CN103812771B - The method and system of grappling business route in the ip multimedia subsystem - Google Patents
The method and system of grappling business route in the ip multimedia subsystem Download PDFInfo
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Abstract
The invention discloses the method and system that in a kind of network in IP Multimedia System, grappling business route.By being associated the first business providing in non-IMS network with special domain name, in the ims network, it is set to corresponding special domain name by triggering the AS address parameter in this first business iFC.After the CSCF in IMS network receives call request message and triggers this first business, this special domain name is inserted the route field of call request message, and be based on special domain name mapping, call request message is sent to unified media gateway.The corresponding relation based on special domain name and the business trigger code of the first business for the unified media gateway, so that this call request message can be routed in non-IMS network corresponding SCP before obtaining the business trigger code of the first business and being inserted into the called number of call request message.Present invention achieves business route is anchored to non-IMS network from IMS network, and user can pass through to access the business that IMS network uses non-IMS network by way of business triggers.
Description
Technical field
The present invention relates to the communications field, particularly to a kind of business of grappling in the ip multimedia subsystem route method with
System.
Background technology
In recent years, based on IP Multimedia System（IP Multimedia Subsystem, IMS）Accept traditional fixed network to use
Family has become as one of main drive of operator deployment IMS network.In the ims network, tradition fixing user triggering business
Afterwards, IMS network in addition to needing to provide the basic service of IMS and supplementary service to fixing user in addition it is also necessary to make fixing user
Continue to obtain original intelligentized pstn business.Existing intelligentized pstn business is included as industry such as communication for coordination business, iVPN
Business.
In these intelligentized pstn business, partial service is based on intelligent network application protocol (Intelligent
Network Application Protocol, INAP) agreement service control point (Signaling Control Point,
SCP）There is provided.In traditional fixed network, it is typically by Service Switching Point by the method that SCP provides intelligentized pstn business
（Service SwitchingPoint, SSP）In call request, the corresponding trigger code of Insert service is realizing.Specifically, with
As a example calling subscribe carries out business triggering, the method flow process mainly includes：
After SSP receives the intelligent call of calling subscribe, by mobile application part（Mobile Application
Part, MAP）Agreement sends route letter to Smart Home Location Register (SmartHome Location Register, SHLR)
Breath（Send Routing Info, SRI）Message, to inquire about the CAMEL-Subscription-Information of calling subscribe；
SHLR is based on MAP, according to the CAMEL-Subscription-Information of calling subscribe, returns the IN service of this user signing to SSP
Trigger code；
The trigger code of this IN service is inserted in before intelligent call request called number by SSP, by corresponding intelligence
Can business trigger to corresponding SCP.
In above-mentioned fixed network intelligent network, the mode of business triggering is to obtain the trigger code of IN service by SHLR based on SSP,
And by the insertion call request of the trigger code of this IN service, using MAP between SSP and SCP, by trigger code trigger to
Corresponding business platform.However, in the ims network, storage customer service CAMEL-Subscription-Information（Home Subscriber
Server, HSS）With session control network element call conversation control function entity（Call Session ControlFunction,
CSCF）Between be then based on Diameter, not with regard to transmitting the operation of trigger code and corresponding parameter in this agreement and existing
Some CSCF insert the function of trigger code before also not possessing, cannot be by similar in fixed network intelligent network therefore in existing IMS
Method obtains trigger code, user nor provided using other non-IMS network in the ims network by business trigger code mode
Business.
Content of the invention
One side according to embodiments of the present invention, a technical problem to be solved is：One kind anchor in ims is provided
Determine the method and system of business route, to realize for business route anchoring to non-IMS network from IMS network such that it is able to make
Obtain user and the business using non-IMS network by way of business trigger code can be adopted by IMS network.
A kind of method of the business of grappling in ims route provided in an embodiment of the present invention, methods described includes：
Call conversation control function entity CSCF in IP Multimedia System IMS network receives and comes from user's transmission
Call request message；
Trigger the initial filter standard or norm iFC of the first business set in advance in response to described call request message, described
Application server AS address parameter value in described iFC is inserted the route field of described call request message, wherein, institute by CSCF
First business of stating is provided by the service control point (SCP) in non-IMS network, and described AS address parameter value is and described first business phase
Corresponding special domain name；
Described CSCF is to the corresponding IP address of domain name special described in domain name resolution service system requesting query；
Domain name analysis service system returns the IP address of default unified media gateway to described CSCF；
Described CSCF according to described IP address, the call request message inserting described AS address parameter value is sent to described
IP address corresponding unified media gateway；
The corresponding relation based on the special domain name being stored and the business trigger code of the first business for the described unified media gateway,
According to the special domain name in described route field, obtain the business trigger code with described first business, the triggering of described business is inserted
Enter to the called number of described call request message, described call request message is routed in described non-IMS network
SCP, executed from described SCP provides the operation of described first business to described user.
