CN113329517B

CN113329517B - Communication method and device

Info

Publication number: CN113329517B
Application number: CN202110490281.3A
Authority: CN
Inventors: 马泽芳; 马瑞涛; 张强; 李晨仪
Original assignee: China United Network Communications Group Co Ltd
Current assignee: China United Network Communications Group Co Ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-09-02
Anticipated expiration: 2041-05-06
Also published as: CN113329517A

Abstract

The embodiment of the application provides a communication method and device, relates to the technical field of communication, and solves the technical problem that an existing special service platform corresponding to a special service number cannot provide faster service for a user. The communication method comprises the following steps: the method comprises the steps that when a calling operator server receives an original calling request sent by a calling terminal, the calling operator server obtains the access network type, the cell identifier and the TAI of the calling terminal, and determines the original position identifier of the calling terminal according to the access network type, the cell identifier and the TAI of the calling terminal. And the calling operator server encodes the original position identification to obtain a target position identification. After the target call request is sent to the called operator server, the target call request comprises a target position identifier which is a uniform identifier between the calling network and the called network, so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

Description

Communication method and device

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a communication method and apparatus.

Background

Currently, terminals and special service platforms under different operator networks can provide special service for users. When a user dials a special service number (e.g., an emergency linkage platform number such as 110 or 120, or a non-emergency service platform number such as 10010 or 95538) corresponding to a special service platform through a calling terminal, a called network device corresponding to the special service number usually randomly accesses a called terminal corresponding to the special service number.

When a user corresponding to the calling terminal goes out to a region other than the home location of the calling terminal, if the calling terminal dials the special service number, the called terminal of the home location of the calling terminal may be accessed. Under the condition, the special service platform corresponding to the special service number cannot provide faster service for the user, and the user experience is reduced.

Disclosure of Invention

The application provides a communication method and device, and solves the technical problem that a special service platform corresponding to an existing special service number cannot provide faster service for a user.

In order to achieve the purpose, the technical scheme is as follows:

in a first aspect, a communication method is provided, which is applied to a calling operator server, and includes: when an original call request sent by a calling terminal is received, acquiring the access network type, cell identification and Tracking Area Identification (TAI) of the calling terminal; the cell identification includes: a fourth generation mobile communication technology 4G cell global identity ECGI or a fifth generation mobile communication technology 5G cell global identity NCGI; determining an original position identifier of the calling terminal according to the access network type, the cell identifier and the TAI of the calling terminal; coding the original position identification to obtain a target position identification; the target position mark is a uniform mark between the calling network and the called network; and adding the target position identifier into the original call request to obtain a target call request, and sending the target call request to the called operator server so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

As can be seen from the above, when receiving the original call request sent by the calling terminal, the calling operator server may obtain the access network type, the cell identifier, and the TAI of the calling terminal, and determine the original location identifier of the calling terminal according to the access network type, the cell identifier, and the TAI of the calling terminal. And then, the calling operator server carries out coding processing on the original position identification to obtain a target position identification. Subsequently, after the target call request is sent to the called operator server, because the target call request comprises the target position identification which is a uniform identification between the calling network and the called network, the called operator server can determine the called special service platform and the called terminal meeting the preset conditions according to the target call request, thereby avoiding that in the prior art, when a user corresponding to the calling terminal goes out to a region outside the home of the calling terminal and dials a special service number, the called operator server accesses the called terminal corresponding to the special service number of the home of the calling terminal, and improving user experience.

In a second aspect, a communication method is provided, which is applied to a called operator server, and includes: receiving a target call request sent by a calling operator server; the target call request comprises a target position identifier used for marking the position information of the calling terminal; the target position mark is a uniform mark between the calling network and the called network; determining a called special service platform and a called terminal which meet preset conditions according to the target call request; and establishing a communication link among the calling terminal, the called special service platform and the called terminal.

In a third aspect, a communication device is provided, which is capable of implementing the functionality of the first aspect. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-described functions. In this application, the communication apparatus is applied to a calling operator server, and includes: the device comprises an acquisition unit, a determination unit, a processing unit and a sending unit; the system comprises an acquisition unit, a tracking area identification unit and a control unit, wherein the acquisition unit is used for acquiring the access network type, the cell identification and the TAI of a calling terminal when receiving an original call request sent by the calling terminal; the cell identifier includes: a fourth generation mobile communication technology 4G cell global identity (ECGI) or a fifth generation mobile communication technology 5G cell global identity (NCGI); a determining unit, configured to determine an original location identifier of the calling terminal according to an access network type, a cell identifier, and a TAI of the calling terminal; the processing unit is used for coding the original position identification to obtain a target position identification; the target position mark is a uniform mark between the calling network and the called network; and the transmitting unit is used for adding the target position identifier into the original call request to obtain a target call request and transmitting the target call request to the called operator server so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

In a fourth aspect, there is provided yet another communication apparatus capable of implementing the functions of the second aspect. These functions may be implemented by hardware, or by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-described functions. In the present application, the communication apparatus is applied to a called operator server, and includes: the device comprises a receiving unit, a determining unit and a establishing unit; the receiving unit is used for receiving a target call request sent by a calling operator server; the target call request comprises a target position identifier used for marking the position information of the calling terminal; the target position mark is a uniform mark between a calling network and a called network; the determining unit is used for determining a called special service platform and a called terminal which meet preset conditions according to the target call request; and the establishing unit is used for establishing a communication link among the calling terminal, the called special service platform and the called terminal.

