CN103457938B - Route calling method, device and system - Google Patents
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Abstract
The invention provides a route calling method, device and system, and relates to the technical field of communications. The method comprises the steps that a calling request sent by a CS network in a first-level region is received by a first MGCF; a first-level region which a called number contained in the calling request belongs to is determined by the first MGCF according to configured number information of each first-level region; if the number does not belong to the first-level region, the calling request is routed to a second MGCF of the first-level region which the called number belongs to by the first MGCF so that the calling request can be routed to a CS network in the first-level region which the called number belongs to by the second MGCF. According to the technical scheme of the route calling method, device and system, cross-region calling between CS network users is unclogged through an IMS network, terminal resources of traditional long-distance networks are saved, and advantages of the IMS network can be fully utilized.
Description
Technical field
The present invention relates to the communications field, more particularly, to a kind of call route method, apparatus and system.
Background technology
IMS (IP Multimedia Subsystem, IP Multimedia System) is a kind of brand-new multimedia service shape
Formula, as a kind of technology that can realize the full IPization of network, simple, flexibly, standard open and be it independent of access network
Main feature, IMS network disclosure satisfy that the demand to more novel, more diversified multimedia service for the present terminal client, becomes
The core of converged communication system of future generation, is also the evolution tendency of language exchange network.
In following evolution of IMS network, within a very long time will with based on CS（circuit
Switching, circuit switching）Telephone network（The circuit-switched network such as including PLMN, GSM）Coexist, therefore, realize IMS net
Network is very important with the traffic intercommunication of CS network.IMS network and the traffic intercommunication of CS network are only limited to IMS network use at present
Family and the CS network user（Non- IMS network user）Between traffic intercommunication, and the traffic between the CS network user still only pass through pass
System CS network.
Therefore, in existing scheme, the calling transprovincially between the CS network user in different provinces can only pass through CS long-distance network,
Occupy the port resource of traditional long-distance network it is impossible to the advantage brought using the intercommunication of IMS network IP.
Content of the invention
The present invention provides a kind of call route method, and methods described specifically includes：
First MGCF receives the call request that this province CS network sends；
First MGCF receives the call request of this level-1 area CS network transmission；
The number section information of each level-1 area according to configuration for the described MGCF, determines the quilt comprising in described call request
It is the level-1 area of number home；
If not this level-1 area number, then described call request is routed to described called number and returns by a described MGCF
2nd MGCF of the level-1 area belonging to, so that described call request is routed to described called number ownership by described 2nd MGCF
The CS network of level-1 area.
The present invention provides another call route method, specifically includes:
The gateway exchange of the CS network of the level-1 area of the ownership of called number receives the call request that the 2nd MGCF sends, institute
The CS network stating the level-1 area that call request is belonged to by calling subscribe is sent to the level-1 area that described calling subscribe belongs to
First MGCF, and by a described MGCF according to the number section information of each level-1 area configuring, determine bag in described call request
After the level-1 area of called number ownership containing, it is sent to described the second of the level-1 area that described called number belongs to
MGCF；
If it is determined that described called number is the Subscriber Number of present networks, then described call request is routed to described called number
The corresponding user terminal of code.
The present invention provides another kind of call route method, including：
2nd MGCF receives the call request that a MGCF sends, the one-level area that described call request is belonged to by calling subscribe
The CS network in domain is sent to a described MGCF of the level-1 area of described calling subscribe ownership, and by a described MGCF according to
Configuration each level-1 area number section information, determine comprise in described call request called number ownership level-1 area it
Afterwards, it is sent to described 2nd MGCF of the level-1 area of described called number ownership；
Described call request is sent to the CS network of the level-1 area of called number ownership by described 2nd MGCF.
The present invention provides a kind of call routing device, including：
Receiver module, for receiving the call request of this level-1 area CS network transmission；
Determining module, for the number section information of each level-1 area according to configuration, determines and comprises in described call request
The level-1 area of called number ownership；
Routing module, for when determining that described called number is not this level-1 area number, by described call request road
By the 2nd MGCF of the level-1 area belonging to described called number, so that described call request is routed to by described 2nd MGCF
The CS network of the level-1 area of described called number ownership.