Preferably, the AS address parameter value in described iFC is specially the specific media net corresponding with described first business
Close domain name, different specific media gateway domain names corresponds to the first different business.
Preferably, domain name analysis service system includes telephone number mapping and domain name system ENUM/DNS, described side
Method also includes：
Configuration service resource SRV record on described ENUM/DNS in advance, the content of described SRV record is specially：Described
The different IP address corresponding to specific media gateway domain name is the IP address of described unified media gateway.
Preferably, methods described also includes：
The CAMEL-Subscription-Information of described first business of being contracted according to described user, the first business described in described user setup in advance
IFC；
The iFC of described first business is saved in the user data of described user of home subscriber server HSS；
After described CSCF receives the call request message coming from user's transmission, download described user's from described HSS
User data, obtains the iFC of described first business.
Preferably, described user's multiple business of signing, it is corresponding respectively that described user data includes the plurality of business
Multiple iFC；The described iFC triggering the first business set in advance in response to described call request message, specifically includes：
After described CSCF receives described call request message, by the service point trigger comprising in described call request message
SPT and the plurality of iFC carries out matching detection；
Match with one of the plurality of iFC iFC in response to described SPT, the iFC matching is described first business
IFC, trigger described first business iFC.
Preferably, described match in response to the multiple iFC in described SPT and the plurality of iFC, methods described is also wrapped
Include：
Described CSCF is ranked up to the plurality of iFC according to predetermined priority orders；
Described the SPT comprising in described call request message and the plurality of iFC are carried out matching detection, specifically include：
Described by the SPT comprising in described call request message successively with described sequence after multiple iFC carry out mating inspection
Survey；
The iFC of described first business is specially the iFC matching first with described SPT.
Preferably, methods described also includes：
The call request information inserting described business trigger code is routed to described non-IMS network by described unified media gateway
Service switching point；
According to described business trigger code, described call request message is routed to provides the SCP of described business to described SSP；
Described SCP executes the operation providing described first business to described user.
Preferably, described non-IMS network includes PSTN network, GSM network, any one in cdma network.
The system of grappling business route, described system in a kind of network in IP Multimedia System provided in an embodiment of the present invention
System includes：
Call conversation control function entity CSCF in IP Multimedia System IMS network, comes from user for receiving
The call request message sending；Trigger the initial filter standard or norm of the first business set in advance in response to described call request message
IFC, the application server AS address parameter value in described iFC is inserted the route field of described call request message, wherein, institute
First business of stating is provided by the service control point (SCP) in non-IMS network, and described AS address parameter value is and described first business phase
Corresponding special domain name；To the corresponding IP address of domain name special described in domain name resolution service system requesting query；According to described IP
Address, the call request message inserting described AS address parameter value is sent to described IP address corresponding unified media gateway；
Domain name resolution service system, for receiving the inquiry request of described CSCF, returns default unification to described CSCF
The IP address of WMG；
Unified media gateway, for closing based on the special domain name being stored is corresponding with the business trigger code of the first business
System, according to the special domain name in described call request message route field, obtains the business trigger code with described first business, will
Before described business triggering is inserted into the called number of described call request message, described call request message is routed to described
SCP in non-IMS network, executed from described SCP provides the operation of described first business to described user.
Preferably, the AS address parameter value in described iFC is specially the specific media net corresponding with described first business
Close domain name, different specific media gateway domain names corresponds to the first different business.
Preferably, domain name analysis service system specifically includes telephone number mapping and domain name system ENUM/DNS, institute
System of stating also includes：
Dispensing unit, for configuration service resource SRV record on described ENUM/DNS in advance, it is interior that described SRV records
Appearance is specially：The described different IP address corresponding to specific media gateway domain name is the IP address of described unified media gateway.
Preferably, described system also includes：
Home subscriber server HSS, for the CAMEL-Subscription-Information of described first business of being contracted according to described user, in advance for institute
State the iFC of the first business described in user setup；The iFC of described first business is saved in the user data of described user；
Described CSCF, after being additionally operable to receive the call request message coming from user's transmission, downloads described from described HSS
The user data of user, obtains the iFC of described first business.
