CN115378914A - 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
CN115378914A
CN115378914A CN202211011616.XA CN202211011616A CN115378914A CN 115378914 A CN115378914 A CN 115378914A CN 202211011616 A CN202211011616 A CN 202211011616A CN 115378914 A CN115378914 A CN 115378914A
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call request
call
calling
server
sent
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CN202211011616.XA
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CN115378914B (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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  • Engineering & Computer Science (AREA)
  • 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 SBC equipment sends the second call request to a core network, and the core network establishes a session between the calling subscriber terminal and the called subscriber terminal according to the second call request. By constructing communication networking, the method realizes the application of supporting the lightweight Internet IP telephone with short construction period and low cost, and solves the problems of large reconstruction amount, long construction period and high cost in the prior art.

Description

Calling method, calling device and calling equipment for weak signal coverage area
Technical Field
The present application relates to communications technologies, and in particular, to a method, an apparatus, and a device for calling in a weak signal coverage area.
Background
In recent years, the construction of GSM (Global System for Mobile Communications) base stations in a part of areas with wide geographical areas and dispersed population (such as an ari pastoral area) is still to be improved, so that signals in the pastoral areas are weak or no signals exist, and particularly, when a herdsman encounters an emergency, an effective communication channel with the outside is lacked, and own position positioning information cannot be provided, so that life and property losses of different degrees are caused.
In the prior art, voice over WiFi (Voice over WiFi) can enable a user to initiate Voice communication using broadband internet, a nationwide user realizes subscription of a Voice over WiFi service in a CBSS (central Business Support System), and a terminal chip of the user needs to Support the Voice over WiFi, so that when the user is called, ringing or calling of a mobile phone logged in on the internet side can be realized.
However, in the prior art, the VoWiFi mode is modified in a large amount, 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 period, which are used for solving the problems of large modification amount, long construction period and high cost in the prior art.
In one aspect of the present application, a method for calling in 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 from a calling user terminal to a background server, the first call request is forwarded to an exchange server by the background server when the verification result is successful, the first call request is converted into a second call request by an exchange server protocol, the second call request is sent to SBC (Session Border Controller) equipment, the second call request is sent to a core network by the SBC equipment, and the core network establishes a Session between the calling user terminal and a called user terminal according to the second call request.
Further, the first call request is an IP (Internet Protocol) call request based on an SIP (Session initiation 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 through the access network.
Another aspect of 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 a first call instruction sent by a core network is received, a third call request is sent to a call forwarding server; the first call instruction is generated by a core network according to a fifth call request initiated by a calling subscriber terminal, a third call request is sent to the SBC equipment by a call transfer server, the SBC equipment is used for sending the third call request to an exchange server, the third call request is converted into a fourth call request by an exchange server protocol and 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.
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;
responding to the first call instruction, and receiving a call forwarding operation;
responding to the call forwarding 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 to the SBC device by the call forwarding server through the access network.
In another aspect, the present application provides a calling device, including:
the acquisition module is used for receiving a first call request sent by a background server;
the processing module is used for carrying out number verification on the calling number in the first calling request;
the processing module is also used for sending a verification result to the background server;
the first call request is sent to a background server by a calling user terminal, the first call request is forwarded to an exchange server by the background server when the verification result is that the verification is successful, the first call request is converted into a second call request by an exchange server protocol and is sent to SBC equipment, the second call request is sent to a core network by the SBC equipment, and the core network establishes a session between the calling user terminal and a called user terminal according to the second call request.
Yet another aspect of the present application provides a calling device, comprising: a memory and a processor;
the memory stores computer execution instructions;
the processor executes computer-executable instructions stored by the memory to implement the method described above in relation to any of the embodiments.
In yet another aspect, the present application provides a computer-readable storage medium, in which computer-executable instructions are stored, and when the computer-executable instructions are executed by a processor, the computer-executable instructions are used to implement the method of any one of the above embodiments.
Another aspect of the application provides a computer program product comprising a computer program which, when executed by a processor, performs the method described above in relation to any one 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 first call request is sent to a background server by a calling user terminal, the background server forwards the first call request to an exchange server when the verification result is that the verification is successful, the exchange server converts a protocol conversion protocol of the exchange server to convert the first call request into a second call request, the second call request is sent to SBC equipment, the SBC equipment 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. By constructing communication networking, the method realizes short construction period, low cost and short and quick support of lightweight Internet IP telephone application, and solves the problems of large modification amount, long construction period and high cost in the prior art.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Fig. 1 is a diagram illustrating a network architecture for a call method in a weak signal coverage area according to the present application;
fig. 2 is a flowchart of a call method for a weak signal coverage area according to an embodiment of the present application;
fig. 3 is a flowchart of a paging method for a weak signal coverage area according to another embodiment of the present application;
fig. 4 is a flowchart of a paging method for a weak signal coverage area according to yet 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 subscriber terminal according to yet another embodiment of the present application.