In a fifth aspect, there is provided yet another communications apparatus that includes one or more processors, and one or more memories; the one or more memories coupled with the one or more processors, the one or more memories storing computer instructions. The computer instructions, when executed by the one or more processors, cause the communication apparatus to perform the method of communication of the first or second aspect.

Optionally, the communication device may further include a communication interface, where the communication interface is configured to perform the step of transceiving data, signaling, or information in the communication method according to the first aspect.

The communication device may be a device in the present application, or may be a part of a device in the present application, such as a system-on-chip in the device. The system-on-chip is adapted to enable the device to perform the functions referred to in the first aspect, e.g. to retrieve, delete data and/or information referred to in the communication method described above. The chip system includes a chip and may also include other discrete devices or circuit structures.

In a sixth aspect, a computer-readable storage medium is also provided, having instructions stored therein; the instructions, when executed on a computer, cause the computer to perform the communication method according to the first or second aspect as described above.

In a seventh aspect, there is also provided a computer program product comprising computer instructions which, when run on a computer, cause the computer to perform the communication method according to the first or second aspect.

It should be noted that, the above computer instructions may be stored in whole or in part on a first computer storage medium, where the first computer storage medium may be packaged together with or separately from a processor of a communication device, and the present application is not limited thereto.

Reference may be made to the detailed description of the first aspect for descriptions of the second, third, fourth, fifth, sixth and seventh aspects of the present application; moreover, the beneficial effects of the second, third, fourth, fifth, sixth and seventh aspects may refer to the beneficial effect analysis in the first aspect, and are not repeated here.

In this application, the names of the above-mentioned devices do not limit the devices or functional modules themselves, and in actual implementation, these devices or functional modules may appear by other names. Insofar as the functions of the respective devices or functional modules are similar to those of the present application, they fall within the scope of the claims of the present application and their equivalents.

These and other aspects of the present application will be more readily apparent from the following description.

Drawings

Fig. 1 is a schematic structural diagram of a communication system according to an embodiment of the present application;

fig. 2 is a schematic hardware structure diagram of a communication device according to an embodiment of the present disclosure;

fig. 3 is a schematic hardware structure diagram of another communication device according to an embodiment of the present application;

fig. 4 is a flowchart illustrating a communication method according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of another communication system provided in the embodiment of the present application;

fig. 6 is a flowchart illustrating another communication method according to an embodiment of the present application;

FIG. 7 is a schematic diagram of an apparatus according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of another apparatus provided in the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

For the convenience of clearly describing the technical solutions of the embodiments of the present application, in the embodiments of the present application, the terms "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions and actions, and those skilled in the art can understand that the terms "first", "second", and the like do not limit the quantity and execution order.

To facilitate an understanding of the present application, the relevant elements referred to in the present application will now be described.

As described in the background art, when a user corresponding to a calling terminal goes out to a region other than the home location of the calling terminal, if the calling terminal dials a special service number, a called terminal of the home location of the calling terminal may be accessed. Under the condition, the special service platform corresponding to the special service number cannot provide faster service for the user, and the user experience is reduced.

In view of the above problem, an embodiment of the present application provides a communication method, where a calling operator server, when receiving an original call request sent by a calling terminal, may obtain an access network type, a cell identifier (including a fourth-generation mobile communication technology 4G cell global identifier ECGI or a fifth-generation mobile communication technology 5G cell global identifier NCGI), and a TAI of the calling terminal, and determine an original location identifier of the calling terminal according to the access network type, the cell identifier, and the TAI of the calling terminal. And then, the calling operator server carries out coding processing on the original position identification to obtain a target position identification. Subsequently, after the target call request is sent to the called operator server, because the target call request comprises the target position identification which is a uniform identification between the calling network and the called network, the called operator server can determine the called special service platform and the called terminal meeting the preset conditions according to the target call request, thereby avoiding that in the prior art, when a user corresponding to the calling terminal goes out to a region outside the home of the calling terminal and dials a special service number, the called operator server accesses the called terminal corresponding to the special service number of the home of the calling terminal, and improving user experience.