Preferably, described user's multiple business of signing, it is corresponding respectively that described user data includes the plurality of business
Multiple iFC；Described CSCF, specifically for receiving after described call request message, the industry that will comprise in described call request message
Business point trigger SPT and the plurality of iFC carries out matching detection；In response to one of described SPT and the plurality of iFC iFC
Match, one iFC of matching is the iFC of described first business, triggers the iFC of described first business.
Preferably, described match in response to the multiple iFC in described SPT and the plurality of iFC, described CSCF, also use
In being ranked up to the plurality of iFC according to predetermined priority orders；The described SPT that will comprise in described call request message
Carry out matching detection with the multiple iFC after described sequence successively, the iFC of described first business is specially and described SPT phase first
One iFC of coupling.
Preferably, described unified media gateway, is additionally operable to insert the call request information reason of described business trigger code
Service switching point to non-IMS network；
Described system also includes：
The SSP of non-IMS network, for receiving the call request information having inserted described business trigger code, described business is touched
Signaling, described call request message is routed to provides the SCP of described business；
SCP, for receiving call request message, executes the operation providing described first business to described user.
Preferably, described non-IMS network includes PSTN network, GSM network, any one in cdma network.
The method and system of the business of the grappling in the ims network route being provided based on the above embodiment of the present invention.By inciting somebody to action
The first business providing in non-IMS network is associated with special domain name, specifically, in the ims network, will trigger this first business
AS address parameter in iFC be set to corresponding special domain name so that in a step 102 when in IMS network CSCF receive
Come from the call request message of user's transmission, the first business iFC is triggered by this call request message, CSCF is by the AS in iFC
Address parameter value i.e. this special domain name inserts the route field of call request message.Default unified matchmaker is obtained by step 104
The corresponding IP address of body gateway, thus call request message is sent to unified media gateway.Unified media gateway in step 106
Based on the corresponding relation of the special domain name being stored and the business trigger code of the first business, obtain the business triggering with the first business
Code, the triggering of this business is inserted into before the called number of call request message so that this can called by unified media gateway
Request message routes to the SCP of this first business of offer in non-IMS network, provides a user with described first industry by SCP execution
The operation of business.
Hereby it is achieved that business route is anchored to from IMS network non-IMS network, and allow users to pass through
The mode of business triggering is passed through to access the IN service that IMS network uses non-IMS network, improves the experience of user.With
When, realizing technical scheme provided by the present invention need not increase new network element, save construction cost.
By the detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and its
Advantage will be made apparent from.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Simultaneously it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it is further discussed in subsequent accompanying drawing.
Constitute the Description of Drawings of a part the embodiments of the invention of description, and be used for together with the description solving
Release the principle of the present invention.
Referring to the drawings, according to detailed description below, the present invention can be more clearly understood from, wherein：
Fig. 1 illustrates that a kind of flow process of embodiment of method of the business of grappling in the ims network route provided by the present invention is shown
It is intended to；
Fig. 2 illustrates the flow process of the method another kind embodiment of the business of grappling in the ims network route provided by the present invention
Schematic diagram；
Fig. 3 illustrates the flow process of another embodiment of method of the business of grappling in the ims network route provided by the present invention
Schematic diagram
Fig. 4 illustrates that a kind of structure of embodiment of system of the business of grappling in the ims network route provided by the present invention is shown
It is intended to；
Fig. 5 illustrates the structure of the system another kind embodiment of the business of grappling in the ims network route provided by the present invention
Schematic diagram；
Fig. 6 illustrates the structure of another embodiment of system of the business of grappling in the ims network route provided by the present invention
Schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Should note
Anticipate and arrive：Unless specifically stated otherwise, the part otherwise illustrating in these embodiments and the positioned opposite of step do not limit this
Bright scope.
Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its application or any restriction using.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment being obtained under the premise of the property made work, broadly falls into the scope of protection of the invention.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
When in the case of, described technology, method and apparatus should be considered authorize description a part.
In all examples with discussion shown here, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, the other examples of exemplary embodiment can have different values.
Shown in Figure 1, Fig. 1 illustrates that the method for the business of grappling in the ims network route provided by the present invention is a kind of real
Apply the schematic flow sheet of example.In this embodiment, the method for grappling business route includes operation discussed below in the ims network.
In a step 101, the call conversation control function entity in IMS network（Call SessionControl
Function, CSCF）Receive the call request message coming from user's transmission.CSCF can have different types, for example, it is possible to
It is service call conversation control function entity（Service-Call Session Control Function, S-CSCF）.
