CN107135132A - A kind of network intercommunication method and network entity, controlled entity - Google Patents
A kind of network intercommunication method and network entity, controlled entity Download PDFInfo
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- CN107135132A CN107135132A CN201610108468.1A CN201610108468A CN107135132A CN 107135132 A CN107135132 A CN 107135132A CN 201610108468 A CN201610108468 A CN 201610108468A CN 107135132 A CN107135132 A CN 107135132A
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- information
- request
- called subscriber
- inquiry
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
- H04L12/4645—Details on frame tagging
- H04L12/4666—Operational details on the addition or the stripping of a tag in a frame, e.g. at a provider edge node
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- Computer Networks & Wireless Communication (AREA)
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention discloses a kind of network intercommunication method, including：Receive the routing inquiry request of the first Interconnected Border controlled entity transmission；The inquiry request that the routing inquiry request generates for the first Interconnected Border controlled entity according to the communication request of calling subscribe；The communication request is used to ask to be communicated with called subscriber；According to the routing inquiry request, number one segment information corresponding with the routing inquiry request is obtained；The number one segment information characterizes number section information corresponding with the called subscriber；Inquiry the first construction domain-name information corresponding with the number one segment information；The routing iinformation of called subscriber, is communicated to connect so that the calling subscribe sets up with the called subscriber according to the described first construction domain name acquisition of information.The embodiment of the invention also discloses a kind of network entity, controlled entity.
Description
Technical field
The present invention relates to interconnection technology, more particularly to a kind of network intercommunication method and network entity, control
Entity.
Background technology
Existing Interworking Scheme due to exist agreement that circuit domain (CS domains) is interconnected between network (IP,
Internet Protocol) IP multimedia subsystem, IMS (IMS, IP Multimedia Subsystem) domain, i.e. IMS
Two, domain intercommunication node, causes the presence of routing problem；Current international standard defines reflects for telephone number
Penetrate (ENUM, E.164Number URI Mapping) inquiry+OB's (Originating Breakout)
Pattern, specifically, is asked as shown in figure 1, the corresponding calling subscribes of operator A send inquiry to ENUM
Ask, the routing iinformation of requesting query called subscriber, the Query Result that operator A feeds back according to ENUM,
The information such as called operator, called ability is routed, to determine being to select IMS domain intercommunication also
It is CS domains intercommunication mode；Such as the Query Result choosing that Fig. 1 is shown in solid, and operator A feeds back according to ENUM
IMS domain intercommunication is taken, that is, passes through IMS network side interface (NNI, Network Node Interface or Network
To Network Interface) operator B corresponding with called subscriber communicated.Here, in practical application
In, the Query Result that operator A can also feed back according to ENUM chooses CS domain intercommunications, such as Fig. 1 dotted lines
It is shown.
But, in actual applications, operator A needs to get by multistage ENUM inquiries
The routing iinformation of operator B corresponding to called subscriber, for example, operator A passes sequentially through the first regional institute
The corresponding second level (Tier2) ENUM, the first order (Tier1) ENUM, base level (Tier0) ENUM,
And second base level (Tier0) ENUM corresponding to area, the first order (Tier1) ENUM, second
Level (Tier2) ENUM can get the routing iinformation of the operator B corresponding to called subscriber；This is looked into
There is following defect in inquiry process：(1) national level aspect, i.e. Tier1 is not present in most of country at present
The ENUM of aspect, and build slow；(2) some operators for the aspects such as safety, interests consideration,
It is reluctant to open mutually looking between ENUM；3) flow of ENUM inquiries is excessively complicated, and international inquiry be by
User inquires about, efficiency is low, when extend.
The content of the invention
To solve existing technical problem, the embodiments of the invention provide a kind of network intercommunication method and net
Network entity, controlled entity.
What the technical scheme of the embodiment of the present invention was realized in：
The embodiments of the invention provide a kind of network intercommunication method, applied to inquiry network entity；Methods described
Including：
Receive the routing inquiry request of the first Interconnected Border controlled entity transmission；The routing inquiry request is institute
State the inquiry request that the first Interconnected Border controlled entity is generated according to the communication request of calling subscribe；It is described logical
Letter request is used to ask to be communicated with called subscriber；
According to the routing inquiry request, number one segment information corresponding with the routing inquiry request is obtained；
The number one segment information characterizes number section information corresponding with the called subscriber；
Inquiry the first construction domain-name information corresponding with the number one segment information；
The routing iinformation of called subscriber according to the described first construction domain name acquisition of information, so that the caller
User sets up with the called subscriber and communicated to connect.
In such scheme, methods described also includes：
Mapping relations between number section information and construction domain-name information are set, the first mapping relations list is obtained；
Accordingly, the inquiry the first construction domain-name information corresponding with the number one segment information, including：
In the first mapping relations list, inquiry and the first construction corresponding to the number one segment information
Domain-name information.
In such scheme, the route letter of the called subscriber according to the described first construction domain name acquisition of information
Breath, including：
According to the second interconnection corresponding with the described first construction domain-name information of the described first construction domain name acquisition of information
The address information of boundary Control entity；The second Interconnected Border controlled entity is different from the described first interconnection side
Boundary's controlled entity；
Using the address information of the second Interconnected Border controlled entity as the called subscriber routing iinformation.
In such scheme, the first construction domain-name information carries operator corresponding with the called subscriber
Identification information.