The communication method provided by the embodiment of the application is suitable for the communication system 10. Fig. 1 shows one configuration of the communication system 10. As shown in fig. 1, the communication system 10 includes: calling terminal 11, called terminal 12, calling operator server 13 and called operator server 14.

The calling terminal 11 or the called terminal 12 in this embodiment may be a mobile phone, a tablet computer desktop, a laptop, a handheld computer, a notebook, an ultra-mobile personal computer (UMPC), a netbook, a cellular phone, a Personal Digital Assistant (PDA), an Augmented Reality (AR) \ Virtual Reality (VR) device, and the like, which may be installed with an instant messaging application and communicate using the instant messaging application, and the embodiment of the present invention does not impose any particular limitation on the specific form of the display device. The service system comprises tasks to be executed.

The calling operator server 13 or the called operator server 14 in the embodiment of the present application may be one server, or may be a server cluster composed of multiple servers, or one cloud computing service center. The server may include a processor, memory, and a network interface, among others.

The calling terminal 11, the called terminal 12, the calling operator server 13, and the called operator server 14 in fig. 1 may have a hardware structure shown in fig. 2. Fig. 2 is a schematic diagram of a hardware structure of a communication device according to an embodiment of the present disclosure, where the communication device may be used to implement the communication method according to the embodiment of the present disclosure.

The communication device may be the calling network device in this application, or may be a part of the calling network device in this application, for example, a chip system in the communication device. The chip system is used for supporting a communication device to realize the communication method provided by the embodiment of the application. The chip system includes a chip and may also include other discrete devices or circuit structures.

Correspondingly, the communication device may be the called network device in this application, or may be a part of the called network device in this application, for example, a system on chip in the communication device. The chip system is used for supporting the communication device to realize the communication method provided by the embodiment of the application. The chip system includes a chip and may also include other discrete devices or circuit structures.

As shown in fig. 2, the communication device includes a processor 21, a memory 22, a communication interface 23, and a bus 24. The processor 21, the memory 22 and the communication interface 23 may be connected by a bus 24.

The processor 21 is a control center of the communication device, and may be a single processor or a collective term for a plurality of processing elements. For example, the processor 21 may be a Central Processing Unit (CPU), other general-purpose processors, or the like. Wherein a general purpose processor may be a microprocessor or any conventional processor or the like.

For one embodiment, processor 21 may include one or more CPUs, such as CPU 0 and CPU 1 shown in FIG. 2.

The memory 22 may be, but is not limited to, a read-only memory (ROM) or other type of static storage device that may store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that may store information and instructions, an electrically erasable programmable read-only memory (EEPROM), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.

In a possible implementation, the memory 22 may exist separately from the processor 21, and the memory 22 may be connected to the processor 21 via a bus 24 for storing instructions or program codes. The processor 21, when calling and executing the instructions or program codes stored in the memory 22, can implement the communication method provided by the embodiment of the present invention.

In another possible implementation, the memory 22 may also be integrated with the processor 21.

And a communication interface 23 for connecting with other devices through a communication network. The communication network may be an ethernet network, a radio access network, a Wireless Local Area Network (WLAN), or the like. The communication interface 23 may include a receiving unit for receiving data, and a transmitting unit for transmitting data.

The bus 24 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 2, but it is not intended that there be only one bus or one type of bus.

It is to be noted that the configuration shown in fig. 2 does not constitute a limitation of the communication apparatus. The communication device may include more or fewer components than shown, or some components may be combined, or a different arrangement of components than shown in fig. 2.

Fig. 3 shows another hardware configuration of the communication apparatus in the embodiment of the present application. As shown in fig. 3, the communication device may include a processor 31 and a communication interface 32. The processor 31 is coupled to a communication interface 32.

The function of the processor 31 may refer to the description of the processor 21 above. The processor 31 also has a memory function, and the function of the memory 22 can be referred to.

The communication interface 32 is used to provide data to the processor 31. The communication interface 32 may be an internal interface of the communication device, or may be an external interface (corresponding to the communication interface 23) of the communication device.

It is noted that the configuration shown in fig. 2 (or fig. 3) does not constitute a limitation of the communication apparatus, which may include more or less components than those shown in fig. 2 (or fig. 3), or combine some components, or a different arrangement of components, in addition to the components shown in fig. 2 (or fig. 3).

Fig. 4 is a flowchart illustrating a communication method according to an embodiment of the present application. As shown in fig. 4, the communication method includes the following S401-S407.

S401, when receiving an original call request sent by a calling terminal, a calling operator server acquires an access network type, a cell identifier and a TAI of the calling terminal.