In a step 102, the initial filter standard or norm of the first business set in advance is triggered in response to this call request message
（Initial Filter Criteria, iFC）, CSCF is by the application server address in iFC（Application Server
Address, AS Address）Parameter value inserts the route field of call request message, i.e. Route field, wherein, the first business
By the service control point in non-IMS network（Signaling Control Point, SCP）There is provided, AS address parameter value is and the
The corresponding special domain name of one business.Fixed in session initiation protocol (SessionInitiation Protocol, SIP) agreement
Justice route Route field, can insert Route by inserting Route field in call request message INVITE
Field, special domain name corresponding for the first business is inserted this field.
In step 103, CSCF is to the corresponding IP address of the special domain name of domain name resolution service system requesting query.
At step 104, domain name resolution service system returns the IP address of default unified media gateway to CSCF.At this
Invent in each embodiment, unified media gateway can be WMG（Media Gateway Control Function,
MGW）Or MGCF (Media Gateway Control Function, MGCF).
In step 105, CSCF, according to this IP address, the call request message inserting AS address parameter value is sent to this
IP address corresponding unified media gateway.This call request message can be routed to unified media net by ISC interface by CSCF
Close.
In step 106, unified media gateway is based on the special domain name being stored and the business trigger code of the first business
Corresponding relation, according to the special domain name in call request message route field, obtains the business trigger code with the first business, by industry
Before business triggering is inserted into the called number of call request message, thus, by calling have IMS network dredge to non-IMS network it
Before, it is inserted into before business trigger code before called number, so that this call request message can be routed in non-IMS network
SCP, is provided a user with the operation of the first business by SCP execution.
Based on said method embodiment, by the ims network, by the first business providing in non-IMS network with special
Domain name is associated, and is set to corresponding special domain name by triggering the AS address parameter in this first business iFC.Work as IMS network
In CSCF receive after call request message triggers this first business iFC, the AS address in the iFC of this first business is joined by CSCF
Numerical value, that is, this special domain name insert the route field of call request message, and call request message is sent to unified media net
Close.The corresponding relation based on the special domain name being stored and the business trigger code of the first business for the unified media gateway, by the first industry
Before the business triggering of business is inserted into the called number of call request message, so that this can called by unified media gateway
Request message routes to the SCP of this first business of offer in non-IMS network, provides a user with described first industry by SCP execution
The operation of business.
Achieve and business route is anchored to non-IMS network from IMS network, and allow users to touch by business
The mode sent out is passed through to access the business that IMS network uses non-IMS network, improves the experience of user.Meanwhile, realize this
Bright provided technical scheme need not increase new network element, saves construction cost.
Unrestricted according to another specific example of the inventive method embodiment, the AS address parameter value in iFC is permissible
It is specifically configured to the specific media gateway domain name corresponding with the first business, different specific media gateway domain names corresponds to difference
The first business.
For example, it is possible to setting specific media gateway domain name is mgcfxxx.operator.com, wherein xxx can be operation
Set of number or the sequence number of monogram that business specifies.The first different business, corresponding to different sequence numbers.For example, by
The business that call center business platform provides, AS address parameter value is configurable to mgcf516.operator.com, by working in coordination with
The business that communication service platform provides, AS address parameter is configurable to mgcf511.operator.com.
Unrestricted according to another specific example of the inventive method embodiment, domain name resolution service system includes phone
Number mapping and domain name system (Telephone Number Mapping/Domain Name System, ENUM/DNS）.The party
Method also includes：Configuration service resource on ENUM/DNS in advance（SRV）Record, the content of SRV record specifically includes：Different spies
Different IP address corresponding to WMG domain name is the IP address of unified media gateway.By by different specific media gateways
IP address corresponding to domain name is set to the IP address of unified media gateway, such that it is able to by all triggering the first business callings
Request message is all sent to unified media gateway and is processed.
Taking the specific example in above-described embodiment as a example, in the SRV of ENUM/DNS records,
Mgcf516.operator.com, mgcf511.operator.com both correspond to specific one IP address, i.e. unified media
The IP address of gateway.
Unrestricted according to another specific example of the inventive method embodiment, CSCF can be obtained by different modes
The iFC of the first business.A kind of specific embodiment is：The CAMEL-Subscription-Information of the first business of being contracted according to user, sets for user in advance
Put the iFC of the first business；The iFC of the first business is saved in home subscriber server（Home Subscriber Server,
HSS）The user data of this user in；After CSCF receives the call request message coming from user's transmission, download from HSS and use
The user data at family, obtains the iFC of the first business.