The present invention provides another call routing device, including：
Receiver module, for receiving the call request that the 2nd MGCF sends, described call request is belonged to by calling subscribe
The CS network of level-1 area is sent to a MGCF of the level-1 area of described calling subscribe's ownership, and by a described MGCF root
According to configuration each level-1 area number section information, determine comprise in described call request called number ownership level-1 area it
Afterwards, it is sent to described 2nd MGCF of the level-1 area of described called number ownership；
Routing module, for when determining the Subscriber Number that described called number is present networks, by described call request road
By to the corresponding user terminal of described called number.
The present invention provides another kind of call routing device, including：
Receiver module, for receiving the call request that a MGCF sends, described call request is belonged to by calling subscribe
The CS network of level-1 area is sent to a described MGCF of the level-1 area of described calling subscribe ownership, and by described first
The number section information of each level-1 area according to configuration for the MGCF, determines the one-level of the called number ownership comprising in described call request
After region, it is sent to described 2nd MGCF of the level-1 area of described called number ownership；
Sending module, for being sent to the CS network of the level-1 area of called number ownership by described call request.
The present invention provides a kind of call route system, and described system includes：
First MGCF, for receiving the call request of this level-1 area CS network transmission, according to each level-1 area of configuration
Number section information, determine comprise in described call request called number ownership level-1 area, and determine described called number
When code is not this level-1 area number, described call request is routed to the second of the level-1 area that described called number belongs to
MGCF；
Described 2nd MGCF, for receiving the described call request that a described MGCF sends, and by described call request
It is sent to the CS network of the level-1 area of called number ownership；
The gateway exchange of the CS network of level-1 area of described called number ownership, for receiving what described 2nd MGCF sent
Described call request, and when determining the Subscriber Number that described called number is present networks, described call request is routed to institute
State the corresponding user terminal of called number.
Between technical scheme it is achieved that dredge the CS network user of different level-1 areas by IMS network
Trans-regional calling, the calling between the CS network user of level-1 areas different from existing scheme can only pass through CS long-distance network
Scheme compare, saved the port resource of traditional long-distance network, the advantage of IMS network can have been made full use of.
Brief description
Fig. 1 is the flow chart of call route method embodiment one of the present invention；
Fig. 2 is the method for call route method embodiment two of the present invention；
Fig. 3 is the flow chart of call route method embodiment three of the present invention；
Fig. 4 is the flow chart of call route method example IV of the present invention；
Fig. 5 is the structural representation of call routing device embodiment one of the present invention；
Fig. 6 is the structural representation of call routing device embodiment two of the present invention；
Fig. 7 is the structural representation of call routing device embodiment three of the present invention.
Specific embodiment
Fig. 1 is the flow chart of call route method embodiment one of the present invention, and referring to Fig. 1, the method for the present embodiment is specifically wrapped
Include：
Step 101：First MGCF receives the call request of this level-1 area CS network transmission；
MGCF（Media Gateway Control Function；MGCF）It is IP Multimedia System
(IMS) a ingredient, can control MGW conversion media protocol, realize the intercommunication of IMS network and CS network.
In the present embodiment, the one-level administrative region that level-1 area can divide for country, in the present embodiment, with described one
As a example level region is province.
In the present embodiment, a level-1 area corresponds to a MGCF, i.e. province one MGCF of correspondence, and described first
MGCF is the calling subscribe ownership corresponding MGCF in province.
Described in the present embodiment, call request is initiated by the CS network user, and that is, calling subscribe is the CS network user, described exhales
Request is made to be routed to a described MGCF by the CS network in the affiliated province of calling subscribe, it is achieved thereby that by call request by CS net
Network is routed to IMS network.
Step 102：The number section information of each level-1 area according to configuration for the described MGCF, determines in described call request
The level-1 area of the called number ownership comprising；A described MGCF itself is configured with each province corresponding number section information.
Step 103：If not this level-1 area number, then described call request is routed to described quilt by a described MGCF
It is the 2nd MGCF of the level-1 area of number home, so that described call request is routed to described called number by described 2nd MGCF
The CS network of the level-1 area of code ownership.
In the present embodiment, each province MGCF is equipped with the address information of the corresponding MGCF in other provinces, when called number is
Other provinces number（It is not this level-1 area number）When this calling be transprovincially call when, the MGCF in caller province（In the present embodiment
It is specially a MGCF）Route the call to the MGCF that called number belongs to province（It is specially the 2nd MGCF in the present embodiment）.
