CN110290516A - Communication means, Interconnected Border control function entity and the communication system of international roaming - Google Patents
Communication means, Interconnected Border control function entity and the communication system of international roaming Download PDFInfo
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- CN110290516A CN110290516A CN201910591522.6A CN201910591522A CN110290516A CN 110290516 A CN110290516 A CN 110290516A CN 201910591522 A CN201910591522 A CN 201910591522A CN 110290516 A CN110290516 A CN 110290516A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
- H04W8/28—Number portability ; Network address portability
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- Computer Networks & Wireless Communication (AREA)
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- Databases & Information Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of communication means of international roaming, wherein the communication means includes: to inquire in response to the first calling message request the first called number in the first calling message request;Turn the query result of net and the roaming information of first called number in response to receiving the first called number number of taking, the Interconnected Border control function entity for the operator that the first called number of Xiang Suoshu is gone to sends signaling message.The present invention also provides a kind of Interconnected Border control function entity and a kind of communication systems.In the communication means, subsequent signaling is directly sent to the Internet boundaries control function entity for the operator that the first called number is gone to by the Internet boundaries control function entity of operator belonging to the first calling number, reduce intermediate routing, so as to more preferable, more stably realization call, user experience is promoted.
Description
Technical field
The present invention relates to a kind of communication means of international roaming, a kind of Interconnected Border control function for realizing the communication means
Entity and a kind of communication system including the Interconnected Border control function entity.
Background technique
With the development of science and technology, terminal (such as mobile phone) is at the requirement in people's life.
And the continuous promotion with people to quality of the life, there is higher requirement to consumption experience.
In the prior art, carrier network (connection, movement, telecommunications) turns net policy by implementing the number of taking, to improve people
Consumption experience.Therefore, normal communication of the user after the number of taking turns net how is realized, the technology for becoming urgently to be resolved at present is asked
Topic.
Summary of the invention
The purpose of the present invention is to provide a kind of communication means of international roaming, a kind of interconnection side for realizing the communication means
Boundary's control function entity and a kind of communication system including the Interconnected Border control function entity.Pass through the logical of the international roaming
The international roaming call that the number of taking turns network users may be implemented in letter method.
To achieve the goals above, as the first aspect of the invention, a kind of communication means of international roaming is provided,
In, the communication means includes:
In response to the first calling message request, the first called number in the first calling message request is inquired;
Turn the query result and first called number of net in response to receiving the first called number number of taking
The Interconnected Border control function entity of roaming information, the operator that the first called number of Xiang Suoshu is gone to sends signaling message.
Preferably, to first calling message request kind the first called number inquire the step of include:
Obtain the name authority pointer record in telephone number mapping server/domain name system;
Initial carrier belonging to first called number is determined by name authority pointer record;
Inquiring first called number to initial carrier belonging to first called number, whether the number of taking turns net.
Preferably, the communication means further include:
In response to the second message request that the Interconnected Border control function entity of the second calling number issues, this second is invited
Please information be sent to the operator that the second called number involved in second message request is gone to Interconnected Border control function
It can entity.
Preferably, the communication means further include:
The third invitation letter sent in response to the Interconnected Border control function entity of the initial carrier of third called number
Breath, is sent to international gateway server for the third message request.
As the second aspect of the invention, a kind of Interconnected Border control function entity is provided, wherein the Interconnected Border
Control function entity includes:
Enquiry module, the enquiry module is used in response to the first calling message request, in the first calling message request
The first called number inquired, and generate query result;
Signaling sending module, the signaling sending module are used to turn net in response to receiving the first called number number of taking
Query result and first called number roaming information, the operator that the first called number of Xiang Suoshu is gone to it is mutual
Join boundary Control functional entity and sends signaling message.