The embodiment of the present invention additionally provides a kind of network intercommunication method, applied to gateway control entity；The side
Method includes：
Receive communication request；The communication request characterizes calling subscribe's request and communicated with called subscriber；
According to the communication request, number one segment information corresponding with the communication request is obtained；Described first
Number section information representation number section information corresponding with the called subscriber；
Inquiry first terminal communication capacity information corresponding with the number one segment information；
The communication request according to the number one segment information corresponding first terminal communication capacity information processing.
In such scheme, methods described also includes：
The mapping relations of number section information and its communication capability information are set, the second mapping relations list is obtained；
Accordingly, inquiry first terminal communication capacity information corresponding with the number one segment information, bag
Include：
In the second mapping relations list, first terminal communication corresponding with the number one segment information is inquired about
Ability information.
In such scheme, it is described according to the corresponding first terminal communication capacity information of the number one segment information at
The communication request is managed, including：
When determining that the first terminal communication capacity information meets the first intercommunication rule, the communication request is sent out
Deliver to the first Interconnected Border controlled entity.
The embodiment of the present invention provides a kind of network intercommunication method again, applied to the first Interconnected Border controlled entity；
Methods described includes：
Receive communication request；The communication request characterizes calling subscribe's request and communicated with called subscriber；
Routing inquiry request is generated according to the communication request；
The routing inquiry request is sent to inquiry network entity；Wherein, the routing inquiry request is used for
The request inquiry network entity determines the according to number one segment information corresponding with the routing inquiry request
One construction domain-name information, and the routing iinformation that domain-name information determines called subscriber is constructed according to described first, with
Make the calling subscribe set up with the called subscriber to communicate to connect.
The embodiment of the present invention additionally provides a kind of inquiry network entity, including：
First receiving unit, for receiving the routing inquiry request that the first Interconnected Border controlled entity is sent；Institute
Routing inquiry request is stated to be generated according to the communication request of calling subscribe for the first Interconnected Border controlled entity
Inquiry request；The communication request is used to ask to be communicated with called subscriber；
First acquisition unit, for according to the routing inquiry request, obtaining and the routing inquiry request pair
The number one segment information answered；The number one segment information characterizes number section information corresponding with the called subscriber；
First query unit, for inquiring about the first construction domain-name information corresponding with the number one segment information；
Second acquisition unit, the route for the called subscriber according to the described first construction domain name acquisition of information
Information, is communicated to connect so that the calling subscribe sets up with the called subscriber.
In such scheme, the inquiry network entity also includes：
First setting unit, for setting the mapping relations between number section information and construction domain-name information, is obtained
First mapping relations list；
Accordingly, first query unit, is additionally operable in the first mapping relations list, inquiry with
The first construction domain-name information corresponding to the number one segment information.
In such scheme, the second acquisition unit is additionally operable to according to the described first construction domain name acquisition of information
With the address information of the described first corresponding second Interconnected Border controlled entity of construction domain-name information, by described the
The address information of two Interconnected Border controlled entities as the called subscriber routing iinformation；Second interconnection
Boundary Control entity is different from the first Interconnected Border controlled entity.
The embodiment of the present invention additionally provides a kind of gateway control entity, including：
Second receiving unit, for receiving communication request；The communication request characterizes calling subscribe's request and quilt
User is made to be communicated；
3rd acquiring unit, for according to the communication request, obtaining corresponding with the communication request first
Number section information；The number one segment information characterizes number section information corresponding with the called subscriber；
Second query unit, for inquiring about first terminal communication capacity letter corresponding with the number one segment information
Breath；
Processing unit, for according to the corresponding first terminal communication capacity information processing of the number one segment information
The communication request.
In such scheme, the gateway control entity also includes：
Second setting unit, the mapping relations for setting number section information and its communication capability information, is obtained
Second mapping relations list；
Accordingly, second query unit, is additionally operable in the second mapping relations list, inquiry and institute
State the corresponding first terminal communication capacity information of number one segment information.
In such scheme, the processing unit is additionally operable to determine that the first terminal communication capacity information is met
When first intercommunication is regular, the communication request is sent to the first Interconnected Border controlled entity.
The embodiment of the present invention additionally provides a kind of first Interconnected Border controlled entity, including：
3rd receiving unit, for receiving communication request；The communication request characterizes calling subscribe's request and quilt
User is made to be communicated；
Inquiry request generation unit, for generating routing inquiry request according to the communication request；
Transmitting element, for the routing inquiry request to be sent to inquiry network entity；Wherein, the road
It is used to ask the inquiry network entity according to number one corresponding with the routing inquiry request by inquiry request
Segment information, determines the first construction domain-name information, and determine called subscriber according to the described first construction domain-name information
Routing iinformation communicated to connect so that the calling subscribe and the called subscriber set up.
Network intercommunication method and network entity, controlled entity described in the embodiment of the present invention, inquire about network entity
By according to routing inquiry request, obtaining number one segment information corresponding with the routing inquiry request, inquiry
The first construction domain-name information corresponding with the number one segment information, and then according to the described first construction domain name letter
Breath obtains the routing iinformation of called subscriber, to assist the calling subscribe to carry out communication link with the called subscriber
Connect；So, it is to avoid the problem of in the prior art inquiring about brought step by step by ENUM.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing network interoperability methods；
Fig. 2 is the implementation process schematic diagram one of network intercommunication method of the embodiment of the present invention；
Fig. 3 is the concrete structure schematic diagram that the embodiment of the present invention inquires about network entity；
Fig. 4 is the implementation process schematic diagram two of network intercommunication method of the embodiment of the present invention；
Fig. 5 is the concrete structure schematic diagram of gateway control entity of the embodiment of the present invention；
Fig. 6 is the implementation process schematic diagram three of network intercommunication method of the embodiment of the present invention；
Fig. 7 is the concrete structure schematic diagram of the first Interconnected Border controlled entity of the embodiment of the present invention；
Fig. 8 is the concrete application schematic diagram one of network intercommunication method of the embodiment of the present invention；
Fig. 9 is the concrete application schematic diagram two of network intercommunication method of the embodiment of the present invention；
Figure 10 is the schematic diagram in local number portability scene of the embodiment of the present invention.