Wherein, the cell identification comprises: the fourth generation mobile communication technology 4G Cell Global identity (ECGI) or the fifth generation mobile communication technology 5G Cell Global identity (NR Cell Global identity, NCGI). ECGI means a globally unique identity for a PLMN-4G cell. The NCGI indicates a certain PLMN, indicating a PLMN a globally unique identity of a 5G cell. TAI is the identity of the tracking area TAC, which includes several cell identities that are larger in location than the ECGI and NCGI.

Specifically, when the user dials the special service number, the calling operation of the special service number can be executed on the calling terminal. In this case, the calling terminal transmits a call request to the calling operator server in response to a call operation performed by the user. Correspondingly, when receiving an original call request sent by a calling terminal, a calling operator server obtains an access network type, a cell Identity and a Tracking Area Identity (TAI) of the calling terminal.

S402, the calling operator server determines the original position identification of the calling terminal according to the access network type, the cell identification and the TAI of the calling terminal.

Specifically, after the access network type, the cell identifier, and the TAI of the calling terminal are obtained, the calling operator server determines the original location identifier of the calling terminal according to the access network type, the cell identifier, and the TAI of the calling terminal.

Optionally, when the calling operator server determines the original location identifier of the calling terminal according to the access network type, the cell identifier, and the TAI of the calling terminal, the calling operator server may determine the location information of the calling terminal from the pre-stored first corresponding relationship, and use the determined location information as the original location identifier; the first corresponding relation stores the corresponding relation among the type of the access network, the cell identification, the TAI and the position information of the calling terminal.

And S403, the calling operator server performs coding processing on the original position identifier to obtain a target position identifier.

The target position mark is a unified mark between the calling network and the called network.

Specifically, after the original location identifier of the calling terminal is determined according to the access network type, the cell identifier and the TAI of the calling terminal, the calling operator server performs coding processing on the original location identifier to obtain the target location identifier.

Optionally, when the calling operator server performs encoding processing on the original location identifier to obtain the target location identifier, the original location identifier may be encoded into a region location encoding format to obtain an encoded location identifier, and the encoded location identifier is added to the access network information PANI field in the session initiation protocol SIP message to obtain the target location identifier.

Optionally, the target location identifier further includes: at least one of a region location code, an area code, a city abbreviation, or a provincial label.

S404, the calling operator server adds the target position identification into the original call request to obtain a target call request, and sends the target call request to the called operator server, so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

Specifically, after the original position identifier is coded to obtain the target position identifier, the calling operator server adds the target position identifier to the original call request to obtain the target call request, and sends the target call request to the called operator server, so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

Optionally, when the calling operator server sends the target call request to the called operator server, the route of the target call request between the calling network and the called network may be determined from the second pre-stored correspondence, and the target call request may be sent to the called operator server according to the route of the target call request between the network and the called network.

The second corresponding relation stores the corresponding relation among the target call request, the telephone number mapping ENUM, the domain name system DNS, the calling network equipment and the called network equipment.

S405, the called operator server receives the target call request sent by the calling operator server.

The target call request comprises a target position identifier used for marking the position information of the calling terminal, and the target position identifier is a unified identifier between the calling network and the called network.

S406, the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

Specifically, after receiving a target call request sent by a calling operator server, a called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

S407, the called operator server establishes a communication link between the calling terminal, the called special service platform and the called terminal.

Specifically, after a called special service platform and a called terminal meeting preset conditions are determined according to a target call request, a called operator server establishes communication links among a calling terminal, the called special service platform and the called terminal.

Optionally, fig. 5 is a further communication system provided in the embodiment of the present application. The communication system includes: a calling network and a called network.

The calling network includes: a calling terminal 51, a calling core network device 52, a Session Border Controller (SBC) 53, a proxy-call session Control function (P-CSCF) device 54, a multimedia telephony application server (MMTEL AS)55, a service-call session Control function (S-CSCF) device 56, and an Interconnection Border Control Function (IBCF) device 57.

The called network includes: IBCF device 58, an inquiry call session control function (I-CSCF) device 59, a special service platform 60, and a called terminal 61.

With reference to fig. 5, as shown in fig. 6, an embodiment of the present application further provides a communication method, which includes the following steps S501 to S510.

S501, the calling terminal sends a call request to the SBC/P-CSCF through the calling core network device.

Specifically, the calling terminal initiates a call to the special service number started at 95/96/1/400/800 through the calling core network device at the visited place.

Optionally, when the calling terminal is a 4G terminal, the calling Core network device is a 4G Core network device (evolved Packet Core, EPC). When the calling terminal is a 5G terminal, the calling Core network device is a 5G Core network device (5G Core, 5 GC).

S502, the SBC/P-CSCF adds the position information of the calling terminal to the call request.

Specifically, after receiving a call request sent by a calling terminal, the SBC/P-CSCF extracts the location information of the calling terminal and translates the location information into a long distance area code and a location code.