Preferably, the enquiry module includes:
Pointer record query unit, the pointer record query unit is for obtaining telephone number mapping server/domain name
Name authority pointer record in system;
Initial carrier determination unit, the initial carrier determination unit by the name authority pointer for being recorded
Determine initial carrier belonging to first called number;
Turn net determination unit, the net determination unit that turns to initial carrier belonging to first called number for looking into
Asking first called number, whether the number of taking turns net, and generates the query result.
Preferably, the calling message request forwarding module is also used to the Interconnected Border control in response to the second calling number
Second message request is sent to the second quilt involved in second message request by the second message request that functional entity issues
The Interconnected Border control function entity for the operator that code of calling out the numbers is gone to.
Preferably, the calling message request forwarding module is also used to the initial carrier in response to third called number
The third message request that Interconnected Border control function entity is sent, is sent to international gateway service for the third message request
Device.
As the second aspect of the invention, a kind of communication system is provided, the communication system includes multiple operators
Interconnected Border control function entity, the international gateway server of multiple operators, the interactive function control of multiple operators are real
The home location register of body and multiple operators, wherein the Interconnected Border control function entity is provided by the present invention
Above-mentioned Interconnected Border control function entity;
The interactive function controlled entity for the operator that first called number is gone to is for receiving described first
After first message request that the interactive function entity of the initial registration operator of called number is sent, described first is called
Message request is sent to the international gateway server for the operator that first called number is gone to, and described first is called
The operator that the interactive function controlled entity for the operator that number is gone to is also used to be gone to first called number
Home location register sends the information for inquiring the current location of first called number, and obtains first called number
Roaming information;
The international gateway server is used in response to the first calling message request and first called number
Roaming information the first calling message request be sent to the international of country that first called number is presently in close
Mouth office, to establish carrying.
Preferably, the communication system further includes telephone number mapping server/domain name system,
The interactive function control for the operator that the pointer record query unit is used to be gone to first called number
Entity processed sends inquiry request;
The interactive function controlled entity for the operator that first called number is gone to is used in response to inquiring described the
The inquiry request of one called number sends the inquiry request to the telephone number mapping server/domain name system;
It includes described first that the telephone number mapping server/domain name system, which is used to generate in response to the inquiry request,
The name authority pointer of called number records, and is sent to the interactive function control for the operator that first called number is gone to
Entity processed;
The interactive function controlled entity for the operator that first called number is gone to is also used to the Naming Authority
Pointer record is sent to the pointer record query unit.
Communication means provided by the present invention by operator Interconnected Border control function (IBCF, Interconnection
Border Control Functions) performed by entity.
When the Interconnected Border control function entity of operator receives the first calling message request, and indirect led to
Letter switching, but whether the first called number involved in inquiry the first calling message request handled the number of taking and turns network service.
When showing that the first called number handled the number of taking and turn network service and when in international roaming state in query result,
The first calling message request can be sent to first called number and go to what first called number was gone to
Operator, positioned at first called number be currently located ground the Internet boundaries control function entity.
When the first calling number calls the first called number, inquire whether the first called number handled the number of taking turn first
Whether network service and the first called number are in international roaming state.Determined the first called number the number of taking turn net and
When first called number is in international roaming state, the Internet boundaries control function of operator belonging to the first calling number is real
Subsequent signaling is directly sent to the Internet boundaries control function entity for the operator that the first called number is gone to by body, is not required to
To reduce centre in the network element of the Internet boundaries control function entity of the initial registration operator by the first called number
Routing, so as to it is more preferable, more stably realize call, promote user experience.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart of communication means provided by the present invention;
Fig. 2 is a kind of preferred embodiment of step S110 in Fig. 1 in the flow chart of communication means;
Fig. 3 is the module diagram of Interconnected Border control function entity provided by the present invention;
Fig. 4 is the module diagram of communication system provided by the present invention.