Embodiment
In order to more fully hereinafter understand the features of the present invention and technology contents, below in conjunction with the accompanying drawings to this hair
Bright realization is described in detail, appended accompanying drawing purposes of discussion only for reference, not for limiting the present invention.
Embodiment one
Fig. 2 is the implementation process schematic diagram one of network intercommunication method of the embodiment of the present invention；Methods described is applied to
Inquire about network entity；Here, in actual applications, the inquiry network entity can be specially portion of operator
The NRSP (Number Range Service Provider) of administration；As shown in Fig. 2 methods described includes：
Step 201：Receive the routing inquiry request of the first Interconnected Border controlled entity transmission；The route is looked into
Asking request please for the inquiry that the first Interconnected Border controlled entity is generated according to the communication request of calling subscribe
Ask；The communication request is used to ask to be communicated with called subscriber；
In the present embodiment, the first Interconnected Border controlled entity can be specially VoLTE (Voice over
Long Term Evolution) Interconnected Border control function (IBCF) entity in IMS network；In reality
In, the first Interconnected Border controlled entity is specially IBCF entities corresponding with calling subscribe.
Step 202：According to the routing inquiry request, corresponding with the routing inquiry request first is obtained
Number section information；The number one segment information characterizes number section information corresponding with the called subscriber；
In actual applications, the number one segment information can be specially telephone uniform resource identifier (URI,
Uniform Resource Identifier), abbreviation Tel URI, such as+8613812345678.
Step 203：Inquiry the first construction domain-name information corresponding with the number one segment information；
In one embodiment, before step 203, methods described also includes：Set number section information with
The mapping relations between domain-name information are constructed, the first mapping relations list is obtained；
Accordingly, step 203 can be specially：In the first mapping relations list, inquiry with it is described
The first construction domain-name information corresponding to number one segment information.
Further, the first mapping relations list is stored in the inquiry network in the way of database
In entity, and then when the first Interconnected Border controlled entity carries out routing inquiry, it can be gone according to number section information
Construction domain-name information corresponding with the number section information is obtained, is that the routing iinformation of final inquiry called subscriber is established
Basis.
Here, construction domain-name information be middle the domain name constructed, be only used for be called routing addressing, and without
In by Tel URI completions be session initiation protocol (SIP, Session Initiation Protocol) unified resource
Identifier, abbreviation SIP URI.
Step 204：The routing iinformation of called subscriber according to the described first construction domain name acquisition of information, with
Make the calling subscribe set up with the called subscriber to communicate to connect.
In another specific embodiment, the step 204 can be specially：
According to the second interconnection corresponding with the described first construction domain-name information of the described first construction domain name acquisition of information
The address information of boundary Control entity；The second Interconnected Border controlled entity is different from the described first interconnection side
Boundary's controlled entity；
Using the address information of the second Interconnected Border controlled entity as the called subscriber routing iinformation.
In actual applications, the second Interconnected Border controlled entity can be specially corresponding with called subscriber
IBCF entities.
In actual applications, the inquiry network entity constructs domain-name information to domain name system according to first
(DNS, Domain Name System) goes to obtain the second Interconnected Border control corresponding with called subscriber in fact
The address information of body, such as IP address, and then by the IP of the second Interconnected Border controlled entity got
Location as the called subscriber routing iinformation.Further, for ease of the inquiry network entity according to the
One construction domain-name information goes to obtain the IP address of the second Interconnected Border controlled entity corresponding with called subscriber, institute
State the identification information that the first construction domain-name information carries operator corresponding with the called subscriber；Namely
Say, each construction domain-name information in the first mapping relations list carries the identification information of operator,
In this way, going to obtain the operator corresponding to called subscriber for inquiry network entity, and then obtain called subscriber institute
The address information of corresponding second Interconnected Border controlled entity is laid a good foundation.Here, set in the DNS
There is the corresponding relation list of construction domain-name information and address information.
Network intercommunication method described in the embodiment of the present invention, inquiry network entity by according to routing inquiry request,
Number one segment information corresponding with the routing inquiry request is obtained, is inquired about corresponding with the number one segment information
First construction domain-name information, and then according to described first construction domain name acquisition of information called subscriber route believe
Breath, to assist the calling subscribe to be communicatively coupled with the called subscriber；So, it is to avoid existing skill
The problem of inquiring about brought step by step by ENUM in art；Meanwhile, when applied to international business, the present invention
ENUM of the embodiment without deployment for the Tier1 aspects of routing inquiry between national level；Therefore, with
Prior art is compared, and flow of the embodiment of the present invention is more simple.
In addition, the method described in the embodiment of the present invention only needs data configuration and a small amount of scrap build, you can real
The purpose of the routing iinformation of called subscriber is now obtained, therefore, is easy to large scale deployment.
