CN106550456B - A kind of method, apparatus and application server of signaling paths optimization - Google Patents
A kind of method, apparatus and application server of signaling paths optimization Download PDFInfo
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- CN106550456B CN106550456B CN201510594423.5A CN201510594423A CN106550456B CN 106550456 B CN106550456 B CN 106550456B CN 201510594423 A CN201510594423 A CN 201510594423A CN 106550456 B CN106550456 B CN 106550456B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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Abstract
The present invention provides the method, apparatus and application server of a kind of signaling paths optimization, it is related to core net field, the wherein method of signaling paths optimization, include: the call connection request for obtaining the calling number calling called number under consolidated network standard, wherein carried in the call connection request calling number and or the called number pass by and roaming function TRF header field；According to the call connection request, the ownership place of the calling number and the ownership place of the called number are determined；When the ownership place of the calling number and the ownership place of the called number are same ownership place, the TRF header field is deleted, by master home the calling connection signaling of equipment establishes the calling connection of the calling number Yu the called number.Reduce the detour of signaling in this way, to decrease additional connection time delay, and also improves the experience effect of user.
Description
Technical field
The present invention relates to core net fields, more particularly to the method, apparatus and application service of a kind of optimization of signaling paths
Device.
Background technique
International Roaming Plan in standard:
The international roaming of current VoLTE (Voice over Long Term Evolution, long term evolution voice) has two
Kind mode, roams one of VPMN (Virtual Private Mobile Network, Virtual Private Mobile Network) to come
It says, it is the roaming mode based on visited place routing, and the characteristics of roaming mode is not consider to force media detour home domain, only
Meets the needs of routing optimality and charging, such as Fig. 1 (solid line indicate be that control that plane and dotted line show is user plane)
And shown in Fig. 2, network support TRF (Transit and Roaming Function, pass by and roaming function) and OMR is needed
(Optimal Media Routing, best media routing).
Specifically as shown in Figure 1: by using P-CSCF (the Proxy-Call Session Control of visited place
Funtion, Proxy Call Session Control Function), signaling is transmitted back to visited place after the home domain processing for returning to user equipment (UE)
TRF, receive home domain treated the call signaling in UE.Allow the visited place of UE that media and signaling are directly transmitted to mesh
Address, the routing detour of the home domain of UE is avoided using OMR.
It is specific as shown in Figure 2: by SBC (Session Border Controller, Session Border Controller) in master
When being initiation access invite, increase TRF header field in invite message；Later, home-operator S-CSCF (Servicec-
Call Session Control Funtion, service-call session control function) identification TRF head, it is added to road for TRF
By in route；Then, home operator network parses TRF, routes to caller visited place；Subsequently, by caller
Visited place is routed, and subsequent called flow is executed；Finally, medium surface obtains final media path according to OMR algorithm,
Carry out media routing.
Since VPMN roaming is GSMA (Global System for Mobile Communication
Association, global system for mobile communications association) suggested design, although media can reach shorter path, by
In there is signaling detour, additional connection time delay can be brought, user experience is influenced.
Summary of the invention
The method, apparatus and application server for being designed to provide a kind of signaling paths optimization of the embodiment of the present invention, with
The VPMN roaming for solving the prior art, due to there is signaling detour, can bring additional connection time delay, influence asking for user experience
Topic.
To achieve the goals above, the method for a kind of signaling paths optimization provided in an embodiment of the present invention, comprising:
The call connection request for obtaining the calling number calling called number under consolidated network standard, wherein the calling connects
Connect carried in request the calling number and or the called number pass by and roaming function TRF header field；
According to the call connection request, the ownership place of the calling number and the ownership place of the called number are determined；
When the ownership place of the calling number and the ownership place of the called number are same ownership place, described in deletion
TRF header field, by master home the calling connection signaling of equipment establishes the calling number and the calling of the called number connects
It connects.
