into a fourth call request.
In this step, since the third call request is an IP call request based on signaling No. seven, the call request that can be received by the backend server is an IP call request based on the SIP protocol. Therefore, a switching server protocol conversion is required to convert the third call request to a fourth call request. The fourth call request is an IP call request based on the SIP protocol, facilitating subsequent calls.
S207, the exchange server sends a fourth call request to the background server.
In this step, the switching server sends a fourth call request to the background server via the TCP/IP protocol.
S208, the background server generates a second call instruction according to the fourth call request.
In the step, the background server responds to the fourth call request to page the called user terminal, and the background server executes corresponding paging route to generate a second call instruction.
S209, the background server sends a second call instruction to the called user terminal.
In this step, the background server sends a second call instruction to the called user terminal through the TCP/IP protocol.
S210, the called user terminal receives a second call instruction sent by the background server, and establishes a session between the calling user terminal and the called user terminal.
In the step, the called user terminal responds to the second call request, and establishes a session between the calling user terminal and the called user terminal through the paging route established by the call forwarding server.
In the above technical solution, when the called user terminal is in the weak coverage area, the called user terminal sends a third call request to the call forwarding server when receiving the first call instruction sent by the core network; the first call instruction is generated by the core network according to a fifth call request initiated by the calling user terminal, the call forwarding server sends a third call request to the SBC equipment, the SBC equipment is used for sending the third call request to the switching server, the switching server protocol conversion converts the third call request into a fourth call request and sends the fourth call request to the background server, and the background server responds to the fourth call request to generate a second call instruction; the called user terminal also receives a second call instruction sent by the background server, so that a session between the calling user terminal and the called user terminal is established. And realizes smooth call when the called user terminal is in the weak coverage area.
As shown in fig. 4, a method for calling a weak signal coverage area according to still another embodiment of the present application includes the following steps:
and S301, when the called user terminal is in a weak coverage area, the core network generates a first call instruction according to a fifth call request initiated by the calling user terminal.
This step is already described in detail in S201, and will not be described here again.
S302, the core network sends a first call instruction to the called user terminal.
This step is already described in detail in S202, and will not be described here again.
S303, the called user terminal receives a first call instruction sent by the core network.
In this step, the called user terminal receives a first call instruction sent by the core network through the access network.
S304, the called user terminal responds to the first call instruction and receives the call forwarding operation.
In this step, when the called user terminal is in the weak coverage area, the called user terminal responds to the first call instruction, and the called user terminal also needs to receive a call forwarding operation.
S305, the called user terminal responds to the call forwarding operation and generates a third call request according to the calling number and the called number.
In this step, the called user terminal generates a third call request according to the calling number and the called number in response to the call forwarding operation. The third call request is a request that the called user terminal is in a weak coverage area and needs a new call route to establish a call.
S306, the called user terminal sends a third call request to the call forwarding server.
This step is already described in detail in S203, and will not be described here again.
S307, the call forwarding server sends a third call request to the SBC equipment.
This step is already described in detail in S204, and will not be described here again.
S308, the SBC device sends a third call request to the switching server.
This step is already described in detail in S205, and will not be described here again.
S309, the switching server protocol conversion converts the third call request into a fourth call request.
This step is already described in detail in S206, and will not be described here again.
S310, the exchange server sends a fourth call request to the background server.
This step is already described in detail in S207, and will not be described here again.
S311, the background server generates a second call instruction according to the fourth call request.
This step is already described in detail in S208 and will not be described here again.
S312, the background server sends a second call instruction to the called user terminal.
This step is already described in detail in S209, and will not be described here again.
S313, the called user terminal receives the second call instruction sent by the background server, and establishes a session between the calling user terminal and the called user terminal.
This step is already described in detail in S210, and will not be described here again.
In the above technical solution, when the called user terminal is in the weak coverage area, the called user terminal receives the first call instruction sent by the core network, and receives the call forwarding operation in response to the first call instruction; the called user terminal responds to the transfer call operation and generates a third call request according to the calling number and the called number; the called user terminal sends a third call request to the call forwarding server. Transmitting a third call request to the call forwarding server; the first call instruction is generated by the core network according to a fifth call request initiated by the calling user terminal, the call forwarding server sends a third call request to the SBC equipment, the SBC equipment is used for sending the third call request to the switching server, the switching server protocol conversion converts the third call request into a fourth call request and sends the fourth call request to the background server, and the background server responds to the fourth call request to generate a second call instruction; the called user terminal also receives a second call instruction sent by the background server, so that a session between the calling user terminal and the called user terminal is established. When the called user terminal is in the weak coverage area, a new route is built through the call forwarding server, and smooth communication can be achieved.
As shown in fig. 5, a calling device 500 according to still another embodiment of the present application includes:
the processing module 502 is configured to receive a first call request sent by a background server, perform number verification on a calling number in the first call request, and send a verification result to the background server; the first call request is sent by the calling user terminal to the background server, when the verification result is that the verification is successful, the first call request is forwarded to the exchange server by the background server, the first call request is converted into a second call request by the exchange server protocol, the second call request is sent to the SBC equipment, the second call request is sent to the core network by the SBC equipment, and the core network establishes a session between the calling user terminal and the called user terminal according to the second call request.