Description of symbols
310: enquiry module 311: pointer record query unit
312: initial carrier determination unit 313: turning net determination unit
320: signaling sending module
The Interconnected Border control function entity of 411: the first operators
The Interconnected Border control function entity of 412: the second operators
413: the Interconnected Border control function entity of third operator
430: telephone number mapping server/domain name system
The interactive function controlled entity of 421: the first operators
The interactive function controlled entity of 422: the second operators
423: the interactive function controlled entity of third operator
The international gateway server of 441: the first operators
The international gateway server of 442: the second operators
443: the international gateway server of third operator
The home location register of 451: the first operators
The home location register of 452: the second operators
453: the home location register of third operator
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As one aspect of the present invention, a kind of communication means of international roaming is provided, wherein as shown in Figure 1, described logical
Letter method includes:
In step s 110, in response to the first calling message request, to the first called number in the first calling message request
Code is inquired;
In the step s 120, turn the query result and described the of net in response to receiving the first called number number of taking
The roaming information of one called number, the operator that the first called number of Xiang Suoshu is gone to, be located at first called number
The Interconnected Border control function entity for being currently located ground sends signaling message.
Communication means provided by the present invention by operator Interconnected Border control function (IBCF, Interconnection
Border Control Functions) performed by entity.
When the Interconnected Border control function entity of operator receives the first calling message request, and indirect led to
Letter switching, but whether the first called number involved in inquiry the first calling message request handled the number of taking and turns network service.
When showing that the first called number handled the number of taking and turn network service and when in international roaming state in query result,
The first calling message request can be sent to first called number and go to what first called number was gone to
Operator, positioned at first called number be currently located ground the Internet boundaries control function entity.
When the first calling number calls the first called number, inquire whether the first called number handled the number of taking turn first
Whether network service and the first called number are in international roaming state.Determined the first called number the number of taking turn net and
When first called number is in international roaming state, the Internet boundaries control function of operator belonging to the first calling number is real
Subsequent signaling is directly sent to the Internet boundaries control function entity for the operator that the first called number is gone to by body, is not required to
To reduce centre in the network element of the Internet boundaries control function entity of the initial registration operator by the first called number
Routing, so as to it is more preferable, more stably realize call, promote user experience.
In the present invention, special restriction is not done to how executing step S110.As a preferred implementation manner, such as
Shown in Fig. 2, step S110 may include:
In step S111, the Naming Authority obtained in telephone number mapping server/domain name system (eNUM/DNS) refers to
Needle record;
In step S112, initial fortune belonging to first called number is determined by name authority pointer record
Seek quotient;
In step S113, initial carrier belonging to the first called number of Xiang Suoshu, which inquires first called number, is
The no number of taking turns net.
Telephone number, which is hinted obliquely at, is stored with name authority pointer record in server/domain name system, name authority pointer note
The current affiliated carrier network of all phone numbers home registered is recorded in record.
It should be pointed out that step S111 can be executed by the following method:
The first calling message request is sent to the IBCF entity of the initial carrier of the first called number;
First calling message request is sent to the call session control of the initial carrier by the IBCF entity of initial carrier
Function (CSCF, Call Session Control Function) entity processed, which can be to the telephone number shadow
It penetrates server/domain name system and sends query information, and obtain the name authority pointer record.
When the Interconnected Border control function that Interconnected Border control function entity is operator belonging to the first calling number is real
When body, which executes step S110 and step S120 when receiving the first calling message request.
It, can when Interconnected Border functional entity of the Interconnected Border control function entity for operator belonging to called number
The message request received is responded.
Correspondingly, the communication means can also include:
In response to the second message request that the Interconnected Border control function entity of the second calling number issues, this second is invited
Please information be sent to the operator that the second called number involved in second message request is gone to Interconnected Border control function
It can entity.
When the Interconnected Border of the operator for the operator that the Interconnected Border control function entity is gone to by called number
When control function entity, which can invite the world for being sent to the operator to cross mouth office calling
Server.
Correspondingly, the communication means can also include:
The third invitation letter sent in response to the Interconnected Border control function entity of the initial carrier of third called number
Breath, is sent to international gateway server for the third message request.