To realize the method described in embodiment one, the embodiment of the present invention additionally provides a kind of inquiry network entity,
As shown in figure 3, including：
First receiving unit 31, for receiving the routing inquiry request that the first Interconnected Border controlled entity is sent；
The routing inquiry request is given birth to for the first Interconnected Border controlled entity according to the communication request of calling subscribe
Into inquiry request；The communication request is used to ask to be communicated with called subscriber；
First acquisition unit 32, for according to the routing inquiry request, obtaining and the routing inquiry request
Corresponding number one segment information；The number one segment information characterizes number section information corresponding with the called subscriber；
First query unit 33, for inquiring about the first construction domain name letter corresponding with the number one segment information
Breath；
Second acquisition unit 34, the road for the called subscriber according to the described first construction domain name acquisition of information
By information, communicated to connect so that the calling subscribe sets up with the called subscriber.
In the present embodiment, the inquiry network entity also includes：
First setting unit, for setting the mapping relations between number section information and construction domain-name information, is obtained
First mapping relations list；
Accordingly, first query unit, is additionally operable in the first mapping relations list, inquiry with
The first construction domain-name information corresponding to the number one segment information.
In the present embodiment, the second acquisition unit is additionally operable to according to the described first construction domain name acquisition of information
With the address information of the described first corresponding second Interconnected Border controlled entity of construction domain-name information, by described the
The address information of two Interconnected Border controlled entities as the called subscriber routing iinformation；Second interconnection
Boundary Control entity is different from the first Interconnected Border controlled entity.
It will be appreciated by those skilled in the art that each processing unit in the inquiry network entity of the embodiment of the present invention one
Function, can refer to the associated description of the network intercommunication method described in embodiment one and understand, here no longer go to live in the household of one's in-laws on getting married
State.
Embodiment two
Fig. 4 is the implementation process schematic diagram two of network intercommunication method of the embodiment of the present invention；Methods described is applied to
Gateway control entity；As shown in figure 4, methods described includes：
Step 401：Receive communication request；The communication request characterizes calling subscribe's request and entered with called subscriber
Row communication；
In actual applications, the gateway control entity can be specially the outlet net in VoLTE IMS networks
Close control function (BGCF, Breakout Gateway Control Function) entity；Specifically, it is described
Gateway control entity can be specially BGCF entities corresponding with calling subscribe.Specifically, the caller is used
The corresponding service call conversation control function of the corresponding BGCF entities reception calling subscribe in family (S-CSCF,
Service Call Session Control Function) send communication request.
Step 402：According to the communication request, number one segment information corresponding with the communication request is obtained；
The number one segment information characterizes number section information corresponding with the called subscriber；
In actual applications, the number one segment information can be specially telephone uniform resource identifier (URI,
Uniform Resource Identifier), abbreviation Tel URI, such as+8613812345678.
Step 403：Inquiry first terminal communication capacity information corresponding with the number one segment information；
In the present embodiment, the corresponding terminal of called subscriber described in the first terminal communication capacity information representation is led to
Whether letter ability, specifically, the first terminal communication capacity information representation called subscriber support IMS domain mutual
Logical ability.
In actual applications, before step 403, methods described also includes：
The mapping relations of number section information and its communication capability information are set, the second mapping relations list is obtained；
Accordingly, step 403 can be specially：In the second mapping relations list, inquiry and described the
The corresponding first terminal communication capacity information of one number section information.
Step 404：According to the corresponding first terminal communication capacity information processing of the number one segment information
Communication request.
In one embodiment, step 404 can be specially：
When determining that the first terminal communication capacity information meets the first intercommunication rule, the communication request is sent out
The first Interconnected Border controlled entity is delivered to, is led in order to which the first Interconnected Border controlled entity is obtained with described
The routing iinformation of the corresponding called subscriber of letter request.Here, the first intercommunication rule can characterize IMS domain
Intercommunication rule；That is, the number one segment information characterizes IMS domain intercommunication number section, called subscriber supports
IMS domain intercommunication, now, the gateway control entity, the corresponding BGCF entities of such as calling subscribe are by institute
Communication request is stated to send to the first Interconnected Border controlled entity.Here, the first Interconnected Border controlled entity
IBCF entities specially corresponding with calling subscribe.
Specifically, BGCF entities support office often opens an operator to configuration, by operator's correspondence
Number section information be that can determine that the corresponding its communication capability information of the number section information, and then according to the number section
The corresponding its communication capability information of information carries out routing configuration；For example, when according to its communication capability information
When determining support IMS domain intercommunication, namely number section information opens VoLTE intercommunications, now, the BGCF
Entity is according to number section information, namely its communication capability information office is to routing to the corresponding IBCF of calling subscribe
Entity；Otherwise, the corresponding MGCF of calling subscribe (MGCF) entity is routed to.
Network intercommunication method described in the embodiment of the present invention, gateway control entity receives communication request, according to institute
Communication request is stated, number one segment information corresponding with the communication request, inquiry and first number section is obtained
The corresponding first terminal communication capacity information of information, it is logical according to the corresponding first terminal of the number one segment information
Believe that ability information handles the communication request, to determine whether communication request sending corresponding to calling subscribe
Network entity is inquired about, to obtain the route letter of called subscriber corresponding with communication request by inquiring about network entity
Breath is laid a good foundation, and is also established to avoid inquiring about the problem of being brought step by step by ENUM in the prior art
Basis；And the flow is simple, and then also laid a good foundation to simplify the flow of existing network interoperability methods.
In addition, the method described in the embodiment of the present invention only needs data configuration and a small amount of scrap build, you can real
The purpose of the routing iinformation of called subscriber is now obtained, therefore, is easy to large scale deployment.