Optionally, when the calling terminal is a 4G terminal, after receiving the call request of the calling terminal, the SBC/P-CSCF negotiates with the EPC to establish a dedicated bearer for voice (or voice + video). In this process, the EPC sends the calling terminal's current access network type (E-UTRAN) and location information (including TAI and ECGI) to the SBC/P-CSCF. SBCSBC/P-CSCF configures the corresponding relation between TAI (or ECGI) and long distance area code and area location code in one area code, and adds the information into PANI header field in SIP message according to local configuration, and writes into sbc-domain.

The format of the PANI header field in the SIP message is: regional position code, long distance area code, city of prefecture, provincial mark, im.

The format of the region position code (XXX) may be intra-operator code, or may be directly translated into uniform code between operator networks.

Optionally, when the calling terminal is a 5G terminal, after receiving the call request of the calling terminal, the SBC/P-CSCF negotiates with the 5GC to establish a voice (or voice + video) PDU session. In this process, the 5GC sends the current access network type (NR) and location information (including TAI and NCGI) of the calling terminal to the SBC/P-CSCF. The SBCSBC/P-CSCF configures the corresponding relation between TAI (or ECGI) and long distance area code and area location code in an area code, and adds the above information into PANI head field in SIP message according to local configuration, the specific format is the same as that of 4G terminal, and it is not repeated here.

It should be noted that the ECGI is composed of PLMN + Cell Identity, and is used to globally identify a Cell in the PLMN. The Cell Identity consists of EnodeB ID + Cell ID. A TA includes multiple cells, and a cell can only belong to a TA. PANI is P-Access-Network-INFO. And the < NCGI > < PLMN ID > < NR Cell ID >, which is composed of the PLMN ID and the NR Cell ID and is used for uniquely identifying a 5G NR Cell.

S503, the SBC/P-CSCF sends the call request to the MMTEL AS.

S504, the MMTEL AS encodes the position information of the calling terminal in the call request.

Specifically, the MMTEL AS first analyzes the called number and identifies the special service number whose called number is the head of 95/96/1/400/800. Then, the MMTEL AS extracts the long distance area code and area identification code of the current location of the calling subscriber from the sbc-domain field in the PANI, and performs a comparative analysis with the 95/96/1/400/800 called short number dialed by the calling subscriber, and then normalizes and transforms the 95/96/1/400/800 called short number.

Optionally, the MMTEL AS may specifically perform normalization and transformation on the short number includes:

when 95/96/1/400/800 called short number dialed by the calling subscriber, un-dialed long distance area number or dialed long distance area number is consistent with the long distance area number of the calling roaming place extracted from the calling network, the called number of the call is modified to be "< country code > + < long distance area number (without" 0 ") > < area location identification code (XXX) > < original called number >" or "< country code > + < long distance area number (without" 0 ") > < original called number > + < area code (YY) >).

Wherein: < long distance area code (without 0 ") > is the long distance area code of the calling UE roaming place extracted by the calling network.

Optionally, the region position code may be placed between the area code and the special service number, or after the special service number, and the length of the code may be changed according to the type and need of the special service number.

When 95/96/1 called short number dialed by the calling subscriber, the dialed long-distance area code is not consistent with the long-distance area code of the calling roaming place extracted from the calling network (namely, the calling subscriber dials the long-distance area code of the non-visiting place), the called number of the call is modified to be < country code > + < long-distance area code (without '0') + < original called number >).

Wherein: < long distance area code (without "0") > is the long distance area code that the caller has dialed, rather than extracting the long distance area code of the caller's roaming location from the caller's network.

Optionally, the MMTEL AS may also modify the called number of the call to "< country code > + < long distance area code (not containing" 0 ") > + < area location identity (XXX) > + < original called number >". Where XXX uses a specially reserved code to distinguish this area code from the area code that the user dials, e.g., XXX 000 or 999.

Optionally, the MMTEL AS may also modify the called number of the call to "< country code > + < long distance area number (without" 0 ") > + < original called number > + < area code (YY) >. Where YY uses a specially reserved code to distinguish the area code as the user-dialed area code, for example, YY 00 or 99.

Alternatively, when the MMTEL AS identifies the first special service number of the called party number 95/96/1/400/800, it is further preferable to arrange to identify whether the first special service number 95/96/1 is the special service number of the operator of the present invention or the special service number of another operator, and to perform classification tagging.

The identified special service number types can be processed differently for different special service numbers, so as to meet the requirements of different operators for inter-network charging and settlement, the requirement of long-distance settlement in the internal network of the operator, the requirement of different calling routing modes of called special service numbers for the operator and other operators, and the like.