After CSCF receives the call request message coming from user's transmission, download the user data of user from HSS, specifically
Can also be when user carry out initial registration to CSCF, after CSCF has completed the authentication to this user, CSCF sends Cx-Put/
Cx-Pull message obtains user data to HSS, and HSS is disappeared by corresponding response message Cx-Put Resp/Cx-Pull Resp
Breath returns user data.
In a step 102, how CSCF is carried out to the matching detection of business triggering according to call request message, may be also
There is a following different concrete condition, no matter which kind of concrete condition, meeting the first business that trigger condition triggered is non-IMS network
The business being provided, and it is set in advance as the spy with the first business to the AS address parameter value of the iFC corresponding to the first business
Different domain name.
Carry out the matching detection of business triggering for CSCF in step 102 according to call request message, CSCF obtains from HSS
User data.From user data, after CSCF obtains user data, obtain the iFC corresponding to business of user's signing customization,
IFC including the first business.The Service Point Trigger SPT and corresponding AS of this business is then included in the iFC of miscellaneous service
Address parameter.After CSCF parsing call request message, the SPT according to call request message kind is mated with the SPT in iFC,
The iFC being mated in the present invention corresponds to the iFC of the first business, and in this iFC, AS address value is the special domain name pre-setting.
When user contracts multiple business, in user data, potentially include the corresponding multiple iFC of multiple business.CSCF receives
After call request message, the SPT of the SPT comprising in call request message and multiple iFC is carried out matching detection；In response to calling
The SPT comprising in request message is matched with the SPT of one of multiple iFC iFC, and the iFC of the first business is that this matches
IFC, the iFC of triggering the first business.
For example, when the SPT in iFC is " method=INVITE＆m=audio ", when the type of message receiving is INVITE
Message and Session Description Protocol（SessionDescription Protocol, SDP）In m row be during audio, to trigger this industry
Business.
Unrestricted according to another specific example of the inventive method embodiment, when user contracts multiple business, ring
Should match in the SPT of the multiple iFC in SPT and multiple iFC, the method also includes：CSCF is according to predetermined priority orders
Multiple iFC are ranked up, are this call request message and set up filter criteria list；CSCF parsing call request message obtains
After SPT included in it, by this SPT successively with sequence after multiple iFC in SPT carry out matching detection, the first business
IFC is the iFC matching first.
Shown in Figure 2, Fig. 2 illustrates that the method for the business of grappling in the ims network route provided by the present invention is another kind of
The schematic flow sheet of embodiment.Compared with Fig. 1 embodiment, the method that in this embodiment, grappling business route in the ims network,
Also include following operation：
Step 201, unified media gateway as the interconnection network element between IMS network and non-IMS network, by Insert service
The call request information of trigger code routes to the SSP of non-IMS network；
Step 202, SSP, according to business trigger code, call request message is routed to the SCP of offer business；
Step 203, SCP execution provides a user with the operation of the first business.
In the inventive method the various embodiments described above, non-IMS network can be PSTN (Public
Switched Telephone Network, PSTN), global system for mobile telecommunications（Global System of Mobile
Communication, GSM）Network, CDMA（Code Division Multiple Access, CDMA）Appointing in network
Meaning is a kind of.Accordingly, the SSP in non-IMS network is respectively adopted INAP, mobile network's customized application according to different Operation Networks
Enhancing logic (Customized Applications for Mobile NetworkEnhanced Logic, CAMEL) agreement,
Wireless intelligent network（Wireless IntelligentNetwork, WIN）Agreement is interacted with SCP.For various different non-
IMS network, may specifically need different types of SSP, PSTN network element or other soft switch network elements, core network element cooperation to prop up
Hold the route to the call signaling comprising business trigger code, those skilled in the art benefit from above-mentioned thought, can be according to use
Various known embodiments realize the route of the business triggering in non-IMS network and message.
As a specific example, shown in Figure 3, Fig. 3 illustrates grappling industry in the ims network provided by the present invention
The schematic flow sheet of another embodiment of method of business route.After the audio call that user initiates in the ims network, this example
Method includes：
Step 301, CSCF receives and comes from the call request message INVITE that user is sent by UE；
Step 302, CSCF completes the triggering of supplementary service, CSCF according to during user's registration from HSS download iFC and
The priority of iFC carries out iFC matching detection, the result of matching detection be call request message requests business trigger SPT with
The SPT of the communication for coordination business in non-IMS network matches, and the AS address parameter in the iFC of this communication for coordination business is default
For mgcf511.operator.com, mgcf511.operator.com is inserted route Route of call request message by CSCF
Header field field, for example, include " Route：mgcf511.operator.com”.