To realize the method described in embodiment two, the embodiment of the present invention additionally provides a kind of gateway control entity,
As shown in figure 5, including：
Second receiving unit 51, for receiving communication request；The communication request characterize calling subscribe's request with
Called subscriber is communicated；
3rd acquiring unit 52, for according to the communication request, obtaining corresponding with the communication request
One number section information；The number one segment information characterizes number section information corresponding with the called subscriber；
Second query unit 53, for inquiring about first terminal communication capacity corresponding with the number one segment information
Information；
Processing unit 54, at according to the corresponding first terminal communication capacity information of the number one segment information
Manage the communication request.
In the present embodiment, the gateway control entity also includes：
Second setting unit, the mapping relations for setting number section information and its communication capability information, is obtained
Second mapping relations list；
Accordingly, second query unit, is additionally operable in the second mapping relations list, inquiry and institute
State the corresponding first terminal communication capacity information of number one segment information.
In the present embodiment, the processing unit is additionally operable to determine that the first terminal communication capacity information is met
When first intercommunication is regular, the communication request is sent to the first Interconnected Border controlled entity, in order to described
First Interconnected Border controlled entity obtains the routing iinformation of called subscriber corresponding with the communication request.
It will be appreciated by those skilled in the art that each processing unit in the gateway control entity of the embodiment of the present invention two
Function, can refer to the associated description of the network intercommunication method described in embodiment two and understand, here no longer go to live in the household of one's in-laws on getting married
State.
Embodiment three
Fig. 6 is the implementation process schematic diagram three of network intercommunication method of the embodiment of the present invention；Methods described is applied to
First Interconnected Border controlled entity；As shown in fig. 6, methods described includes：
Step 601：Receive communication request；The communication request characterizes calling subscribe's request and entered with called subscriber
Row communication；
In the present embodiment, during the first Interconnected Border controlled entity can be specially VoLTE IMS networks
IBCF entities；In actual applications, the first Interconnected Border controlled entity is specially corresponding with calling subscribe
IBCF entities.Specifically, the corresponding IBCF entities of calling subscribe receive the corresponding BGCF of calling subscribe
The communication request that entity is sent.
Step 602：Routing inquiry request is generated according to the communication request；
Step 603：The routing inquiry request is sent to inquiry network entity；Wherein, the route is looked into
Asking request is used to ask the inquiry network entity according to the first number section corresponding with the routing inquiry request to be believed
Breath, determines the first construction domain-name information, and construct the road that domain-name information determines called subscriber according to described first
By information, communicated to connect so that the calling subscribe sets up with the called subscriber.
In actual applications, the first Interconnected Border controlled entity is additionally operable to receive inquiry network entity transmission
The called subscriber routing iinformation, the communication request is sent out according to the routing iinformation of the called subscriber
The corresponding second Interconnected Border controlled entity of called subscriber is delivered to, so that the calling subscribe and the called use
Communication connection is set up at family.
Network intercommunication method described in the embodiment of the present invention, the first Interconnected Border controlled entity receives communication request,
Routing inquiry request is generated according to the communication request, the routing inquiry request is sent real to inquiry network
Body, inquiry network entity is by according to routing inquiry request, obtaining corresponding with the routing inquiry request the
One number section information, inquires about the first construction domain-name information corresponding with the number one segment information, and then according to institute
The routing iinformation of the first construction domain name acquisition of information called subscriber is stated, to assist the calling subscribe and the quilt
User is made to be communicatively coupled；So, it is to avoid in the prior art inquire about what is brought step by step by ENUM
Problem；Meanwhile, when applied to international business, the embodiment of the present invention is used between national level without deployment
The ENUM of the Tier1 aspects of routing inquiry；Therefore, compared with prior art, flow of the embodiment of the present invention
It is more simple.
In addition, the method described in the embodiment of the present invention only needs data configuration and a small amount of scrap build, you can real
The purpose of the routing iinformation of called subscriber is now obtained, therefore, is easy to large scale deployment.
To realize the method described in embodiment three, the embodiment of the present invention additionally provides a kind of first Interconnected Border control
Entity processed, as shown in fig. 7, comprises：
3rd receiving unit 71, for receiving communication request；The communication request characterize calling subscribe's request with
Called subscriber is communicated；
Inquiry request generation unit 72, for generating routing inquiry request according to the communication request；
Transmitting element 73, for the routing inquiry request to be sent to inquiry network entity；Wherein, it is described
Routing inquiry request is used to ask the inquiry network entity according to corresponding with the routing inquiry request first
Number section information, determines the first construction domain-name information, and determine called use according to the described first construction domain-name information
The routing iinformation at family, is communicated to connect so that the calling subscribe sets up with the called subscriber.
It will be appreciated by those skilled in the art that each in the first Interconnected Border controlled entity of the embodiment of the present invention three
The function of processing unit, can refer to the associated description of the network intercommunication method described in embodiment three and understands, this
In repeat no more.
Example IV
The embodiment of the present invention passes through data configuration and a small amount of scrap build mode, it is to avoid cross operator
The problem of ENUM inquiries are brought, meanwhile, when applied to international business, the embodiment of the present invention is without portion
The ENUM for the Tier1 aspects of routing inquiry between national level is affixed one's name to, therefore, compared with prior art,
Flow of the embodiment of the present invention is more simple.