In the method for the present embodiment, when the Subscriber Number that described called number is CS network, the method for the present embodiment is real
Showed dredged by IMS network between the CS network user across level-1 area（Transprovincially）Calling, with not same district in existing scheme
Trans-regional between the CS network user in domain（Transprovincially）Calling can only be compared by the scheme of CS long-distance network, has saved traditional length
The port resource of way network, can make full use of the advantage of IMS network.
Fig. 2 is the method for call route method embodiment two of the present invention, and referring to Fig. 2, the method for the present embodiment includes：
Step 201：The gateway exchange of the CS network of the level-1 area of the ownership of called number receives exhaling of the 2nd MGCF transmission
Cry request；
The gateway exchange of CS network can also be named interface office, i.e. GateWay MSC（General abbreviation GMSC）, act primarily as tandem work(
Can, it is responsible for and the interconnecting of other networks or operator.
In the present embodiment, the CS network of the level-1 area that described call request is belonged to by calling subscribe is sent to described caller
First MGCF of the level-1 area of user attaching, and by a described MGCF according to configuration each level-1 area number section information,
After determining the level-1 area of called number ownership comprising in described call request, it is sent to the one of described called number ownership
Described 2nd MGCF in level region.
Step 202：If it is determined that described called number is the Subscriber Number of present networks, then described call request is routed to institute
State the corresponding user terminal of called number.
In the present embodiment, still so that described level-1 area is as province as a example.
The described Subscriber Number determining that described called number is present networks, that is, determine that described called number is this province（Called
Number home province）The Subscriber Number of CS network, namely described call as the CS network user in different provinces between transprovincially exhale
Cry.The gateway exchange of this province CS network can identify that whether called number is the Subscriber Number of present networks, and CS network is by call routing
Process to the corresponding user terminal of called number is prior art, will not be described here.
In the method for the present embodiment, when the Subscriber Number that described called number is CS network, the method for the present embodiment is real
Show the trans-regional calling dredging between the CS network user by IMS network, the CS network with zones of different in existing scheme
Trans-regional calling between user can only be compared by the scheme of CS long-distance network, has saved the port money of traditional long-distance network
Source, can make full use of the advantage of IMS network.
Fig. 3 is the flow chart of call route method embodiment three of the present invention, and referring to Fig. 3, the method for the present embodiment includes：
Step 301：2nd MGCF receives the call request that a MGCF sends；
In the present embodiment, the CS network of the level-1 area that described call request is belonged to by calling subscribe is sent to described caller
A described MGCF of the level-1 area of user attaching, and the number section of each level-1 area according to configuration is believed by a described MGCF
Breath, after determining the level-1 area of called number ownership comprising in described call request, is sent to described called number ownership
Level-1 area described 2nd MGCF；
In the present embodiment, so that described level-1 area is as province as a example, the calling subscribe initiating described call request is CS net
Network user, described call request is sent to a MGCF it is achieved thereby that asking calling by the CS network that calling subscribe belongs to province
Ask and IMS network is routed to by CS network.
Step 302：Described call request is sent to the CS net of the level-1 area of called number ownership by described 2nd MGCF
Network.
The CS network that described call request is sent to the level-1 area of called number ownership by described 2nd MGCF is specially
Described call request is sent to the gateway exchange of the CS network of the level-1 area of called number ownership.
In the method for the present embodiment, when the Subscriber Number that described called number is CS network, the method for the present embodiment is real
Show the calling transprovincially dredging between the CS network user by IMS network, the CS network in provinces different from existing scheme is used
Calling transprovincially between family can only be compared by the scheme of CS long-distance network, has saved the port resource of traditional long-distance network, energy
Enough make full use of the advantage of IMS network.
Fig. 4 is the flow chart of call route method example IV of the present invention, and referring to Fig. 4, the method for the present embodiment is specifically wrapped
Include：
Step 401：First MGCF receives the call request of this level-1 area CS network transmission；
In the present embodiment, described level-1 area be province, each province correspond to a MGCF, a described MGCF be based on
It is the MGCF in the province belonging to user, described call request is initiated by this province CS network user, be sent to the by this province CS network
One MGCF.