Wherein, described according to the call connection request, determine the ownership place and the called number of the calling number
Ownership place after, the method for signaling paths optimization further include:
When the ownership place of the calling number and the ownership place of the called number are not same ownership place, according to described
The caller visited place equipment of TRF header field described in calling number is visitd with controlling signalling route to the caller of the TRF header field
Ground equipment is visited, exhaling for the calling number and the called number is established by the calling connection signaling of caller visited place equipment
Cry connection.
Further, the ownership place of the ownership place of the calling number and the called number is same ownership place, comprising:
Obtain the calling number and the self-contained session initiation protocol-uniform resource identifier of the called number
Sip-uri, wherein the sip-uri includes the ownership region name of each number；
The ownership place of the sip-uri of ownership region name and the called number in the sip-uri of the calling number
When domain name is identical, the ownership place of the ownership place and the called number that determine the calling number is same ownership place.
Further, the calling connection signaling of by master home the equipment is established the calling number and is called with described
The calling connection of number, comprising:
By the interrogation-call session control function I- of the calling connection signaling with being sent to master home equipment
CSCF inquires home signature user server HSS by the I-CSCF and routes to the Serving-Call session of the called number
Control function S-CSCF, and the called number is paged by the S-CSCF.
Further, the call connection request of the calling number calling called number obtained under consolidated network standard,
Include:
Through IP transition network equipment transparent transmission, the calling number obtained under consolidated network standard calls the called number
Call connection request.
The embodiment of the present invention also provides a kind of device of signaling paths optimization, comprising:
Module is obtained, for obtaining the call connection request of the calling called number of the calling number under consolidated network standard,
Wherein carried in the call connection request calling number and or the called number pass by and roaming function TRF
Header field；
Determining module, for according to the call connection request, determining the ownership place of the calling number and described called
The ownership place of number；
Control module, the ownership place for ownership place and the called number in the calling number are same ownership place
When, the TRF header field is deleted, by master home the calling connection signaling of equipment establishes the calling number and the called number
The calling connection of code.
Wherein, the control module be also used to the calling number ownership place and the called number ownership place not
When being same ownership place, according to the caller visited place equipment of TRF header field described in the calling number, to control the TRF head
The signalling route in domain establishes the master by the calling connection signaling of caller visited place equipment to caller visited place equipment
It calls out the numbers the calling connection of code and the called number.
Further, the control module includes:
First acquisition submodule, for obtaining the calling number and the self-contained conversation initial of the called number
Agreement-uniform resource identifier sip-uri, wherein the sip-uri includes the ownership region name of each number；
Determine submodule, in the sip-uri of the calling number ownership region name and the called number
When the ownership region name of sip-uri is identical, the ownership place of the ownership place and the called number that determine the calling number is same
One ownership place.
Further, the control module includes:
Control submodule, for by inquiry-calling of the calling connection signaling with being sent to master home equipment
Conversation control function I-CSCF inquires home signature user server HSS by the I-CSCF and routes to the called number
Service-call session control function S-CSCF, and the called number is paged by the S-CSCF.
Further, the acquisition module includes:
Second acquisition submodule, for obtaining the caller under consolidated network standard through IP transition network equipment transparent transmission
The call connection request of called number described in number call.
The embodiment of the present invention also provides a kind of application server, the device optimized including above-mentioned signaling paths.
The above-mentioned technical proposal of the embodiment of the present invention has the beneficial effect that:
In the scheme of the embodiment of the present invention, by the TRF header field of call connection request, and then learns calling number and be called
At least one number is in visited place in number, then by judging the ownership place of calling number and called number, in caller
When the ownership place of number and called number belongs to same ownership place, TRF header field is deleted, so that calling connection signaling will not be circuitous
It is back to visited place equipment, but by master home the calling connection signaling of equipment establishes the calling of calling number and called number
Connection, reduces the detour of signaling in this way, to decrease additional connection time delay, improves the experience effect of user.