This programme is needed between region switching business, such as deployment number section information and construction domain name between international switching business
The database of mapping relations between information, and then when carrying out routing inquiry, can be gone to obtain according to number section information
Construction domain-name information corresponding with the number section information is taken, is that the routing iinformation of final inquiry called subscriber establishes base
Plinth.Here, construction domain-name information be middle the domain name constructed, be only used for be called routing addressing, and without
In by Tel URI completions be session initiation protocol (SIP, Session Initiation Protocol) unified resource
Identifier, abbreviation SIP URI.Specifically：
The concrete application schematic diagram one of Fig. 8 network intercommunication methods of the embodiment of the present invention, Fig. 9 is implemented for the present invention
The concrete application schematic diagram two of example network intercommunication method；Fig. 8 and Fig. 9 is combined in detail below to implement the present invention
Method described in example is described in further details：
First, configuration requirement；BGCF entities support office corresponding to calling subscribe is to configuration, i.e., often open-minded
One operator, is that can determine that the corresponding terminal communication of number section information by the corresponding number section information of operator
Ability information, and then routing configuration is carried out according to the corresponding its communication capability information of the number section information；For example,
When determining support IMS domain intercommunication according to its communication capability information, namely number section information opens VoLTE
Intercommunication, now, the BGCF entities are according to number section information, namely its communication capability information office is to route
To the corresponding IBCF entities of calling subscribe；Otherwise, the corresponding media gateway controlling work(of calling subscribe is routed to
Can (MGCF) entity.
Secondth, deployment request；Specifically, switching business deployment inquiry network entity, specific such as NRSP, makes
Stored and reflected between sign number section information and construction domain-name information in the way of database in the inquiry network entity
Penetrate the first mapping relations list of relation.
3rd, routing policy；Specifically,
Step 1：First S-CSCF receives the communication request that calling subscribe sends, specially call signaling, institute
State call signaling sign calling subscribe's request and set up communication link with called subscriber；
Step 2：First S-CSCF sends first according to the call signaling to the first Tier2ENUM
Routing inquiry request；First routing inquiry request is used for the routing iinformation for inquiring about the called subscriber；
Step 3：First S-CSCF receives the inquiry failure response of the first Tier2ENUM feedbacks；
Step 4：First S-CSCF sends the call signaling to the first BGCF；
Step 5：First BGCF parses the call signaling, obtains the called subscriber corresponding the
One number section information, and arranged in the second mapping relations of the number section information itself set and its communication capability information
In table, first terminal communication capacity information corresponding with the number one segment information is inquired about, described first is determined
When its communication capability information representation called subscriber supports IMS domain intercommunication, the call signaling is sent to the
One IBCF, then performs step 6；Otherwise, the call signaling is sent to the first MGCF.
Here, in actual applications, the first BGCF does number analysis, for example, according to national code
National code+N1N2N3 in+N1N2N3+H1H2H3H4XXXX carries out number office to analysis.
Step 6：First IBCF generates secondary route inquiry request according to the call signaling, and to
The business NRSP that transfers sends secondary route inquiry request, and the secondary route inquiry request is used for requesting query institute
State the routing iinformation of called subscriber；
Step 7：The switching business NRSP is obtained and described second according to the secondary route inquiry request
The corresponding number one segment information of routing inquiry request, and in the number section information itself set and construction domain-name information
The first mapping relations list in, inquire about it is corresponding with the number one segment information first construct domain-name information,
Gone to obtain quilt corresponding with the described first construction domain-name information to DNS according to the described first construction domain-name information
The routing iinformation of user is, for example, corresponding 2nd IBCF of called subscriber IP address, will be described
Corresponding 2nd IBCF of called subscriber IP address is sent to the first IBCF；
Step 8：First IBCF, will according to corresponding 2nd IBCF of called subscriber IP address
The call signaling is sent to the 2nd IBCF, to pass through the 2nd Tier2 inside the visited network of called subscriber
ENUM carries out the route of follow-up called subscriber, for example, route to the corresponding CS domains of called subscriber or IMS domain,
Realize the communication of calling subscribe and called subscriber.
In the present embodiment, the first S-CSCF, the first BGCF, the first IBCF, the first Tier2ENUM
And the first MGCF be reality in the corresponding visited network of the corresponding entity of calling subscribe, i.e. calling subscribe
Body；In one embodiment, the first S-CSCF, the first BGCF, the first IBCF, the first Tier2
ENUM and the first MGCF are the entity of operator A institutes subordinate；The operator A is the master
Cry user corresponding operator.Similarly, the 2nd S-CSCF, the 2nd BGCF, the 2nd IBCF,
Two Tier2ENUM and the 2nd MGCF are the entity in the corresponding visited network of called subscriber, for example
The entity of operator B institutes subordinate, the operator B is the corresponding operator of the called subscriber.
Here, as shown in figure 9, because the present embodiment method is by inquiring about network entity acquisition called subscriber's
Routing iinformation, assists the calling subscribe to be communicatively coupled with the called subscriber, in this way, avoiding existing
There is the problem of inquiring about brought step by step by ENUM in technology；Meanwhile, when applied to international business, this
ENUM of the inventive embodiments without deployment for the Tier1 aspects of routing inquiry between national level；Therefore,
Compared with prior art, flow of the embodiment of the present invention is more simple.
Method described in the embodiment of the present invention can also solve the problems, such as the local number portability in existing network intercommunication；Tool
Body, as shown in figure 1, in existing network interoperability methods, when called subscriber is to turn network users, operator
Need to inquire about the route letter that called subscriber turns network entity corresponding after net by multistage ENUM at A
Breath, therefore, the flow that existing network interoperability methods are directed to the communication request for turning network users is also complex.