As the second aspect of the invention, a kind of Interconnected Border control function entity is provided, in spy, as shown in figure 3,
The Interconnected Border control function entity includes enquiry module 310 and signaling sending module 320.
Enquiry module 310 is for executing step S110, that is, and enquiry module 310 is used in response to the first calling message request,
The first called number in first calling message request is inquired.
Signaling sending module 320 is for executing step S120, that is, signaling sending module 320 is used in response to receiving
It states the first called number number of taking and turns the query result of net and the roaming information of first called number, Xiang Suoshu first is called
The Interconnected Border control function entity for the operator that number is gone to sends the first calling message request.
The Interconnected Border control function entity is for executing above-mentioned communication means provided by the present invention, above
The working principle and beneficial aspects of the communication means is described in detail, which is not described herein again.
As a kind of specific embodiment, enquiry module 310 may include pointer record query unit 311, initial carrier
Quotient's determination unit 312 and turn net determination unit 313.
Pointer record query unit 311 is for executing step S111, that is, pointer record query unit 311 is used for phone
Number mapping server inquires the name authority pointer record of first called number.
Initial carrier determination unit 312 is for executing step S112, that is, initial carrier determination unit 312 is for leading to
It crosses the name authority pointer record and determines initial carrier belonging to first called number.
Turn net determination unit 313 for executing step S113, that is, turn net determination unit 313 for called to described first
Initial carrier belonging to number inquires first called number, and whether the number of taking turns net.
Preferably, calling message request forwarding module 320 is also used to the Interconnected Border control in response to the second calling number
Second message request is sent to the second quilt involved in second message request by the second message request that functional entity issues
The Interconnected Border control function entity for the operator that code of calling out the numbers is gone to.
Preferably, calling message request forwarding module 320 is also used to the initial carrier in response to third called number
The third message request that Interconnected Border control function entity is sent, is sent to international gateway service for the third message request
Device.
As the third aspect of the invention, a kind of communication system is provided, as shown in figure 4, the communication system includes more
The session of the Interconnected Border control function entity, the international gateway server, multiple operators of multiple operators of a operator
Function control entity, wherein the Interconnected Border control function entity is that above-mentioned Interconnected Border provided by the present invention controls function
It can entity.
The interactive function controlled entity for the operator that first called number is gone to is for receiving described first
After first message request that the interactive function entity of the initial registration operator of called number is sent, described first is called
Message request is sent to the international gateway server for the operator that first called number is gone to, and described first is called
The operator that the interactive function controlled entity for the operator that number is gone to is also used to be gone to first called number
Home location register sends the information for inquiring the current location of first called number, and obtains first called number
Roaming information;
The international gateway server is used in response to the first calling message request and first called number
Roaming information the first calling message request be sent to the international of country that first called number is presently in close
Mouth office, to establish carrying.
The working principle of the communication system is introduced below with reference to a kind of specific embodiment.
In the specific embodiment shown in Fig. 4, the communication system includes the Interconnected Border control of the first operator
Functional entity 411, the Interconnected Border control function entity 412 of the second operator, third operator Interconnected Border control function
Entity 413, the interactive function controlled entity 421 of the first operator, the interactive function controlled entity 422 of the second operator, third
The interactive function controlled entity 423 of operator, the international gateway server 441 of the first operator, the second operator the world
The home location register of gateway exchange server 442 and the international gateway server 443 of third operator, the first operator
451, the home location register 453 of the home location register 452 of the second operator and third operator.
In the present invention, the first calling number belongs to the first operator.The called terminal of first called number is gone abroad roaming,
And register the domain IP multimedia subsystem (IMS, IP Multimedia Subsystem) for the operator that goes abroad.First called number
The initial carrier of code is the second operator.