With the above figures, there are shown specific embodiments of the present application, which will be described in more detail below. These drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
In recent years, in some areas (such as an ari pastoral area) with wide area and dispersed population, the construction of the GSM base station is still to be perfected, so that the signals in the pastoral areas are weak or have no signals, and particularly, when a herdsman encounters an emergency, an effective communication channel with the outside is lacked, the self position positioning information cannot be provided, and 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 nationwide users realize subscription of VoWiFi service in CBSS, and a terminal chip of the user needs to support the VoWiFi, so that when the user is called, ringing or calling can be realized by a mobile phone logged on the internet side.
However, in the prior art, the VoWiFi mode is modified in a large amount, the construction period is long, and the cost is high.
In view of the above problems, embodiments of the present application provide a method, an apparatus, and a device for calling in a weak signal coverage area, which aim to solve the problems of large modification, long construction period, and high cost in the prior art. The technical idea 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 SBC equipment sends the second call request to a core network, and the core network establishes a session between the calling subscriber terminal and the called subscriber terminal according to the second call request. By constructing communication networking, the method realizes short construction period, low cost and short and quick support of lightweight Internet IP telephone application, and solves the problems of large modification amount, long construction period and high cost in the prior art.
As shown in fig. 1, the present application provides a call method network architecture diagram for weak signal coverage areas.
When a calling party is in a weak coverage area, wherein the weak coverage area is an area with the level intensity in a certain area smaller than a preset threshold value, the calling party initiates an Internet Protocol (IP) call based on an Session Initiation Protocol (SIP) through a calling party terminal, and sends a calling number A, a called number B and a call request 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 the 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 a No.7 signaling and forwards the signaling to the SBC equipment; the SBC equipment signaling is accessed into a provincial access network, enters an operator core network through the provincial access network, pages to a called B through the operator core network, and establishes a session between a calling user terminal and a called user terminal, wherein the called B end displays a mobile phone number of a 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 the NO.7 signaling of the operator; the called A rings through the routing of the core network, the called A hangs up the telephone and initiates call forwarding through the call forwarding server; the provincial access network transmits the calling number B and the called number A to a call forwarding server, the call forwarding server points to the corresponding SBC equipment, and the call is routed 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 makes the called A ring, and realizes the voice communication between the calling B and the called A.
As shown in fig. 2, an embodiment of the present application provides a method for calling a weak signal coverage area, where the method 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 sends a first phone call request to the backend 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 used for providing voice call service accessed by the user from the terminal Internet.
S102, the background server sends a first call request to the number authentication server.
In the step, the background server issues the first call request to the number authentication server through a TCP/IP protocol.
S103, the number authentication server performs number verification 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 verification, and three-factor verification. The method comprises the steps that a number authentication service request is initiated to an SDK (Software Development Kit) through an application client, the SDK receives a number pre-fetching request from an SDK server and returns an authentication authorization Token to the application client, the application client returns information such as the Token to the application server, the application server submits the information such as the Token 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.
One-key registration login and local mobile phone number verification services of mobile phone numbers provided by internet application of a calling user terminal are supported by means of operator gateway authentication capability, and APP and H5 page multi-scene application are supported. Official SDK supports multiclass type network, and intelligent degree is high, and the interaction time is short, promotes user experience, improves and draws new conversion rate, and patent technology, the dependable performance reduces empty number registration login, password interception and steals the risk.
The secondary number verification product is used for verifying whether the mobile phone number reopens after the specified time.
Exemplary, registration/login/password recovery: aiming at the scenes of registration/login/password recovery and the like, an enterprise can identify whether the current registration login number is secondary number allocation through a verification product of the Unicom secondary number, so that the privacy disclosure and the economic loss of a user possibly brought by the secondary number allocation user using the original number account are avoided.
The three-element verification product provides a consistency verification service for three elements of names, identification 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, marriage and love, enterprises can verify authenticity and information consistency of product identification users through three communicated elements, and user risk prevention is facilitated. Pre-loan review: aiming at financial scenes such as credit card application and the like, enterprises can verify the product identification application user information truth by using the three elements of communication, and the enterprise can assist user related item evaluation and decision.
S104, the number authentication server sends a verification result to the background server.
In this step, after the interactive authentication between the application server and the SDK server is implemented, the application server sends an authentication result to the background server. And sending the verification result to a background server by a TCP/IP protocol.