The processing module 502 is further configured to send a third call request to the call forwarding server when the called user terminal receives the first call instruction sent by the core network; the first call instruction is generated by the core network according to a fifth call request initiated by the calling user terminal, the third call request is sent to the SBC equipment by the call forwarding server, the SBC equipment is used for sending the third call request to the switching server, the third call request is converted into a fourth call request by the switching server protocol, the fourth call request is sent to the background server, and the background server generates a second call instruction according to the fourth call request;
and receiving a second call instruction sent by the background server, and establishing a session between the calling user terminal and the called user terminal.
In one embodiment, the processing module 802 is specifically configured to:
the first call request is an IP call request based on the SIP protocol; the second call request is an IP call request based on signaling number seven.
In one embodiment, the processing module 802 is specifically configured to:
the second call request is sent by the SBC device to the core network via the access network.
In one embodiment, the processing module 802 is specifically configured to:
when receiving a first call instruction sent by a core network, sending a third call request to a call forwarding server, wherein the method specifically comprises the following steps:
receiving a first call instruction sent by a core network;
receiving a transfer call operation in response to a first call instruction;
responding to the transfer calling operation, and generating a third call request according to the calling number and the called number;
and sending a third call request to the call forwarding server.
In one embodiment, the processing module 802 is specifically configured to:
the third call request is sent by the call forwarding server to the SBC device via the access network.
As shown in fig. 6, an embodiment of the present application provides a calling subscriber terminal 600, the calling subscriber terminal 600 comprising a memory 601 and a processor 602.
Wherein the memory 601 is for storing computer instructions executable by the processor;
the processor 602, when executing computer instructions, implements the steps of the methods of the embodiments described above. Reference may be made in particular to the relevant description of the embodiments of the method described above.
Alternatively, the memory 601 may be separate or integrated with the processor 602. When the memory 601 is provided separately, the calling subscriber terminal further comprises a bus for connecting the memory 601 and the processor 602.
The embodiments of the present application further provide a computer readable storage medium, where computer instructions are stored, and when the processor executes the computer instructions, each step in the method in the above embodiments is implemented.
Embodiments of the present application also provide a computer program product comprising computer instructions which, when executed by a processor, implement the steps of the method in the above embodiments.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the present application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (9)

1. A method of calling a weak signal coverage area, the method being applied to a number authentication server, the method comprising:
the number authentication server receives a first call request sent by a background server, performs number authentication on a calling number in the first call request, and sends an authentication result to the background server; the first call request is sent by a calling user terminal to the background server, when the verification result is that the verification is successful, the first call request is forwarded to a switching server by the background server, the first call request is converted into a second call request by a switching server protocol, the second call request is sent to an SBC device, the second call request is sent to a core network by the SBC device, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request.
2. The calling method of claim 1, wherein the first call request is an IP call request based on SIP protocol; the second call request is an IP call request based on signaling number seven.
3. Call method according to claim 1 or 2, characterized in that the second call request is sent by the SBC device to the core network via an access network.
4. A method of calling a weak signal coverage area, the method being applied to a called user terminal, the method comprising:
when receiving a first call instruction sent by a core network, sending a third call request to a call forwarding server; the first call instruction is generated by the core network according to a fifth call request initiated by a calling user terminal, the third call request is sent to an SBC device by the call forwarding server, the SBC device is used for sending the third call request to a switching server, the third call request is converted into a fourth call request by a switching server protocol, the fourth call request is sent to a background server, and the background server generates a second call instruction according to the fourth call request;
and receiving a second call instruction sent by the background server, and establishing a session between the calling user terminal and the called user terminal.
5. The calling method according to claim 4, wherein when receiving the first call instruction sent by the core network, sending the third call request to the call forwarding server specifically includes:
receiving a first call instruction sent by the core network;
receiving a transfer call operation in response to the first call instruction;
responding to the transfer call operation, and generating the third call request according to the calling number and the called number;
and sending the third call request to the call forwarding server.
6. The call method according to claim 4 or 5, characterized in that the third call request is sent by the call forwarding server to the SBC device via an access network.
7. A calling device of weak signal coverage, comprising:
the acquisition module is used for receiving a first call request sent by the background server;
the processing module is used for carrying out number verification on the calling number in the first call request;
the processing module is also used for sending a verification result to the background server;
the first call request is sent by a calling user terminal to the background server, when the verification result is that the verification is successful, the first call request is forwarded to a switching server by the background server, the first call request is converted into a second call request by a switching server protocol, the second call request is sent to an SBC device, the second call request is sent to a core network by the SBC device, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request.
8. A calling device, comprising: a memory and a processor;
storing computer-executed instructions in the memory;
the processor executes computer-executable instructions stored in the memory to implement the method of any one of claims 1 to 6.
9. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1 to 6.
CN202211011616.XA 2022-08-23 2022-08-23 Calling method, calling device and calling equipment for weak signal coverage area Active CN115378914B (en)

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