The first calling number of the VoLTE user of first operator initiates the calling to the first called number at home, the
Calling invitation (INVITE) information is sent to the interconnection side of first operator by the conversation control function entity 421 of one operator
Boundary's control function entity 411 and the Interconnected Border control function entity 412 of the second operator;
The Interconnected Border control function entity 412 of second operator inquires whether the first called number handled the number of taking turn
Net, and query result is sent to the Interconnected Border control function entity 411 of the first operator;
When query result shows the first called number the number of taking turns net to third operator when, the interconnection of the second operator
The Interconnected Border control function entity 413 for being sent to third operator is invited in calling by boundary Control functional entity 412;
Calling message request is sent to the meeting of third operator by the Interconnected Border control function entity 413 of third operator
Talk about function control entity 423;
The interactive function controlled entity 423 of third operator inquires 453 in the home location register of the third operator
The current location information (judging whether to roam) of first called number;
When the first called number is in international roaming state, the interactive function controlled entity 423 of third operator is by institute
State the international gateway server 443 that calling message request is sent to third operator;
First invitation message is sent to the international of external operator and closed by the international gateway server 443 of third operator
Mouth office server, and establish and carry with the international gateway server of external operator;
Subsequent signaling is sent to the interconnection side of third operator by the Interconnected Border control function entity 411 of the first operator
Boundary's control function entity 413.
As mentioned above it is possible, the network element of the first operator and the network element of third operator are directly established and contacted, do not need
Using the network element of the second operator, reduce intermediate routing.
Preferably, as shown in figure 4, the communication system further includes telephone number mapping server/domain name system 430.
The interactive function control for the operator that the pointer record query unit is used to be gone to first called number
Entity processed sends inquiry request;The interactive function controlled entity for the operator that first called number is gone to be used in response to
The inquiry request for inquiring first called number sends described look into the telephone number mapping server/domain name system 430
Ask request;It includes described first that the telephone number mapping server/domain name system, which is used to generate in response to the inquiry request,
The name authority pointer of called number records, and is sent to the interactive function control for the operator that first called number is gone to
Entity processed;The interactive function controlled entity for the operator that first called number is gone to is also used to refer to the Naming Authority
Needle record is sent to the pointer record query unit.
In the present invention, it when calling number is VoLTE user, before incoming call, needs to complete following below scheme:
When the user terminal of calling number initiates calling, Xiang Jizhan initiating business request message;
Operator from base station to calling number management entity forwarding service request message;
According to the strategy of operator, security process can be executed;
The management entity of the operator of calling number establishes request Concurrency to base station initiation wireless connection and user terminal is sent to disappear
Breath;
Relevant radio bearer is established in base station;
The user terminal of calling number sends upstream data invitation message to base station;
Base station forwards invitation message to gateway;Gateway forwarding invitation message is sent to proxy gateway;
Gateway forwards invitation message to call conversation control function entity;
Base station, which replys to be wirelessly connected to mobile management entity, establishes request response;
The management entity of the operator of calling number sends bearing modification message to gateway, and gateway hereafter can be with
Downlink data is sent to base station;
Gateway is based on subscription situation and decides whether to initiate bearing modification process to proxy gateway;
Proxy gateway replys bearing modification response message to gateway;
Gateway replys bearing modification response message to the management entity of the operator of calling number.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of communication means of international roaming, which is characterized in that the communication means includes:
In response to the first calling message request, the first called number in the first calling message request is inquired;
The roaming for turning the query result and first called number of net in response to receiving the first called number number of taking
The Interconnected Border control function entity of information, the operator that the first called number of Xiang Suoshu is gone to sends signaling message.
2. communication means according to claim 1, which is characterized in that the first called number of the first calling message request kind
Code the step of being inquired includes:
Obtain the name authority pointer record in telephone number mapping server/domain name system;
Initial carrier belonging to first called number is determined by name authority pointer record;
Inquiring first called number to initial carrier belonging to first called number, whether the number of taking turns net.
3. communication means according to claim 1 or 2, which is characterized in that the communication means further include:
In response to the second message request that the Interconnected Border control function entity of the second calling number issues, by second invitation letter
The Interconnected Border control function that breath is sent to the operator that the second called number involved in second message request is gone to is real
Body.