And S105, when the number server verification result 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 a 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 is converted to convert 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, the call request that the SBC device can receive is an IP call request based on signaling number seven. Therefore, a switching server protocol conversion is required to convert the first call request into 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., a signaling scheme that transmits a group of voice channel signaling 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 overlays the operator's switching network and is an important component of the support network.
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 docked to the provincial access network.
And S108, the SBC equipment sends a second call request to the core network.
In this step, the SBC device sends the second call request to the core network through the access network.
S109, the core network establishes a session between the calling user terminal and the called user terminal according to the second call request.
In the step, the core network responds to the second call request to page the called user terminal, and when the user is paged, the core network executes corresponding paging routing to establish a session between the calling user terminal and the called user terminal.
In the technical scheme, the method is applied to a number authentication server, 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 SBC equipment sends the second call request to a core network, and the core network establishes a session between the calling subscriber terminal and the called subscriber terminal according to the second call request. By constructing communication networking, the method realizes short construction period, low cost and short and quick support of lightweight Internet IP telephone application, and solves the problems of large modification amount, long construction period and high cost in the prior art.
As shown in fig. 3, another embodiment of the present application provides a method for calling a weak coverage area, where the method includes the following steps:
s201, when the called user terminal is in the 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 condition of the internet IP network conversation.
S202, the core network sends a first call instruction to the called user terminal.
In the 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 a bad condition of the internet IP network communication, the called user rejects the first call request and then performs call forwarding to generate a third call request, and the called user terminal sends the third call request to the call forwarding server through the provincial access network.
And 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 through the access network. The call forwarding server provides call forwarding services, routing calls to the designated SBC devices.
S205, the SBC device sends the third call request to the switching server.
In this step, the SBC device sends a third call request to the switching server via the TCP/IP protocol.
S206, the protocol of the exchange server is converted to convert 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 the background server can receive is an IP call request based on the SIP protocol. Therefore, a switching server protocol conversion is required to convert the third call request into the fourth call request. The fourth call request is an IP call request based on the SIP protocol, which facilitates subsequent calls.
S207, the exchange server sends a fourth call request to the background server.
In this step, the exchange server sends a fourth call request to the background server via the TCP/IP protocol.
And 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 a corresponding paging route to generate a second call instruction.
S209, the background server sends a second call instruction to the called user terminal.
In the step, the background server sends a second call instruction to the called user terminal through a TCP/IP protocol.
S210, the called user terminal receives a second call instruction sent by the background server, and a session between the calling user terminal and the called user terminal is established.
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 a paging route established by the call forwarding server.
In the technical scheme, when the called user terminal is in a weak coverage area and receives a first call instruction sent by a core network, the called user terminal sends a third call request to a call forwarding server; the first call instruction is generated by a core network according to a fifth call request initiated by a calling subscriber terminal, a call forwarding server sends a third call request to an SBC device, the SBC device is used for sending the third call request to an exchange server, the exchange server performs protocol conversion to change the third call request into a fourth call request and sends the fourth call request to a 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 as to establish a session between the calling user terminal and the called user terminal. And when the called user terminal is in the weak coverage area, smooth conversation can be realized.
As shown in fig. 4, another embodiment of the present application provides a method for calling a weak signal coverage area, including the following steps:
s301, when the called user terminal is in the 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 has already been described in detail in S201, and is not described here again.
S302, the core network sends a first call instruction to the called user terminal.
This step has already been described in detail in S202, and is not 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 needs to receive the 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 the step, 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. 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 has already been described in detail in S203, and is not described here again.
S307, the call forwarding server sends a third call request to the SBC device.
This step has already been described in detail in S204, and is not described here again.
S308, the SBC device sends the third call request to the switching server.
This step has already been described in detail in S205, and is not described here again.
S309, the protocol of the exchange server is converted to convert the third call request into a fourth call request.
This step has already been described in detail in S206 and is not described here again.
S310, the exchange server sends a fourth call request to the background server.
This step, which has already been described in detail in S207, is not described here again.
And S311, the background server generates a second call instruction according to the fourth call request.
This step has already been described in detail in S208, and is not described here again.
S312, the background server sends a second call instruction to the called user terminal.
This step has already been described in detail in S209, and is not described here again.
S313, the called user terminal receives the second call instruction sent by the background server, and a session between the calling user terminal and the called user terminal is established.
This step has already been described in detail in S210, and is not described here again.