Detailed description of the invention
Fig. 1 is the interactive connection figure of the VPMN roaming mode of the prior art；
Fig. 2 is the schematic drawing of the interactive connection of the VPMN roaming mode of the prior art；
Fig. 3 is the step schematic diagram for the method that the signaling paths of the embodiment of the present invention optimize；
Fig. 4 is the schematic drawing of the interactive connection for the method that the signaling paths of the embodiment of the present invention optimize；
Fig. 5 is the structural schematic diagram for the device that the signaling paths of the embodiment of the present invention optimize.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
Although the embodiment of the present invention, which roams media for VPMN in the prior art, can reach shorter path, due to
The problem of having signaling detour, bringing additional connection time delay, influence user experience, provides a kind of side of signaling paths optimization
Method, device and application server, calling number and at least one number of called number are in visited place, are sentenced by application server
When disconnected calling number and called number are same ownership place, then do not need to travel back across calling connection signaling into visited place equipment, and
Directly by master home equipment establishes the communication of calling number and called number, can reduce the detour of signaling in this way, also subtract
Few additional connection time delay, improves user experience effect.
First embodiment
As shown in figure 3, the method for signaling paths optimization, comprising:
Step 11, the call connection request of the calling number calling called number under consolidated network standard is obtained, wherein institute
State carried in call connection request the calling number and or the called number pass by and roaming function TRF header field；
Step 12, according to the call connection request, the ownership place and the called number of the calling number are determined
Ownership place；
Step 13, it when the ownership place of the ownership place of the calling number and the called number is same ownership place, deletes
Except the TRF header field, by master home the calling connection signaling of equipment establishes the calling number and the called number
Calling connection.
In the embodiment of the present invention, by the TRF header field (step 11) of call connection request, and then learn calling number and by
At least one number in code of calling out the numbers is in visited place, then by judging the ownership place (step of calling number and called number
12), when the ownership place of calling number and called number belongs to same ownership place, TRF header field (step 13) is deleted, so that
Calling connection signaling will not detour to visited place equipment, but by master home the calling connection signaling of equipment establishes caller number
The calling connection of code and called number, reduces the detour of signaling in this way, to decrease additional connection time delay, improves
The experience effect of user.
It should be understood that specifically being can be in step 11 through IP transition network equipment transparent transmission, consolidated network standard is obtained
Under above-mentioned calling number call the call connection request of above-mentioned called number.The wherein IP transition network equipment (IP Packet
Exchange, IPX are referred to as) it can refer to typical international switching quotient, it is also possible to CMI (China Mobile
International Limited, international corporation, China Mobile).
In addition, above-mentioned deletion TRF header field is to be able to that signaling is not allowed to return again to visited network, logic judgment caller is carried out
Number and called number belong in the same ownership place.
Second embodiment
The method of signaling paths optimization, it is described according to the call connection request, determine the ownership of the calling number
After the ownership place of ground and the called number, further includes:
Step 14, when the ownership place of the ownership place of the calling number and the called number is not same ownership place,
According to the caller visited place equipment of TRF header field described in the calling number, to control the signalling route of the TRF header field to institute
Caller visited place equipment is stated, the calling number is established by the calling connection signaling of caller visited place equipment and is called with described
The calling connection of number.
In the embodiment of the present invention, if the ownership place of calling number and called number is not identical, set by caller visited place
The standby calling connection that calling number and called number are established by calling connection signaling, may be implemented calling number ownership place and
The ownership place of called number is not the calling connection of same ownership place, enhances the extensive use of the embodiment of the present invention.
3rd embodiment
The signaling paths optimization method, may include:
Step 11, it through IP transition network equipment transparent transmission, obtains described in the calling number calling under consolidated network standard
The call connection request of called number, wherein carrying the calling number and or described called in the call connection request
Number passes by and roaming function TRF header field；
Step 12, according to the call connection request, the ownership place and the called number of the calling number are determined
Ownership place；
Step 131, the calling number and the self-contained session initiation protocol of the called number-unification money are obtained
Source identifier sip-uri, wherein the sip-uri includes the ownership region name of each number；
Step 132, the sip-uri of the ownership region name in the sip-uri of the calling number and the called number
Ownership region name it is identical when, determine the calling number ownership place and the called number ownership place be same ownership
Ground；
Step 13, it when the ownership place of the ownership place of the calling number and the called number is same ownership place, deletes
Except the TRF header field, by master home the calling connection signaling of equipment establishes the calling number and the called number
Calling connection.