And the method described in the embodiment of the present invention, as shown in Figure 10, by taking international business as an example, it is for called subscriber
Turn for network users, go to obtain after called subscriber turn net without the entity in the corresponding visited network of calling subscribe
Network in network entity address information, as long as being directly obtained the corresponding international gateways of called subscriber,
I.e. the 2nd IBCF address information can go the network obtained after called subscriber turn net real by the 2nd IBCF
The address information of body, therefore, compared with prior art, the embodiment of the present invention is directed to the communication for turning network users
The flow of request is also more simple.
Specifically, as shown in Figure 10, when call signaling by internet data packet switching protocol (IPX,
Internetwork Packet Exchange protocol)) international gateways corresponding to called subscriber are routed to,
That is during two IBCF, the 2nd IBCF sends inquiry request to number portability database (NP DB),
To determine whether the called subscriber is ported subscriber；When the 2nd IBCF is according to the NP DB's
When feedback result determines the called subscriber for this normal network users, then the route of follow-up called subscriber is carried out,
For example, when determining that called subscriber supports IMS domain intercommunication, the 2nd IBCF is by the call signaling
The 2nd S-CSCF routed in IMS nets；It is when determining called subscriber for non-IP voice users, i.e., described
NP DB or inside ENUM inquiries are less than the information of the called subscriber, and now, the 2nd IBCF is by institute
State call signaling and route to circuit domain (CS Domain)；
Further, it is described called at feedback result determinations of the 2nd IBCF according to the NP DB
When user is that number takes user, then inquire about after internal ENUM, obtain the SIP URI of called subscriber, and then
According to inquiry of the domain name, the call signaling is routed to the home network operator of called subscriber, for example, belonged to
The corresponding IBCF of Virtual network operator, i.e. other IBCF are to carry out the route of follow-up called subscriber.
Here, the international gateways, i.e. the 2nd IBCF and the local number portability number in called subscriber's map network
The corresponding interface is provided with according between storehouse, inside ENUM；In this way, being easy to the 2nd IBCF to be taken with number
Data interaction is carried out between band database, inside ENUM.
, can in several embodiments provided herein, it should be understood that disclosed apparatus and method
To realize by another way.Apparatus embodiments described above are only schematical, for example, institute
The division of unit is stated, only a kind of division of logic function there can be other dividing mode when actually realizing,
Such as：Multiple units or component can be combined, or be desirably integrated into another system, or some features can be neglected
Slightly, or do not perform.In addition, the coupling each other of shown or discussed each part or directly coupling
Close or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of equipment or unit, can
Be it is electrical, machinery or other forms.
The above-mentioned unit illustrated as separating component can be or may not be it is physically separate, as
The part that unit is shown can be or may not be physical location, you can positioned at a place, also may be used
To be distributed on multiple NEs；Part or all of unit therein can be selected according to the actual needs
Realize the purpose of this embodiment scheme.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing unit,
Can also be each unit individually as a unit, can also two or more units be integrated in one
In individual unit；Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds soft
The form of part functional unit is realized.
One of ordinary skill in the art will appreciate that：Realize that all or part of step of above method embodiment can
To be completed by the related hardware of programmed instruction, foregoing program can be stored in an embodied on computer readable and deposit
In storage media, the program upon execution, performs the step of including above method embodiment；And foregoing storage
Medium includes：Movable storage device, read-only storage (ROM, Read Only Memory), deposit at random
Access to memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can to store journey
The medium of sequence code.
Or, if the above-mentioned integrated unit of the present invention is realized using in the form of software function module and as independently
Production marketing or in use, can also be stored in a computer read/write memory medium.Based on so
Understanding, the part that the technical scheme of the embodiment of the present invention substantially contributes to prior art in other words can
To be embodied in the form of software product, the computer software product is stored in a storage medium, bag
Some instructions are included to so that a computer equipment (can be personal computer, server or network
Equipment etc.) perform all or part of each of the invention embodiment methods described.And foregoing storage medium bag
Include：Movable storage device, read-only storage (ROM, Read Only Memory), random access memory
Device (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
This, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should
It is defined by the scope of the claims.
Claims (15)
1. a kind of network intercommunication method, applied to inquiry network entity；Methods described includes：
Receive the routing inquiry request of the first Interconnected Border controlled entity transmission；The routing inquiry request is institute
State the inquiry request that the first Interconnected Border controlled entity is generated according to the communication request of calling subscribe；It is described logical
Letter request is used to ask to be communicated with called subscriber；
According to the routing inquiry request, number one segment information corresponding with the routing inquiry request is obtained；
The number one segment information characterizes number section information corresponding with the called subscriber；
Inquiry the first construction domain-name information corresponding with the number one segment information；
The routing iinformation of called subscriber according to the described first construction domain name acquisition of information, so that the caller
User sets up with the called subscriber and communicated to connect.
2. according to the method described in claim 1, it is characterised in that methods described also includes：
Mapping relations between number section information and construction domain-name information are set, the first mapping relations list is obtained；
Accordingly, the inquiry the first construction domain-name information corresponding with the number one segment information, including：
In the first mapping relations list, inquiry and the first construction corresponding to the number one segment information
Domain-name information.
3. method according to claim 1 or 2, it is characterised in that described according to the described first construction
Domain-name information obtains the routing iinformation of the called subscriber, including：
According to the second interconnection corresponding with the described first construction domain-name information of the described first construction domain name acquisition of information
The address information of boundary Control entity；The second Interconnected Border controlled entity is different from the described first interconnection side
Boundary's controlled entity；
Using the address information of the second Interconnected Border controlled entity as the called subscriber routing iinformation.