For example, the following a-f different processing modes are available for the identified special service number category:

a. for the intelligent service access numbers such as the operator 400/800, a mode of not increasing the calling area code and the area code is adopted.

b. For accessing special service numbers of the operator 95/96/121/123/and the like, a mode of not increasing a calling area code and a region code or a mode of only increasing the region code (the special service numbers can be inserted before and after the special service numbers) is adopted.

c. For emergency call numbers such as 110/119/120 accessed to the operator, a method of not adding a calling area code and a region code or only adding a region code (the emergency call numbers can be inserted before or after special service numbers) is adopted.

d. For the intelligent service access numbers such as the other operators 400/800, a mode of only increasing the calling area code without increasing the area code or simultaneously increasing the area code or the area code is adopted.

e. For access to other operators 95/96/121/123/equal special service numbers: the method of adding calling area code only and not adding area code or area code at the same time is adopted.

f. For an emergency call number such as 110/119/120 accessing the operator: the method of increasing area code or area code is adopted.

And S505, the MMTEL AS adds the coded position information of the calling terminal into the call request and sends the call request added with the coded position information of the calling terminal to the S-CSCF.

S506, the S-CSCF determines the route between the calling network and the called network according to the call request after the position information of the calling terminal is added with the code.

Specifically, the S-CSCF queries ENUM/DNS to obtain the next route.

Optionally, for the called special service number and the area code of the special service number of other operators, a route is configured to a suitable gateway bureau IBCF. For example, < country code > + < long distance area code (not containing "0") > + < original called special service number (belonging to other operators, special service numbers of other operators added with area code and area identification code at S504) >, and return result of ENUM is configured as domain name and IP address of gateway office IBCF to which the long distance area code of the operator belongs.

Optionally, for the called special service number and the area code of the special service number of the operator, a route is configured to the I-CSCF of the operator to which the area code belongs, for example, < country code > + < the original called special service number (belonging to the operator) > (the special service number of the operator does not add the area code in S504), and the return result of ENUM is configured to be the I-CSCF domain name and the IP address of the operator to which the long-distance area code of the operator belongs.

It should be noted that ENUM/DNS should configure incoming data at the same time, so that when the IBCF of the local network receives the traffic forwarded by the IBCF of the other network, it queries the next route.

And S507, the S-CSCF sends the call request added with the coded position information of the calling terminal to the IBCF of the calling network according to the route between the calling network and the called network.

Specifically, the S-CSCF forwards the call of which the called special service number is the number of other operators to a gateway office IBCF of the operator or an I-CSCF of the operator according to the query result of the ENUM/DNS.

And S508, the IBCF of the calling network sends the call request added with the coded position information of the calling terminal to the IBCF of the called network.

Specifically, the IBCF of the calling network identifies the call carrying the location information of the called number, and transparently transmits (without interception and changing the called format) and switches to the gateway of the called operator, records the inter-network call record and the settlement ticket, and records the information of the called number, the called number (including the area code and the area code), the call duration, and the like in the ticket. Then, the I-CSCF configures called number analysis data, and routes the call to the special service number service platform of the operator according to the type of the called special service number.

It should be noted that the I-CSCF of the calling operator needs to receive an incoming call that the called number forwarded by another operator belongs to the special service number of the operator, and the called number of the incoming call has an area number and an area location code added thereto, so that the I-CSCF should configure the same special service number at the same time, and forward the call to the special service number service platform of the operator by using number analysis data with a long-distance area number and an area identification code.

S509, the IBCF of the called network sends the call request added with the coded position information of the calling terminal to the I-CSCF of the called network.

S510, the I-CSCF of the called network establishes a communication link among the calling terminal, the called special service platform and the called terminal according to the call request added with the coded position information of the calling terminal.

The application provides a communication method, when a calling operator server receives an original call request sent by a calling terminal, the calling operator server can acquire an access network type, a cell identifier (including ECGI or NCGI) and a TAI of the calling terminal, and determine an original position identifier of the calling terminal according to the access network type, the cell identifier and the TAI of the calling terminal. And then, the calling operator server carries out coding processing on the original position identification to obtain a target position identification. Subsequently, after the target call request is sent to the called operator server, because the target call request comprises the target position identification which is a uniform identification between the calling network and the called network, the called operator server can determine the called special service platform and the called terminal meeting the preset conditions according to the target call request, so that the condition that in the prior art, when a user corresponding to the calling terminal goes out to an area outside the home location of the calling terminal and dials a special service number, the called operator server accesses the called terminal corresponding to the special service number of the home location of the calling terminal is avoided, and the user experience is improved.

The scheme provided by the embodiment of the application is mainly introduced from the perspective of a method. In order to implement the above functions, it includes a hardware structure and/or a software module for performing each function. Those of skill in the art would readily appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as hardware or combinations of hardware and computer software. Whether a function is performed in hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiment of the present application, functional modules of the apparatus may be divided according to the above method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. Optionally, the division of the modules in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.