Step 303, CSCF carries out SRV inquiry to domain name resolution service system ENUM/DNS, in requesting query Route header field
This corresponding IP address of specific media gateway domain name mgcf511.operator.com；
Step 304, domain name resolution service system ENUM/DNS returns the IP address of unified media gateway；
Step 305, according to this IP address, CSCF is sent this call request message to this unified media by ISC interface
Gateway MGCF/MGW；
Step 306, unified media gateway MGCF/MGW is touched with business based on the different specific media gateway domain names that it configures
The corresponding relation of signaling, according to specific media gateway domain-name information " mgcf511.operator.com " in Route header field, obtains
Obtain its corresponding communication for coordination business trigger code 335608, be inserted in before this trigger code before called number；
Step 307, unified media gateway configures according to business trigger code and local routing of data further, by call routing
SSP to non-IMS network；
Step 308, SSP according to the business trigger code before called number in call request message, by call request message road
By to corresponding SCP.
Afterwards, executed from SCP provides the operation of communication for coordination business to this user.
Shown in Figure 4, Fig. 4 illustrates that the system of the business of grappling in the ims network route provided by the present invention is a kind of real
Apply the structural representation of example.The system of the route of grappling business in IP Multimedia System network that this embodiment provides, including：
Call conversation control function entity CSCF401 in IMS network, please for receiving the calling coming from user's transmission
Seek message；Trigger the initial filter standard or norm iFC of the first business set in advance in response to call request message, by answering in iFC
Insert the route field of call request message with server A S address parameter value, wherein, the first business is by the industry in non-IMS network
Business control point SCP provides, and AS address parameter value is the special domain name corresponding with the first business；Please to domain name resolution service system
Seek the inquiry corresponding IP address of special domain name；According to IP address, by the call request message inserting AS address parameter value send to
This IP address corresponding unified media gateway；
Domain name resolution service system 402, for receiving the inquiry request of CSCF, returns default unified media net to CSCF
The IP address closed；
Unified media gateway 403, for corresponding with the business trigger code of the first business based on the special domain name being stored
Relation, according to the special domain name in call request message route field, obtains the business trigger code with the first business, business is touched
Send out before being inserted into the called number of call request message, call request message is routed to the SCP in non-IMS network, by SCP
Execution provides a user with the operation of the first business.
Another specific example of system according to the invention embodiment and unrestricted, the AS address parameter value in iFC is concrete
It is the specific media gateway domain name corresponding with the first business, different specific media gateway domain names corresponds to the first different industry
Business.
Another specific example of system according to the invention embodiment and unrestricted, domain name resolution service system 402 is concrete
Including telephone number mapping and domain name system ENUM/DNS, this system also includes：Dispensing unit, in advance in ENUM/DNS
Configuration service resource SRV records, and the content of SRV record is specially：The different IP address corresponding to specific media gateway domain name
IP address for unified media gateway.
Shown in Figure 5, Fig. 5 illustrates that the system of the business of grappling in the ims network route provided by the present invention is another kind of
The structural representation of embodiment.This embodiment also includes：
Home subscriber server HSS501, for the CAMEL-Subscription-Information of the first business of being contracted according to user, sets for user in advance
Put the iFC of the first business；The iFC of the first business is saved in the user data of user.CSCF, is additionally operable to reception and comes from use
After the call request message that family sends, download the user data of user from HSS, obtain the iFC of the first business.
Another specific example of system according to the invention embodiment and unrestricted, user contract multiple business, number of users
Distinguish corresponding multiple iFC according to including multiple business；CSCF, specifically for receiving after call request message, by call request
The service point trigger SPT comprising in message and multiple iFC carry out matching detection；In response to one of SPT and multiple iFC
The SPT of iFC matches, and the iFC that this matches is the iFC of the first business, the iFC of triggering the first business.
Unrestricted according to another specific example of the inventive method embodiment, in response to many in SPT and multiple iFC
The SPT of individual iFC matches, and CSCF is additionally operable to according to predetermined priority orders, multiple iFC are ranked up；Call request is disappeared
The SPT comprising in breath carries out matching detection with the SPT of multiple iFC after sequence successively, and the iFC of the first business is specially and SPT
The iFC matching first.