In the technical scheme, when the called user terminal is in a weak coverage area and receives a first call instruction sent by a core network, the called user terminal responds to the first call instruction and receives call forwarding operation; 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; and the called user terminal sends a third call request to the call transfer server. Sending a third call request to a call forwarding server; the first call instruction is generated by a core network according to a fifth call request initiated by a calling subscriber terminal, a call forwarding server sends a third call request to an SBC device, the SBC device is used for sending the third call request to an exchange server, the exchange server performs protocol conversion to change the third call request into a fourth call request and sends the fourth call request to a 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 as to establish a session between the calling user terminal and the called user terminal. And when the called user terminal is in a weak coverage area, a new route is established through the call forwarding server, and smooth conversation can be realized.
As shown in fig. 5, a calling device 500 according to another embodiment of the present application includes:
the processing module 502 is used for the number authentication server to receive the first call request sent by the background server, perform number verification on the calling number in the first call request, and send a verification result to the background server; the first call request is sent to a background server by a calling user terminal, the first call request is forwarded to an exchange server by the background server when the verification result is that the verification is successful, the first call request is converted into a second call request by an exchange server protocol and is sent to SBC equipment, the second call request is sent to a core network by the SBC equipment, and the core network establishes a session between the calling user terminal and a 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 a core network according to a fifth call request initiated by a calling subscriber terminal, a third call request is sent to SBC equipment by a call transfer server, the SBC equipment is used for sending a third call request to an exchange server, the third call request is converted into a fourth call request by an exchange server protocol and 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.
In an 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 an embodiment, the processing module 802 is specifically configured to:
the second call request is sent to the core network by the SBC device through the access network.
In an 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, specifically comprising:
receiving a first call instruction sent by a core network;
responding to the first call instruction, and receiving a call forwarding operation;
responding to the call forwarding 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 processing module 802 is specifically configured to:
the third call request is sent to the SBC device by the call forwarding server through the access network.
As shown in fig. 6, an embodiment of the present application provides a calling user terminal 600, where the calling user terminal 600 includes a memory 601 and a processor 602.
Wherein the memory 601 is used for storing computer instructions executable by the processor;
the processor 602, when executing computer instructions, performs the steps of the methods in the embodiments described above. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 601 may be separate or integrated with the processor 602. When the memory 601 is separately provided, the calling user terminal further includes a bus for connecting the memory 601 and the processor 602.
The embodiment of the present application further provides a computer-readable storage medium, in which computer instructions are stored, and when the processor executes the computer instructions, the steps in the method in the foregoing embodiment are implemented.
Embodiments of the present application further provide a computer program product, which includes computer instructions, and when the computer instructions are executed by a processor, the computer instructions 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 invention 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 invention 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 will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A calling method of a weak signal coverage area is characterized in that the method is applied to a number authentication server, and the method comprises the following steps:
the number authentication server receives a first call request sent by a 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 to the background server by a calling user terminal, the first call request is forwarded to an exchange server by the background server when the verification result is that the verification is successful, the first call request is converted into a second call request by the exchange server protocol, the second call request is sent to SBC equipment, the second call request is sent to a core network by the SBC equipment, 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 according to claim 1, wherein the first call request is an IP call request based on a SIP protocol; the second call request is an IP call request based on signaling number seven.
3. The method according to claim 1 or 2, wherein the second call request is sent by the SBC device to the core network through an access network.
4. A calling method of a weak signal coverage area is characterized in that the method is applied to a called user terminal, and the method comprises the following steps:
when a first call instruction sent by a core network is received, a third call request is sent 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 subscriber 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 an exchange server, the third call request is converted into a fourth call request by a protocol of the exchange server and 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 the sending the third call request to a call forwarding server when receiving the first call instruction sent by the core network specifically comprises:
receiving a first call instruction sent by the core network;
responding to the first call instruction, and receiving a call forwarding operation;
responding to the call forwarding operation, and generating the third call request according to a calling number and a called number;
and sending the third call request to the call forwarding server.
6. The calling method according to claim 4 or 5, wherein the third call request is sent by the call forwarding server to the SBC device through the access network.
7. A paging device for a weak signal coverage area, comprising:
the acquisition module is used for receiving a first call request sent by a 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 to the background server by a calling user terminal, the first call request is forwarded to an exchange server by the background server when the verification result is that the verification is successful, the first call request is converted into a second call request by the exchange server protocol, the second call request is sent to SBC equipment, the second call request is sent to a core network by the SBC equipment, 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;
the memory stores computer execution instructions;
the processor executes computer-executable instructions stored by the memory to implement the method of any of claims 1 to 6.
9. A computer-readable storage medium having computer-executable instructions stored thereon, which when executed by a processor, are configured to implement the method of any one of claims 1 to 6.
10. A computer program product, comprising a computer program which, when executed by a processor, implements 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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