Fig. 7 shows a schematic composition diagram of a communication device. The communication means may be adapted to perform the functions of the calling network device in the above embodiments. As one implementation manner, the communication apparatus shown in fig. 7 is applied to a calling network device, and includes: an acquisition unit 701, a determination unit 702, a processing unit 703, and a transmission unit 704.

An obtaining unit 701, configured to obtain an access network type, a cell identifier, and a tracking area identifier TAI of a calling terminal when receiving an original call request sent by the calling terminal. The cell identifier includes: a fourth generation mobile communication technology 4G cell global identity ECGI or a fifth generation mobile communication technology 5G cell global identity NCGI. For example, in conjunction with fig. 4, the acquisition unit 701 is configured to perform S401.

A determining unit 702, configured to determine an original location identifier of the calling terminal according to the access network type, the cell identifier, and the TAI of the calling terminal. For example, in connection with fig. 4, the determining unit 702 is configured to perform S402.

A processing unit 703, configured to perform encoding processing on the original location identifier to obtain a target location identifier; the target location identification is a unified identification between the calling network and the called network. For example, in conjunction with fig. 4, the processing unit 703 is configured to execute S403.

A sending unit 704, configured to add the target location identifier to the original call request to obtain a target call request, and send the target call request to the called operator server, so that the called operator server determines, according to the target call request, a called special service platform and a called terminal that meet preset conditions. For example, in conjunction with fig. 4, the sending unit 704 is configured to execute S404.

Optionally, the determining unit 702 is specifically configured to: determining the position information of the calling terminal from a first corresponding relation stored in advance, and taking the determined position information as an original position identifier; the first corresponding relation stores the corresponding relation among the type of the access network, the cell identification, the TAI and the position information of the calling terminal.

Optionally, the processing unit 703 is specifically configured to: encoding the original position identification into a region position encoding format to obtain an encoded position identification; and adding the coded position identification into an access network information PANI field in a Session Initiation Protocol (SIP) message to obtain a target position identification.

Optionally, the sending unit 704 is specifically configured to: determining the route of the target call request between the calling network and the called network from the pre-stored second corresponding relation; the second corresponding relation stores the corresponding relation among the target call request, the telephone number mapping ENUM, the domain name system DNS, the calling network equipment and the called network equipment; and sending the target call request to a called operator server according to the route of the target call request between the network and the called network.

Fig. 8 shows a schematic block diagram of yet another communication apparatus. The communication means may be adapted to perform the functions of the called network device in the above embodiments. As one implementation manner, the communication apparatus shown in fig. 8 is applied to a called network device, and includes: a receiving unit 801, a determining unit 802 and a establishing unit 803.

A receiving unit 801, configured to receive a target call request sent by a calling operator server; the target call request comprises a target position identifier used for marking the position information of the calling terminal; the target location identification is a unified identification between the calling network and the called network. For example, in conjunction with fig. 4, the receiving unit 801 is configured to perform S405.

A determining unit 802, configured to determine, according to the target call request, a called special service platform and a called terminal that meet preset conditions. For example, in connection with fig. 4, the determining unit 802 is configured to perform S406.

The establishing unit 803 is configured to establish a communication link between the calling terminal, the called special service platform, and the called terminal. For example, in conjunction with fig. 4, the receiving unit 801 is configured to perform S407.

Embodiments of the present application further provide a computer-readable storage medium, which includes computer-executable instructions. When the computer executes the instructions to run on the computer, the computer is enabled to execute the steps executed by the calling network device or the called network device in the communication method provided by the embodiment.

The embodiments of the present application further provide a computer program product, where the computer program product is directly loadable into a memory and contains software codes, and the computer program product is loaded and executed by a computer, so as to implement the steps executed by the calling network device or the called network device in the communication method provided by the foregoing embodiments.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented using a software program, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. The processes or functions according to the embodiments of the present application are generated in whole or in part when the computer-executable instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. Computer-readable storage media can be any available media that can be accessed by a computer or can comprise one or more data storage devices, such as servers, data centers, and the like, that can be integrated with the media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.

In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules or units is only one logical function division, and there may be other division ways in actual implementation. For example, various elements or components may be combined or may be integrated into another device, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, may be located in one place, or may be distributed to a plurality of different places. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may also be implemented in the form of a software functional unit. The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a readable storage medium. Based on such understanding, the technical solutions of the embodiments of the present application, or portions thereof, which substantially contribute to the prior art, or all or portions thereof, may be embodied in the form of a software product, where the software product is stored in a storage medium and includes several instructions for enabling a device (which may be a single chip, a chip, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A communication method applied to a calling operator server is characterized by comprising the following steps:

when an original call request sent by a calling terminal is received, acquiring an access network type, a cell identifier and a Tracking Area Identifier (TAI) of the calling terminal; the cell identification comprises: a fourth generation mobile communication technology 4G cell global identity ECGI or a fifth generation mobile communication technology 5G cell global identity NCGI;

determining an original position identifier of the calling terminal according to the access network type, the cell identifier and the TAI of the calling terminal;

coding the original position identification to obtain a target position identification; the target position identification is a unified identification between a calling network and a called network;

and adding the target position identifier into the original call request to obtain a target call request, and sending the target call request to a called operator server, so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