4. communication means according to claim 1 or 2, which is characterized in that the communication means further include:
It, will in response to the third message request that the Interconnected Border control function entity of the initial carrier of third called number is sent
The third message request is sent to international gateway server.
5. a kind of Interconnected Border control function entity, which is characterized in that the Interconnected Border control function entity includes:
Enquiry module, the enquiry module is used in response to the first calling message request, to the in the first calling message request
One called number is inquired, and generates query result;
Signaling sending module, the signaling sending module are used to turn looking into for net in response to receiving the first called number number of taking
Ask the roaming information of result and first called number, the interconnection side for the operator that the first called number of Xiang Suoshu is gone to
Boundary's control function entity sends signaling message.
6. Interconnected Border control function entity according to claim 5, which is characterized in that the enquiry module includes:
Pointer record query unit, the pointer record query unit is for obtaining telephone number mapping server/domain name system
In name authority pointer record;
Initial carrier determination unit, the initial carrier determination unit are used to record by the name authority pointer and determine
Initial carrier belonging to first called number;
Turn net determination unit, the net determination unit that turns is for inquiring institute to initial carrier belonging to first called number
Stating the first called number, whether the number of taking turns net, and generates the query result.
7. Interconnected Border control function entity according to claim 5 or 6, which is characterized in that the calling message request
The second message request that forwarding module is also used to issue in response to the Interconnected Border control function entity of the second calling number should
Second message request is sent to the Interconnected Border for the operator that the second called number involved in second message request is gone to
Control function entity.
8. Interconnected Border control function entity according to claim 5 or 6, which is characterized in that the calling message request
Forwarding module is also used to the third sent in response to the Interconnected Border control function entity of the initial carrier of third called number
The third message request is sent to international gateway server by message request.
9. a kind of communication system, the communication system includes the Interconnected Border control function entity of multiple operators, multiple operations
The home location register of the international gateway server of quotient, the interactive function controlled entity of multiple operators and multiple operators
Device, which is characterized in that the Interconnected Border control function entity is Interconnected Border described in any one of claim 5 to 8
Control function entity;
The interactive function controlled entity for the operator that first called number is gone to is used for receive described first called
After first message request that the interactive function entity of the initial registration operator of number is sent, first calling is invited
Information is sent to the international gateway server for the operator that first called number is gone to, and first called number
The ownership for the operator that the interactive function controlled entity of the operator gone to is also used to be gone to first called number
Location register sends the information for inquiring the current location of first called number, and obtains the unrestrained of first called number
Swim information;
The international gateway server is used in response to the unrestrained of the first calling message request and first called number
The first calling message request is sent to the international gateway for the country that first called number is presently in by trip information,
To establish carrying.
10. communication system according to claim 9, which is characterized in that the communication system further includes telephone number mapping
Server/domain name system, the Interconnected Border control function entity are that Interconnected Border control function as claimed in claim 6 is real
Body,
The interactive function control for the operator that the pointer record query unit is used to be gone to first called number is real
Body sends inquiry request;
The interactive function controlled entity for the operator that first called number is gone to is used in response to inquiring first quilt
The inquiry request of code of calling out the numbers sends the inquiry request to the telephone number mapping server/domain name system;
It includes described first called that the telephone number mapping server/domain name system, which is used to generate in response to the inquiry request,
The name authority pointer of number records, and the interactive function control for being sent to the operator that first called number is gone to is real
Body;
The interactive function controlled entity for the operator that first called number is gone to is also used to the name authority pointer
Record is sent to the pointer record query unit.
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CN109639717A (en) * | 2019-01-04 | 2019-04-16 | 中国联合网络通信集团有限公司 | The number of taking turns the communication means of net, Calling Side/callee side Service control point server |
CN109802958A (en) * | 2019-01-04 | 2019-05-24 | 中国联合网络通信集团有限公司 | Communication means, service control point/server and Media Gateway Control Function entity |
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