Step 402：The number section information of each level-1 area according to configuration for the described MGCF, determines in described call request
The level-1 area of the called number ownership comprising；
In the present embodiment, CS network can identify whether called number is this network users, the calling that the CS network user initiates
When called number in request is the Subscriber Number of this province CS network, that is, when calling is exhaling between this CS network user inside the province
When crying, described calling directly by the CS network dredging of this province, is never sent to a MGCF, therefore, what a MGCF received exhales
Make the called number in request can be three types：This province IMS Subscriber Number, other provinces IMS Subscriber Number, other provinces CS network are used
Family number.
Step 403：If not this level-1 area number, then described call request is routed to described quilt by a described MGCF
It is the 2nd MGCF of the level-1 area of number home；
If not this level-1 area number is other provinces number, described call request is routed to institute by a described MGCF
State the 2nd MGCF in the ownership province of called number, so that described call request is routed to described called number by described 2nd MGCF
The CS network in the ownership province of code.
Step 404：If this level-1 area number, then described call request is routed to this one-level area by a described MGCF
The I-CSCF in domain, so that described call request is routed to user corresponding with described called number by the I-CSCF of this level-1 area
Terminal；
In the present embodiment, when a MGCF determines that called number is this province number namely determine described called number and be
The IMS Subscriber Number of this province, call request is routed to this province I-CSCF, then is route described call request by this province I-CSCF
Arrive user terminal corresponding with described called number.
Described call request is routed to user terminal corresponding with described called number and specifically wraps by this province I-CSCF route
Include：I-CSCF can be by inquiring about HSS（Home Subscriber Server；Home subscriber server）Inquiry called number institute
The S-CSCF belonging to, then call request is routed to by P-CSCF by S-CSCF, then by P-CSCF, described call request is routed to
The corresponding user terminal of called number.
Step 405：Described call request is sent to the CS network of the level-1 area of called number ownership by the 2nd MGCF；
Specifically, the 2nd MGCF receive the first MGCF send call request after, by described call request be sent to by
Call out the numbers code ownership province CS network gateway exchange.
Step 406：The gateway exchange of the CS network of level-1 area of called number ownership determines in described call request and comprises
Called number whether be present networks Subscriber Number, if then execution step 407, otherwise execution step 408；
The described gateway exchange of CS network can identify the called number of this province and call request is routed to called number pair
The user terminal answered.
Step 407：Described call request is routed to described quilt by the gateway exchange of the CS network in ownership province of called number
The corresponding user terminal of code of calling out the numbers；
If it is determined that described called number is the Subscriber Number of present networks, the critical point of the CS network in ownership province of called number
Described call request is then routed to the corresponding user terminal of described called number, call routing success by office.
Step 408：Described call request is returned to institute by the gateway exchange of the CS network of level-1 area of called number ownership
State the 2nd MGCF；
If it is determined that described called number is not the Subscriber Number of present networks, CS network routing failure, then please by described calling
Ask and return to described 2nd MGCF, so that the ownership that described call request is routed to described called number is saved by described 2nd MGCF
The I-CSCF of part.
The ownership province CS network of called number determines that called number is not present networks Subscriber Number, that is, determine described called
Number is the IMS user of this province.
Step 409：Described call request is routed to the level-1 area of described called number ownership by described 2nd MGCF
I-CSCF.
After described 2nd MGCF receives the described call request of CS network return in the ownership province of described called number,
Described call request is routed to the I-CSCF in the ownership province of described called number, so that described I-CSCF is from HSS server
Middle inquiry obtains the S-CSCF of the ownership districts and cities of described called number, and then described call request is route by described S-CSCF
To the corresponding user terminal of described called number.
CSCF（Call Session Control Function；CSCF）It is IMS（IP
Multimedia Subsystem；IP Multimedia System）Internal functional entity, is the core of whole IMS network, according to work(
P-CSCF can be divided into（Proxy CSCF；Proxy CSCF）、I-CSCF（Interrogating CSCF；Inquiry CSCF）、S-CSCF
（Serving CSCF；Serving CSCF）Deng.
The method of the present embodiment, is realizing the CS network user and this province IMS user, the traffic intercommunication of other provinces IMS user
On the basis of, also achieve the trans-regional calling between the CS network user dredging different level-1 areas by IMS network, improve
IMS network and the motility of CS network interworking, have saved the port resource of traditional long-distance network, and have taken full advantage of IMS net
The advantage of network.