2. The communication method according to claim 1, wherein the determining the original location identity of the calling terminal according to the access network type, the cell identity, and the TAI of the calling terminal comprises:

determining the position information of the calling terminal from a first pre-stored corresponding relation, and taking the determined position information as the original position identifier; the first corresponding relation stores the corresponding relation among the access network type, the cell identification, the TAI and the position information of the calling terminal.

3. The communication method according to claim 1, wherein said encoding the original location identifier to obtain a target location identifier comprises:

coding the original position identification into a region position coding format to obtain a coded position identification;

and adding the coded position identifier into an access network information PANI field in a Session Initiation Protocol (SIP) message to obtain the target position identifier.

4. The communication method of claim 3, wherein the target location identification further comprises: at least one of a region location code, area code, city of land abbreviation, or provincial label.

5. The communication method according to claim 1, wherein the sending the target call request to the called operator server comprises:

determining a route of the target call request between the calling network and the called network from a second corresponding relation stored in advance; the second corresponding relation stores the corresponding relation among the target call request, the telephone number mapping ENUM, the domain name system DNS, the calling network equipment and the called network equipment;

sending the target call request to the called operator server according to the route of the target call request between the network and the called network.

6. A communication method applied to a called operator server is characterized by comprising the following steps:

receiving a target call request sent by a calling operator server; the target call request comprises a target position identifier used for marking the position information of the calling terminal; the target position identification is a unified identification between a calling network and a called network; the calling operator server is used for acquiring the access network type, the cell identifier and the TAI of the calling terminal, and determining the original position identifier of the calling terminal according to the access network type, the cell identifier and the TAI of the calling terminal; the target position identification is obtained by coding the original position identification by the calling operator server; the cell identification comprises: 4G ECGI or 5G NCGI;

determining a called special service platform and a called terminal which meet preset conditions according to the target call request;

and establishing a communication link among the calling terminal, the called special service platform and the called terminal.

7. A communication apparatus for a caller operator server, comprising: the device comprises an acquisition unit, a determination unit, a processing unit and a sending unit;

the acquiring unit is used for acquiring the access network type, the cell identifier and the TAI of the calling terminal when receiving an original call request sent by the calling terminal; the cell identification comprises: 4G ECGI or 5G NCGI;

the determining unit is configured to determine an original location identifier of the calling terminal according to the access network type of the calling terminal, the cell identifier, and the TAI;

the processing unit is used for coding the original position identification to obtain a target position identification; the target position identification is a unified identification between a calling network and a called network;

the sending unit is used for adding the target position identification into the original call request to obtain a target call request, and sending the target call request to a called operator server, so that the called operator server determines a called special service platform and a called terminal which meet preset conditions according to the target call request.

8. The communication apparatus according to claim 7, wherein the determining unit is specifically configured to:

9. The communication device according to claim 7, wherein the processing unit is specifically configured to:

10. The communications apparatus of claim 9, wherein the target location identification further comprises: at least one of a region location code, area code, city of land abbreviation, or provincial label.

11. The communications apparatus as claimed in claim 7, wherein the sending unit is specifically configured to:

12. A communication device for a called operator server, comprising: the device comprises a receiving unit, a determining unit and a establishing unit;

the receiving unit is used for receiving a target call request sent by a calling operator server; the target call request comprises a target position identifier used for marking the position information of the calling terminal; the target position identification is a unified identification between a calling network and a called network; the calling operator server is used for acquiring an access network type, a cell identifier and a TAI of the calling terminal, and determining an original position identifier of the calling terminal according to the access network type, the cell identifier and the TAI of the calling terminal; the target position identification is obtained by coding the original position identification by the calling operator server; the cell identification comprises: 4G ECGI or 5G NCGI;

the determining unit is used for determining a called special service platform and a called terminal which meet preset conditions according to the target call request;

the establishing unit is used for establishing a communication link among the calling terminal, the called special service platform and the called terminal.

13. A communication device comprising a memory and a processor; the memory is used for storing computer execution instructions, and the processor is connected with the memory through a bus;

the processor executes the computer-executable instructions stored by the memory to cause the communication device to perform the communication method of any one of claims 1-5 or 6 when the communication device is running.

14. A computer-readable storage medium, comprising computer-executable instructions that, when executed on a computer, cause the computer to perform the communication method of any one of claims 1-5 or 6.