Shown in Figure 6, Fig. 6 illustrate the business of grappling in the ims network provided by the present invention route system another
The structural representation of embodiment.In this embodiment, unified media gateway, it is additionally operable to the call request letter of Insert service trigger code
The SSP of breath reason extremely non-IMS network.This system also includes：
The service switching point 601 of non-IMS network, for receiving the call request information of Insert service trigger code, industry
Business trigger code, call request message is routed to the SCP of offer business；
The service control point (SCP) 602 of non-IMS network, for receiving call request message, execution provides a user with the first industry
The operation of business.
In each embodiment of present system, non-IMS network includes PSTN network, GSM network, appointing in cdma network
Meaning is a kind of.Accordingly, SSP can be respectively adopted INAP, CAMEL, WIN agreement and SCP interacts.
So far, the method for a kind of in the ims network grappling business route according to the present invention is described in detail and is
System.In order to avoid covering the design of the present invention, some details known in the field are not described.Those skilled in the art according to
Above description, completely it can be appreciated how implementing technical scheme disclosed herein.
In this specification, each embodiment is all described by the way of going forward one by one, and what each embodiment stressed is and it
The difference of its embodiment, same or analogous part cross-reference between each embodiment.For system embodiment
For, because it is substantially corresponding with embodiment of the method, so description is fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.
The method and system of the business of the grappling in the ims network route of the present invention may be achieved in many ways.For example,
The method of the present invention and system can be realized by any combinations of software, hardware, firmware or software, hardware, firmware.For
Merely to illustrating, the step of the method for the present invention is not limited to described in detail above the said sequence of the step of methods described
Order, unless specifically stated otherwise.Additionally, in certain embodiments, also the present invention can be embodied as recording in note
Program in recording medium, these programs include the machine readable instructions for realizing the method according to the invention.Thus, the present invention
Also cover storage for executing the recording medium of the program of the method according to the invention.
Although being described in detail to some specific embodiments of the present invention by example, the skill of this area
Art personnel it should be understood that above example is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (16)
1. a kind of method that in network in IP Multimedia System, grappling business route is it is characterised in that methods described includes：
Call conversation control function entity CSCF in IP Multimedia System IMS network receives the calling coming from user's transmission
Request message；
Trigger the initial filter standard or norm iFC of the first business set in advance in response to described call request message, described CSCF will
Application server AS address parameter value in described iFC inserts the route field of described call request message, wherein, described first
Business is provided by the service control point (SCP) in non-IMS network, and described AS address parameter value is corresponding with described first business
Special domain name；
Described CSCF is to the corresponding IP address of domain name special described in domain name resolution service system requesting query；
Domain name analysis service system returns the IP address of default unified media gateway to described CSCF；
Described CSCF, according to described IP address, the call request message inserting described AS address parameter value is sent to described IP ground
Location corresponding unified media gateway；
The corresponding relation based on the special domain name being stored and the business trigger code of the first business for the described unified media gateway, according to
Special domain name in described route field, obtains the business trigger code of described first business, described business trigger code is inserted into
Before the called number of described call request message, described call request message is routed to the SCP in described non-IMS network,
Executed from described SCP provides the operation of described first business to described user.
2. method according to claim 1 is it is characterised in that the AS parameter value in described iFC is specially and described first
The corresponding specific media gateway domain name of business, different specific media gateway domain names corresponds to the first different business.
3. method according to claim 2 is it is characterised in that domain name analysis service system includes telephone number mapping
With domain name system ENUM/DNS, methods described also includes：
Configuration service resource SRV record on described ENUM/DNS in advance, the content of described SRV record specifically includes：
The different IP address corresponding to specific media gateway domain name is the IP address of described unified media gateway.
4. method according to claim 3 is it is characterised in that methods described also includes：
The CAMEL-Subscription-Information of described first business of being contracted according to described user, the first business described in described user setup in advance
iFC；
The iFC of described first business is saved in the user data of described user of home subscriber server HSS；
The user of described user after described CSCF receives the call request message coming from user's transmission, is downloaded from described HSS
Data, obtains the iFC of described first business.
5. method according to claim 4 it is characterised in that described user contract multiple business, in described user data
Including the plurality of business corresponding multiple iFC respectively；Described in response to described call request message triggering set in advance the
The iFC of one business, specifically includes：
After described CSCF receives described call request message, by the service point comprising in described call request message trigger SPT
Carry out matching detection with the SPT of the plurality of iFC；
SPT in response to described SPT and one of the plurality of iFC iFC matches, and the described iFC matching is described the
The iFC of one business, triggers the iFC of described first business.