4. method according to claim 1 or 2, it is characterised in that the first construction domain-name information
Carry the identification information of operator corresponding with the called subscriber.
5. a kind of network intercommunication method, applied to gateway control entity；Methods described includes：
Receive communication request；The communication request characterizes calling subscribe's request and communicated with called subscriber；
According to the communication request, number one segment information corresponding with the communication request is obtained；Described first
Number section information representation number section information corresponding with the called subscriber；
Inquiry first terminal communication capacity information corresponding with the number one segment information；
The communication request according to the number one segment information corresponding first terminal communication capacity information processing.
6. method according to claim 5, it is characterised in that methods described also includes：
The mapping relations of number section information and its communication capability information are set, the second mapping relations list is obtained；
Accordingly, inquiry first terminal communication capacity information corresponding with the number one segment information, bag
Include：
In the second mapping relations list, first terminal communication corresponding with the number one segment information is inquired about
Ability information.
7. according to the methods described of claim 5 or 6, it is characterised in that described to be believed according to first number section
Communication request described in corresponding first terminal communication capacity information processing is ceased, including：
When determining that the first terminal communication capacity information meets the first intercommunication rule, the communication request is sent out
Deliver to the first Interconnected Border controlled entity.
8. a kind of network intercommunication method, applied to the first Interconnected Border controlled entity；Methods described includes：
Receive communication request；The communication request characterizes calling subscribe's request and communicated with called subscriber；
Routing inquiry request is generated according to the communication request；
The routing inquiry request is sent to inquiry network entity；Wherein, the routing inquiry request is used for
The request inquiry network entity determines the according to number one segment information corresponding with the routing inquiry request
One construction domain-name information, and the routing iinformation that domain-name information determines called subscriber is constructed according to described first, with
Make the calling subscribe set up with the called subscriber to communicate to connect.
9. one kind inquiry network entity, including：
First receiving unit, for receiving the routing inquiry request that the first Interconnected Border controlled entity is sent；Institute
Routing inquiry request is stated to be generated according to the communication request of calling subscribe for the first Interconnected Border controlled entity
Inquiry request；The communication request is used to ask to be communicated with called subscriber；
First acquisition unit, for according to the routing inquiry request, obtaining and the routing inquiry request pair
The number one segment information answered；The number one segment information characterizes number section information corresponding with the called subscriber；
First query unit, for inquiring about the first construction domain-name information corresponding with the number one segment information；
Second acquisition unit, the route for the called subscriber according to the described first construction domain name acquisition of information
Information, is communicated to connect so that the calling subscribe sets up with the called subscriber.
10. inquiry network entity according to claim 9, it is characterised in that the inquiry network is real
Body also includes：
First setting unit, for setting the mapping relations between number section information and construction domain-name information, is obtained
First mapping relations list；
Accordingly, first query unit, is additionally operable in the first mapping relations list, inquiry with
The first construction domain-name information corresponding to the number one segment information.
11. the inquiry network entity according to claim 9 or 10, it is characterised in that described second obtains
Unit is taken, is additionally operable to corresponding with the described first construction domain-name information according to the described first construction domain name acquisition of information
The second Interconnected Border controlled entity address information, the address of the second Interconnected Border controlled entity is believed
Cease the routing iinformation as the called subscriber；The second Interconnected Border controlled entity is different from described first
Interconnected Border controlled entity.
12. a kind of gateway control entity, including：
Second receiving unit, for receiving communication request；The communication request characterizes calling subscribe's request and quilt
User is made to be communicated；
3rd acquiring unit, for according to the communication request, obtaining corresponding with the communication request first
Number section information；The number one segment information characterizes number section information corresponding with the called subscriber；
Second query unit, for inquiring about first terminal communication capacity letter corresponding with the number one segment information
Breath；
Processing unit, for according to the corresponding first terminal communication capacity information processing of the number one segment information
The communication request.
13. gateway control entity according to claim 12, it is characterised in that the gateway control is real
Body also includes：
Second setting unit, the mapping relations for setting number section information and its communication capability information, is obtained
Second mapping relations list；
Accordingly, second query unit, is additionally operable in the second mapping relations list, inquiry and institute
State the corresponding first terminal communication capacity information of number one segment information.
14. the gateway control entity according to claim 12 or 13, it is characterised in that the processing
Unit, will be described logical when being additionally operable to determine that the first terminal communication capacity information meets the first intercommunication rule
Letter request is sent to the first Interconnected Border controlled entity.
15. a kind of first Interconnected Border controlled entity, including：
3rd receiving unit, for receiving communication request；The communication request characterizes calling subscribe's request and quilt
User is made to be communicated；
Inquiry request generation unit, for generating routing inquiry request according to the communication request；
Transmitting element, for the routing inquiry request to be sent to inquiry network entity；Wherein, the road
It is used to ask the inquiry network entity according to number one corresponding with the routing inquiry request by inquiry request
Segment information, determines the first construction domain-name information, and determine called subscriber according to the described first construction domain-name information
Routing iinformation communicated to connect so that the calling subscribe and the called subscriber set up.
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| CN109873795A (en) * | 2017-12-05 | 2019-06-11 | 中国电信股份有限公司 | Gateway exchange call connection method, gateway exchange and computer readable storage medium |
| CN110267360A (en) * | 2019-07-02 | 2019-09-20 | 中国联合网络通信集团有限公司 | International roaming communication means, international gateway and the communication system of group's business |
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