In the embodiment of the present invention, by the TRF header field (step 11) of call connection request, and then learn calling number and by
At least one number in code of calling out the numbers is in visited place, then by judging the ownership place (step of calling number and called number
12), specifically again by judging the sip-uri (step 131) of each local number portability, the ownership in the sip-uri of calling number
When region name is identical as the ownership region name of the sip-uri of called number, so that it may determine the ownership place of calling number and be called
The ownership place of number is same ownership place (step 132), and then deletes TRF header field (step 13), so that calling connection is believed
Enable will not detour to visited place equipment, but by master home the calling connection signaling of equipment establishes calling number and called number
The calling connection of code, reduces the detour of signaling in this way, to decrease additional connection time delay, improves the experience of user
Effect.
It should be understood that specifically being can be in step 11 through IP transition network equipment transparent transmission, consolidated network standard is obtained
Under the calling number call the call connection request of the called number.The wherein IP transition network equipment (IP Packet
Exchange, IPX are referred to as) it can refer to typical international switching quotient, it is also possible to CMI (China Mobile
International Limited, international corporation, China Mobile).
In addition, above-mentioned deletion TRF header field is to be able to that signaling is not allowed to return again to visited network, logic judgment caller is carried out
Number and called number belong in the same ownership place.
In addition, in above-mentioned steps 131 and step 132, the ownership place of calling number and the ownership place of called number are determined
Specific judgement, whether the ownership place for being equivalent to the ownership place and called number that judge to determine calling number is to belong to the same domain
By domain name, i.e., each user has a sip uri (Session Initiation Protocol Uniform Resource
Identifier, session initiation protocol uniform resource identifier), for example that China Mobile is+86138AAAABBBB@
mnc000.mcc460.3gppnetwork.org.If the ownership place of the ownership place and called number of calling number is subsequent
Domain name is consistent, then can differentiate be same ownership place number.
Fourth embodiment
The signaling paths optimization method, may include:
Step 11, it through IP transition network equipment transparent transmission, obtains described in the calling number calling under consolidated network standard
The call connection request of called number, wherein carrying the calling number and or described called in the call connection request
Number passes by and roaming function TRF header field；
Step 12, according to the call connection request, the ownership place and the called number of the calling number are determined
Ownership place；
Step 133, it when the ownership place of the ownership place of the calling number and the called number is same ownership place, deletes
Except the TRF header field, as shown in figure 4, by inquiry-calling of the calling connection signaling with being sent to master home equipment
Conversation control function I-CSCF inquires home signature user server HSS by the I-CSCF and routes to the called number
Service-call session control function S-CSCF, and the called number is paged by the S-CSCF.
In the embodiment of the present invention, by the TRF header field (step 11) of call connection request, and then learn calling number and by
At least one number in code of calling out the numbers is in visited place, then by judging the ownership place (step of calling number and called number
12), when the ownership place of calling number and called number belongs to same ownership place, TRF header field is deleted, so that calling connection
Signaling will not detour to visited place equipment, but by master home the calling connection signaling of equipment establishes calling number and called
Calling connection (the step 133) of number, reduces the detour of signaling in this way, to decrease additional connection time delay, improves
The experience effect of user.
It should be understood that specifically being can be in step 11 through IP transition network equipment transparent transmission, consolidated network standard is obtained
Under the calling number call the call connection request of the called number.The wherein IP transition network equipment (IP Packet
Exchange, IPX are referred to as) it can refer to typical international switching quotient, it is also possible to CMI (China Mobile
International Limited, international corporation, China Mobile).