6. method according to claim 5 it is characterised in that described in response to many in described SPT and the plurality of iFC
The SPT of individual iFC matches, and methods described also includes：
Described CSCF is ranked up to the plurality of iFC according to predetermined priority orders；
The described SPT by the SPT comprising in described call request message and the plurality of iFC carries out matching detection, specifically includes：
Described the SPT comprising in described call request message is carried out mating inspection with the SPT of multiple iFC after described sequence successively
Survey；
The iFC of described first business is specially the iFC matching first with described SPT.
7. method according to claim 6 is it is characterised in that methods described also includes：
The call request information inserting described business trigger code is routed to the industry of described non-IMS network by described unified media gateway
Business exchanges point SSP；
According to described business trigger code, described call request message is routed to provides the SCP of described business to described SSP；
Described SCP executes the operation providing described first business to described user.
8. the method according to claim 1 to 7 any one is it is characterised in that described non-IMS network includes public exchange
Any one in telephone network PSTN network, global system for mobile communications GSM network, Code Division Multiple Access (CDMA) network.
9. the system that in a kind of network in IP Multimedia System, grappling business route is it is characterised in that described system includes：
Call conversation control function entity CSCF in IP Multimedia System IMS network, comes from user's transmission for receiving
Call request message；Trigger the initial filter standard or norm iFC of the first business set in advance in response to described call request message,
Application server AS address parameter value in described iFC is inserted the route field of described call request message, wherein, described
One business is provided by the service control point (SCP) in non-IMS network, and described AS address parameter value is corresponding with described first business
Special domain name；To the corresponding IP address of domain name special described in domain name resolution service system requesting query；According to described IP address,
The call request message inserting described AS address parameter value is sent to described IP address corresponding unified media gateway；
Domain name resolution service system, for receiving the inquiry request of described CSCF, returns default unified media to described CSCF
The IP address of gateway；
Unified media gateway, for the corresponding relation based on the special domain name being stored and the business trigger code of the first business, root
According to the special domain name in described call request message route field, obtain the business trigger code of described first business, by described industry
Before business trigger code is inserted into the called number of described call request message, described call request message is routed to described non-
SCP in IMS network, provides the operation of described first business to be executed from described SCP to described user.
10. system according to claim 9 is it is characterised in that the AS parameter value in described iFC is specially and described first
The corresponding specific media gateway domain name of business, different specific media gateway domain names corresponds to the first different business.
11. systems according to claim 10 are it is characterised in that domain name analysis service system specifically includes phone number
Code mapping and domain name system ENUM/DNS, described system also includes：
Dispensing unit, for configuration service resource SRV record on described ENUM/DNS in advance, the interior container of described SRV record
Body is：The described different IP address corresponding to specific media gateway domain name is the IP address of described unified media gateway.
12. systems according to claim 11 are it is characterised in that described system also includes：
Home subscriber server HSS, for the CAMEL-Subscription-Information of described first business of being contracted according to described user, in advance for described use
Family arranges the iFC of described first business；The iFC of described first business is saved in the user data of described user；
Described CSCF, after being additionally operable to receive the call request message coming from user's transmission, downloads described user from described HSS
User data, obtain described first business iFC.
13. systems according to claim 12 multiple business, described user data it is characterised in that described user contracts
Include the plurality of business corresponding multiple iFC respectively；Described CSCF, specifically for receiving after described call request message,
The service point comprising in described call request message trigger SPT and the plurality of iFC is carried out matching detection；In response to described
In SPT and the plurality of iFC, the SPT of an iFC matches, and one iFC of matching is the iFC of described first business,
Trigger the iFC of described first business.
14. systems according to claim 13 it is characterised in that described in response in described SPT and the plurality of iFC
The SPT of multiple iFC matches, described CSCF, is additionally operable to according to predetermined priority orders, the plurality of iFC is ranked up；
The SPT comprising in described call request message is carried out matching detection, described first industry with the multiple iFC after described sequence successively
The iFC of business is specially the iFC matching first with described SPT.
15. systems according to claim 14, it is characterised in that described unified media gateway, are additionally operable to insertion is described
The service switching point of the call request information reason of business trigger code extremely non-IMS network；
Described system also includes：
The SSP of non-IMS network, for receiving the call request information having inserted described business trigger code, touches according to described business
Described call request message is routed to and provides the SCP of described business by signaling；
The SCP of non-IMS network, for receiving call request message, executes the operation providing described first business to described user.
16. systems according to claim 9 to 15 any one are it is characterised in that described non-IMS network includes PSTN net
Any one in network, GSM network, cdma network.
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| CN109451491B (en) * | 2019-01-04 | 2021-10-01 | 中国联合网络通信集团有限公司 | A communication method for number portability and network transfer, and a calling service control point |
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