Fig. 5 is the structural representation of call routing device embodiment one of the present invention, referring to Fig. 5, the device tool of the present embodiment
Body includes：
Receiver module 51, for receiving the call request of this level-1 area CS network transmission；
Determining module 52, for the number section information of each level-1 area according to configuration, determines in described call request and comprises
Called number ownership level-1 area；
Routing module 53, for when determining that described called number is not this level-1 area number, by described call request
It is routed to the 2nd MGCF of the level-1 area of described called number ownership, so that described call request is route by described 2nd MGCF
CS network to the level-1 area of described called number ownership.
Further, described routing module is additionally operable to when determining that described called number is this level-1 area number, by institute
State the I-CSCF that call request is routed to this level-1 area, so that described call request is routed to by the I-CSCF of this level-1 area
User terminal corresponding with described called number.
The device of the present embodiment is arranged on calling subscribe and belongs on a MGCF in province, can be used for executing shown in Fig. 1
Embodiment of the method technical scheme, it is realized principle and technique effect and is similar to, will not be described here.
Fig. 6 is the structural representation of call routing device embodiment two of the present invention, referring to Fig. 6, the device tool of the present embodiment
Body includes：
Receiver module 61, for receiving the call request that the 2nd MGCF sends, described call request is belonged to by calling subscribe
Level-1 area CS network be sent to described calling subscribe ownership level-1 area a MGCF, and by a described MGCF
The number section information of each level-1 area according to configuration, determines the level-1 area of the called number ownership comprising in described call request
Afterwards, it is sent to described 2nd MGCF of the level-1 area of described called number ownership；
Routing module 62, for when determining the Subscriber Number that described called number is present networks, by described call request
It is routed to the corresponding user terminal of described called number.
Further, described routing module 62 is additionally operable to determining that described called number is not the Subscriber Number of present networks
When, described call request is returned to described 2nd MGCF so that described 2nd MGCF described call request is routed to described
The I-CSCF of the level-1 area of called number ownership.
The device of the present embodiment can be arranged on the network element device of CS network in ownership province of user, can be used for holding
The technical scheme of the embodiment of the method shown in row Fig. 2, it realizes principle and technique effect is similar to, and will not be described here.
Fig. 7 is the structural representation of call routing device embodiment three of the present invention, referring to Fig. 7, the device tool of the present embodiment
Body includes：
Receiver module 71, for receiving the call request that a MGCF sends, described call request is belonged to by calling subscribe
Level-1 area CS network be sent to described calling subscribe ownership level-1 area a described MGCF, and by described first
The number section information of each level-1 area according to configuration for the MGCF, determines the one-level of the called number ownership comprising in described call request
After region, it is sent to described 2nd MGCF of the level-1 area of described called number ownership；
Sending module 72, for being sent to the CS network of the level-1 area of called number ownership by described call request.
Further, shown sending module 72 is additionally operable to：
Receive the described call request that the CS network of the level-1 area of described called number ownership returns, please by described calling
Seek the I-CSCF of the level-1 area being routed to described called number ownership, so that described I-CSCF inquires about from HSS server obtaining
Take the S-CSCF of the level-2 area of described called number ownership, and then make described S-CSCF that described call request is routed to institute
State the corresponding user terminal of called number.The device of the present embodiment is arranged on the 2nd MGCF of the level-1 area of called number ownership
On, can be used for executing the step of the 2nd MGCF execution in the technical scheme of embodiment of the method shown in Fig. 3 and the method shown in Fig. 4
Suddenly, it realizes principle and technique effect will not be described here.
The present invention provides a kind of call route system embodiment one, and the system of the present embodiment can be used for executing shown in Fig. 4
Embodiment of the method technical scheme, the system of the present embodiment includes：
First MGCF, including the device shown in Fig. 5, for receiving the call request of this level-1 area CS network transmission, root
According to the number section information of each level-1 area of configuration, determine the level-1 area of the called number ownership comprising in described call request,
And when determining that described called number is not this level-1 area number, described call request is routed to described called number ownership
Level-1 area the 2nd MGCF；
Described 2nd MGCF, including the device shown in Fig. 7, please for receiving the described calling that a described MGCF sends
Ask, and described call request is sent to the CS network of the level-1 area of called number ownership；
The gateway exchange of the CS network of level-1 area of described called number ownership, including the device shown in Fig. 6, for receiving
The described call request that described 2nd MGCF sends, and when determining the Subscriber Number that described called number is present networks, by institute
State call request and be routed to the corresponding user terminal of described called number.