In addition, above-mentioned deletion TRF header field is to be able to that signaling is not allowed to return again to visited network, logic judgment caller is carried out
Number and called number belong in the same ownership place.
In addition, in above-mentioned steps 131 and step 132, the ownership place of calling number and the ownership place of called number are determined
Specific judgment mode, whether the ownership place for being equivalent to the ownership place and called number that judge calling number is to belong to same return
The domain name in possession, i.e., each user have a sip uri (Session Initiation Protocol Uniform
Resource Identifier, session initiation protocol uniform resource identifier), for example, China Mobile be+
[email protected] the ownership place of calling number and called number
Domain name is consistent behind ownership place, then can differentiate be same ownership place number.
The concrete example of the embodiment of the present invention is as follows:
Step 401, SBC increases TRF header field when invite is initiated in caller in invite message；
Step 402, home-operator AS (application servers, application server) identify called number with
Calling number is attributed to a domain, then deletes TRF header field；
Step 403, master home equipment execute subsequent called routing process；
Step 404, at this time since calling and called are in the same domain, OMR algorithm remains to come into force, therefore media are still optimal road
Diameter.
In the example above, the calling number and called number are in visited place, and the embodiment of the present invention can also be implemented
In calling number is in visited place and called number is in ownership place the case where, it also can be implemented and be in ownership in calling number
The case where ground and called number are in visited place, deletes TRF header field in this way, so that calling connection signaling will not detour
To visited place equipment, signaling detour brought by roaming is reduced, also by retaining OMR algorithm, and then also retains roaming
Media path can make media path and mode be similarly obtained optimization.
In addition, it is necessary to explanation: OMR algorithm is using optimizing media path.Media path can be used in such as Fig. 4
Dotted line between the equipment of family is embodied.
OMR algorithm belongs to well-known technique, as shown in figure 4, being to realize between IBCF/TrGW, in order to allow media not return
To belonging area network, directly dredged in visited network.
OMR algorithm is that media path is optimal and signaling is to separate routing, if the letter mentioned using the embodiment of the present invention
Optimization method is enabled, the method for media optimization is equally applicable, and media path is consistent with signaling optimization front and back, therefore herein no longer
It repeats.
5th embodiment
The signaling paths optimization method, may include:
Step 11, it through IP transition network equipment transparent transmission, obtains described in the calling number calling under consolidated network standard
The call connection request of called number, wherein carrying the calling number and or described called in the call connection request
Number passes by and roaming function TRF header field；
Step 12, according to the call connection request, the ownership place and the called number of the calling number are determined
Ownership place；
Step 133, it when the ownership place of the ownership place of the calling number and the called number is same ownership place, deletes
Except the TRF header field, as shown in figure 4, by inquiry-calling of the calling connection signaling with being sent to master home equipment
Conversation control function I-CSCF inquires home signature user server HSS by the I-CSCF and routes to the called number
Service-call session control function S-CSCF, and the called number is paged by the S-CSCF；
Step 14, when the ownership place of the ownership place of the calling number and the called number is not same ownership place,
According to the caller visited place equipment of TRF header field described in the calling number, to control the signalling route of the TRF header field to institute
Caller visited place equipment is stated, the calling number is established by the calling connection signaling of caller visited place equipment and is called with described
The calling connection of number.
In the embodiment of the present invention, by deleting when the ownership place of calling number and called number belongs to same ownership place
TRF header field so that calling connection signaling will not detour to visited place equipment, but by master home the calling of equipment connects
Calling connection (the step 133) that signaling establishes calling number and called number is connect, but if calling number and called number are returned
Possession is not identical, then establishes the calling number and the called number by calling connection signaling by caller visited place equipment
Calling connection (step 14), the ownership place of ownership place and called number that calling number also may be implemented are not same ownership place
Calling connection enhances the extensive use of the embodiment of the present invention.
Sixth embodiment
The signaling paths optimization method, may include:
Step 11, it through IP transition network equipment transparent transmission, obtains described in the calling number calling under consolidated network standard
The call connection request of called number, wherein carrying the calling number and or described called in the call connection request
Number passes by and roaming function TRF header field；
Step 12, according to the call connection request, the ownership place and the called number of the calling number are determined
Ownership place；
Step 131, the calling number and the self-contained session initiation protocol of the called number-unification money are obtained
Source identifier sip-uri, wherein the sip-uri includes the ownership region name of each number；
Step 132, the sip-uri of the ownership region name in the sip-uri of the calling number and the called number
Ownership region name it is identical when, determine the calling number ownership place and the called number ownership place be same ownership
Ground；
Step 133, it when the ownership place of the ownership place of the calling number and the called number is same ownership place, deletes
Except the TRF header field, by inquiry-Call-Establish-Success rate function of the calling connection signaling with being sent to master home equipment
Energy I-CSCF inquires home signature user server HSS by the I-CSCF and routes to the Serving-Call of the called number
Conversation control function S-CSCF, and the called number is paged by the S-CSCF.
In the embodiment of the present invention, by the TRF header field (step 11) of call connection request, and then learn calling number and by
At least one number in code of calling out the numbers is in visited place, then by judging the ownership place (step of calling number and called number
12) ownership place, especially by the sip-uri (step 131) for judging each local number portability, in the sip-uri of calling number
When domain name is identical as the ownership region name of the sip-uri of called number, so that it may determine the ownership place and called number of calling number
The ownership place of code is same ownership place (step 132), and then deletes TRF header field, so that calling connection signaling will not detour
To visited place equipment, but by master home the calling connection signaling of equipment establishes calling number and the calling of called number connects
(step 133) is connect, reduces the detour of signaling in this way, to decrease additional connection time delay, improves the experience of user
Effect.
It should be understood that specifically being can be in step 11 through IP transition network equipment transparent transmission, consolidated network standard is obtained
Under the calling number call the call connection request of the called number.The wherein IP transition network equipment (IP Packet
Exchange, IPX are referred to as) it can refer to typical international switching quotient, it is also possible to CMI (China Mobile
International Limited, international corporation, China Mobile).
In addition, above-mentioned deletion TRF header field is to be able to that signaling is not allowed to return again to visited network, logic judgment caller is carried out
Number and called number belong in the same ownership place.
In addition, in above-mentioned steps 131 and step 132, the ownership place of calling number and the ownership place of called number are determined
Specific judgement, whether the ownership place for being equivalent to the ownership place and called number that judge to determine calling number is to belong to the same domain
By domain name, i.e., each user has a sip uri (Session Initiation Protocol Uniform Resource
Identifier, session initiation protocol uniform resource identifier), for example that China Mobile is+86138AAAABBBB@
mnc000.mcc460.3gppnetwork.org.If the ownership place of the ownership place and called number of calling number is subsequent
Domain name is consistent, then can differentiate be same ownership place number.
7th embodiment
As shown in figure 5, the device of signaling paths optimization, may include:
Module 51 is obtained, the calling connection for obtaining the calling called number of the calling number under consolidated network standard is asked
Ask, wherein carried in the call connection request calling number and or the called number pass by and roaming function
TRF header field；
Determining module 52, for determining the ownership place and the quilt of the calling number according to the call connection request
It calls out the numbers the ownership place of code；
Control module 53, the ownership place for ownership place and the called number in the calling number are same ownership
When ground, the TRF header field is deleted, by master home the calling connection signaling of equipment is established the calling number and is called with described
The calling connection of number.
In the embodiment of the present invention, the call connection request with TRF header field is obtained by obtaining module 51, and then learn master
At least one number in code and called number of calling out the numbers is in visited place, then again by determining module 52 judge calling number and
The ownership place of called number finally belongs to same ownership place in the ownership place of calling number and called number using control module 53
When, delete TRF header field so that calling connection signaling will not detour to visited place equipment, but by master home equipment
Calling connection signaling establish the calling connection of calling number and called number, reduce the detour of signaling in this way, to also subtract
Lack additional connection time delay, improves the experience effect of user.