The system of the present embodiment, is used with this level-1 area IMS user, other level-1 areas IMS realizing the CS network user
On the basis of the traffic intercommunication at family, also achieve transregional between the CS network user dredging zones of different by IMS network
Domain calls, and improves the motility of IMS network and CS network interworking, has saved the port resource of traditional long-distance network, and fully
Make use of the advantage of IMS network.
One of ordinary skill in the art will appreciate that：The all or part of step realizing above-mentioned each method embodiment can be led to
Cross the related hardware of programmed instruction to complete.Aforesaid program can be stored in a computer read/write memory medium.This journey
Sequence upon execution, executes the step including above-mentioned each method embodiment；And aforesaid storage medium includes：ROM, RAM, magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above only in order to technical scheme to be described, is not intended to limit；To the greatest extent
Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to
So the technical scheme described in foregoing embodiments can be modified, or wherein some or all of technical characteristic is entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (13)
1. a kind of call route method is it is characterised in that include：
First MGCF receives the call request of this level-1 area CS network transmission；
The number section information of each level-1 area according to configuration for the described MGCF, determines the called number comprising in described call request
The level-1 area of code ownership；
If not this level-1 area number, then described call request is routed to described called number ownership by a described MGCF
2nd MGCF of level-1 area, so that described call request is routed to the one-level of described called number ownership by described 2nd MGCF
The CS network in region.
If 2. the method for claim 1 is it is characterised in that this level-1 area number, then a described MGCF is by institute
State the I-CSCF that call request is routed to this level-1 area, so that described call request is routed to by the I-CSCF of this level-1 area
User terminal corresponding with described called number.
3. a kind of call route method is it is characterised in that include：
The gateway exchange of the CS network of the level-1 area of the ownership of called number receives the call request that the 2nd MGCF sends, and described exhales
The CS network being the level-1 area asking to be belonged to by calling subscribe is sent to the first of the level-1 area that described calling subscribe belongs to
MGCF, and by a described MGCF each level-1 area according to configuration number section information, determine and comprise in described call request
After the level-1 area of called number ownership, it is sent to described 2nd MGCF of the level-1 area of described called number ownership；
If it is determined that described called number is the Subscriber Number of present networks, then described call request is routed to described called number pair
The user terminal answered.
4. method as claimed in claim 3 is not it is characterised in that if it is determined that described called number is the user number of present networks
Code, then return to described 2nd MGCF by described call request, so that described call request is routed to institute by described 2nd MGCF
State the I-CSCF of the level-1 area of called number ownership.
5. a kind of call route method is it is characterised in that include：
2nd MGCF receives the call request that a MGCF sends, the level-1 area that described call request is belonged to by calling subscribe
CS network is sent to a described MGCF of the level-1 area of described calling subscribe's ownership, and by a described MGCF according to configuration
Each level-1 area number section information, determine comprise in described call request called number ownership level-1 area after, send out
Give described 2nd MGCF of the level-1 area of described called number ownership；
Described call request is sent to the CS network of the level-1 area of called number ownership by described 2nd MGCF.
6. method as claimed in claim 5 is it is characterised in that methods described also includes：
Described 2nd MGCF receives the described call request that the CS network of the level-1 area of described called number ownership returns, by institute
State the I-CSCF that call request is routed to the level-1 area of described called number ownership, so that described I-CSCF is from HSS server
Middle inquiry obtains the S-CSCF of the level-2 area of described called number ownership, and then makes described S-CSCF by described call request
It is routed to the corresponding user terminal of described called number.
7. a kind of call routing device is it is characterised in that include：
Receiver module, for receiving the call request of this level-1 area CS network transmission；
Determining module, for the number section information of each level-1 area according to configuration, determines comprise in described call request called
The level-1 area of number home；
Routing module, for when determining that described called number is not this level-1 area number, described call request being routed to
2nd MGCF of the level-1 area of described called number ownership so that described 2nd MGCF described call request is routed to described
The CS network of the level-1 area of called number ownership.