It should be understood that specifically being can be in step 11 through IP transition network equipment transparent transmission, consolidated network standard is obtained
Under the calling number call the call connection request of the called number.The wherein IP transition network equipment (IP Packet
Exchange, IPX are referred to as) it can refer to typical international switching quotient, it is also possible to CMI (China Mobile
International Limited, international corporation, China Mobile).
In addition, above-mentioned deletion TRF header field is to be able to that signaling is not allowed to return again to visited network, logic judgment caller is carried out
Number and called number belong in the same ownership place.
It should be noted that device provided by the invention be using above-mentioned signaling paths optimization method device, then on
All embodiments for stating the method for signaling paths optimization are suitable for the device, and can reach the same or similar beneficial to effect
Fruit.
In the device of the signaling paths optimization of the eighth embodiment of the present invention, the control module 53 is also used in the master
The ownership place of code is called out the numbers and when the ownership place of the called number is not same ownership place, according to the calling number
The caller visited place equipment of TRF header field, to control the signalling route of the TRF header field to caller visited place equipment, by institute
The calling connection signaling for stating caller visited place equipment establishes the calling connection of the calling number Yu the called number.
In the device of the signaling paths optimization of the ninth embodiment of the present invention, the control module includes:
First acquisition submodule, for obtaining the calling number and the self-contained conversation initial of the called number
Agreement-uniform resource identifier sip-uri, wherein the sip-uri includes the ownership region name of each number；
Determine submodule, in the sip-uri of the calling number ownership region name and the called number
When the ownership region name of sip-uri is identical, the ownership place of the ownership place and the called number that determine the calling number is same
One ownership place.
In the device of the signaling paths optimization of the tenth embodiment of the present invention, the control module includes:
Control submodule, for by inquiry-calling of the calling connection signaling with being sent to master home equipment
Conversation control function I-CSCF inquires home signature user server HSS by the I-CSCF and routes to the called number
Service-call session control function S-CSCF, and the called number is paged by the S-CSCF.
In the device of the signaling paths optimization of the 11st embodiment of the present invention, the acquisition module includes:
Second acquisition submodule, for obtaining the caller under consolidated network standard through IP transition network equipment transparent transmission
The call connection request of called number described in number call.
The present invention also provides the 12nd embodiment application server in, the dress that optimizes including such as above-mentioned signaling paths
It sets.
The inventive embodiments increase the processing function requirement of AS (application servers, application server), if
When AS differentiates that called number ownership place is identical as calling number ownership place, then AS deletes TRF header field, is then directly returned by caller
Possession equipment routing paging called number.
Accordingly due to the device that the signaling paths of the embodiment of the present invention optimize, it is applied to application server, therefore, this hair
Bright embodiment additionally provides a kind of application server, wherein the realization embodiment of the device of above-mentioned signaling paths optimization is equal
Suitable for the embodiment of the application server, it can also reach identical technical effect.
In addition, being applied to IP multimedia subsystem due to the application server of the embodiment of the present invention, therefore, the present invention is real
It applies example and additionally provides a kind of IP multimedia subsystem, wherein the realization embodiment of above-mentioned application server is suitable for this
In the embodiment of IP multimedia subsystem, it can also reach identical technical effect.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of method of signaling paths optimization characterized by comprising
The call connection request for obtaining the calling number calling called number under consolidated network standard, wherein the calling connection is asked
Carried in asking the calling number and or the called number pass by and roaming function TRF header field；
According to the call connection request, the ownership place of the calling number and the ownership place of the called number are determined；
When the ownership place of the calling number and the ownership place of the called number are same ownership place, the TRF head is deleted
Domain, by master home the calling connection signaling of equipment establishes the calling connection of the calling number Yu the called number.
2. the method for signaling paths optimization according to claim 1, which is characterized in that described to be asked according to the calling connection
It asks, after determining the ownership place of the calling number and the ownership place of the called number, further includes:
When the ownership place of the calling number and the ownership place of the called number are not same ownership place, according to the caller
The caller visited place equipment of TRF header field described in number, to control the signalling route of the TRF header field to the caller visited place
Equipment is connected by the calling that the calling connection signaling of caller visited place equipment establishes the calling number and the called number
It connects.
3. the method for signaling paths optimization according to claim 1, which is characterized in that
The ownership place of the ownership place of the calling number and the called number is same ownership place, comprising:
Obtain the calling number and the self-contained session initiation protocol-uniform resource identifier sip- of the called number
Uri, wherein the sip-uri includes the ownership region name of each number；
The ownership region name of the sip-uri of ownership region name and the called number in the sip-uri of the calling number
When identical, the ownership place of the ownership place and the called number that determine the calling number is same ownership place.
4. the method for signaling paths optimization according to any one of claims 1 to 3, which is characterized in that
The calling connection signaling of by master home the equipment establishes the calling number and the calling of the called number connects
It connects, comprising:
By the interrogation-call session control function I-CSCF of the calling connection signaling with being sent to master home equipment,
Home signature user server HSS is inquired by the I-CSCF and routes to the Serving-Call session control of the called number
Function S-CSCF, and the called number is paged by the S-CSCF.
5. the method for signaling paths optimization according to any one of claims 1 to 3, which is characterized in that
The call connection request of the calling number calling called number obtained under consolidated network standard, comprising:
Through IP transition network equipment transparent transmission, the calling number obtained under consolidated network standard calls exhaling for the called number
It is connection request.
6. a kind of device of signaling paths optimization characterized by comprising
Module is obtained, for obtaining the call connection request of the calling called number of the calling number under consolidated network standard, wherein
Carried in the call connection request calling number and or the called number pass by and roaming function TRF header field；
Determining module, for determining the ownership place and the called number of the calling number according to the call connection request
Ownership place；
Control module, when the ownership place for ownership place and the called number in the calling number is same ownership place,
The TRF header field is deleted, by master home the calling connection signaling of equipment establishes the calling number and the called number
Calling connection.
7. the device of signaling paths optimization according to claim 6, which is characterized in that the control module is also used in institute
When the ownership place of the ownership place and the called number of stating calling number is not same ownership place, according to institute in the calling number
The caller visited place equipment of TRF header field is stated, to control the signalling route of the TRF header field to caller visited place equipment, by
The calling connection signaling of caller visited place equipment establishes the calling connection of the calling number Yu the called number.
8. the device of signaling paths according to claim 6 optimization, which is characterized in that the control module includes:
First acquisition submodule, for obtain the calling number and the called number it is self-contained conversation initial association
View-uniform resource identifier sip-uri, wherein the sip-uri includes the ownership region name of each number；
Determine submodule, the sip- for ownership region name and the called number in the sip-uri of the calling number
When the ownership region name of uri is identical, the ownership place of the ownership place and the called number that determine the calling number is same returns
Possession.
9. according to the device of the described in any item signaling paths optimizations of claim 6 to 8, which is characterized in that the control module
Include:
Control submodule, for by inquiry-call session of the calling connection signaling with being sent to master home equipment
Control function I-CSCF inquires home signature user server HSS by the I-CSCF and routes to the clothes of the called number
Business-call session control function S-CSCF, and the called number is paged by the S-CSCF.
10. according to the device of the described in any item signaling paths optimizations of claim 6 to 8, which is characterized in that the acquisition module
Include:
Second acquisition submodule, for obtaining the calling number under consolidated network standard through IP transition network equipment transparent transmission
Call the call connection request of the called number.
11. a kind of application server, which is characterized in that including the described in any item signaling paths optimizations of claim 6 to 10
Device.
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