8. device as claimed in claim 7 it is characterised in that described routing module be additionally operable to determine described called number be
During this level-1 area number, described call request is routed to the I-CSCF of this level-1 area, so that the I- of this level-1 area
Described call request is routed to user terminal corresponding with described called number by CSCF.
9. a kind of call routing device is it is characterised in that include：
Receiver module, for receiving the call request that the 2nd MGCF sends, the one-level that described call request is belonged to by calling subscribe
The CS network in region is sent to a MGCF of the level-1 area of described calling subscribe ownership, and by a described MGCF according to joining
The number section information of each level-1 area put, after determining the level-1 area of called number ownership comprising in described call request,
It is sent to described 2nd MGCF of the level-1 area of described called number ownership；
Routing module, for when determining the Subscriber Number that described called number is present networks, described call request being routed to
The corresponding user terminal of described called number.
10. device as claimed in claim 9 is it is characterised in that described routing module is additionally operable to determining described called number
Be not present networks Subscriber Number when, described call request is returned to described 2nd MGCF, so that described 2nd MGCF is by institute
State the I-CSCF that call request is routed to the level-1 area of described called number ownership.
A kind of 11. call routing devices are it is characterised in that include：
Receiver module, for receiving the call request that a MGCF sends, the one-level that described call request is belonged to by calling subscribe
The CS network in region is sent to a described MGCF of the level-1 area of described calling subscribe's ownership, and by a described MGCF root
According to configuration each level-1 area number section information, determine comprise in described call request called number ownership level-1 area it
Afterwards, it is sent to the 2nd MGCF of the level-1 area of described called number ownership；
Sending module, for being sent to the CS network of the level-1 area of called number ownership by described call request.
12. devices as claimed in claim 11 are it is characterised in that described sending module is additionally operable to：
Receive the described call request that the CS network of the level-1 area of described called number ownership returns, by described call request road
By the I-CSCF of the level-1 area belonging to described called number, so that described I-CSCF inquires about acquisition institute from HSS server
State the S-CSCF of the level-2 area of called number ownership, and then make described S-CSCF that described call request is routed to described quilt
The corresponding user terminal of code of calling out the numbers.
A kind of 13. call route systems are it is characterised in that include：
First MGCF, including the device described in claim 7 or 8, the calling for receiving the transmission of this level-1 area CS network please
Ask, the number section information of each level-1 area according to configuration, determine the one-level of the called number ownership comprising in described call request
Region, and when determining that described called number is not this level-1 area number, described call request is routed to described called number
2nd MGCF of the level-1 area of code ownership；
Described 2nd MGCF, including the device described in claim 11 or 12, for receiving described in a described MGCF transmission
Call request, and described call request is sent to the CS network of the level-1 area of called number ownership；
The gateway exchange of the CS network of level-1 area of described called number ownership, including the device described in claim 9 or 10, uses
In the described call request receiving described 2nd MGCF transmission, and in the Subscriber Number determining that described called number is present networks
When, described call request is routed to the corresponding user terminal of described called number.
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| CN104767708B (en) * | 2014-01-02 | 2018-11-02 | ***通信集团公司 | A kind of communication means and device |
| CN104202786B (en) * | 2014-08-27 | 2018-04-20 | 中国联合网络通信集团有限公司 | A kind of method and device for calling routing |
| CN104168190B (en) * | 2014-08-27 | 2017-08-29 | 中国联合网络通信集团有限公司 | A kind of method and device for calling routing |
| CN109661011B (en) * | 2017-10-11 | 2020-07-28 | ***通信集团设计院有限公司 | IMS call routing method, device and system |
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| CN1929457A (en) * | 2006-09-22 | 2007-03-14 | ***通信集团公司 | Method for message intercommunication of IMS domain and CS domain |
| CN101166162A (en) * | 2006-10-18 | 2008-04-23 | 华为技术有限公司 | A method and system for transmitting service event |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1929457A (en) * | 2006-09-22 | 2007-03-14 | ***通信集团公司 | Method for message intercommunication of IMS domain and CS domain |
| CN101166162A (en) * | 2006-10-18 | 2008-04-23 | 华为技术有限公司 | A method and system for transmitting service event |
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