CN102036281A - Method, device and system for querying routes in CS (circuit switching) domain - Google Patents
Method, device and system for querying routes in CS (circuit switching) domain Download PDFInfo
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- CN102036281A CN102036281A CN2010106201608A CN201010620160A CN102036281A CN 102036281 A CN102036281 A CN 102036281A CN 2010106201608 A CN2010106201608 A CN 2010106201608A CN 201010620160 A CN201010620160 A CN 201010620160A CN 102036281 A CN102036281 A CN 102036281A
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Abstract
The embodiment of the invention discloses a method, device and system for querying routes in a CS (circuit switching) domain, which belong to the field of communication. For realizing the centralized maintenance of route data of the CS domain, the technical scheme provided by the invention is as follows: receiving a call message by an MSC (mobile switching center) server; acquiring number information from the call message; sending a route query message to a phone number mapping server, wherein the route query message comprises the number information; receiving route query results sent by the phone number mapping server; and sending the call message to a next node according to the route query results. The method, device and system provided by the invention are suitable for the calls of the CS domain.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of CS territory method for searching route, Apparatus and system.
Background technology
At present, all network element entities that provide circuit switch type to connect for customer service in the core net are provided in CS (Circuit Switching, circuit switching) territory, and all support the network element entity of relevant signaling.Circuit switched type is connected to connect distributes private network resource when setting up, discharge private resource when connecting release.Wherein, the network element entity comprises MSC Server/GMSC Server (Mobile Switching Center Server/Gateway Mobile Switching Center Server, Mobile Switching Center Server/GMSC (gateway mobile switching center) server) with and control gateway MGW (Media Gateway, media gateway).
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: at present, in mobile network's CS territory and NGN network, switch and MSC Server bear the work that number analysis and route data obtain separately, therefore, all dispose route data on each switch that need be in network and the MSC Server, be unfavorable for the centralized maintenance of network, reduced the O﹠M efficient of network.
Summary of the invention
Embodiments of the invention provide a kind of CS territory method for searching route, Apparatus and system, in order to the problem of the centralized maintenance of the route data that solves CS territory network.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of CS territory method for searching route comprises:
Mobile Switching Center Server receipt of call message;
From described message related to calls, obtain number information;
Send routing inquiry message to the telephone number mapping server, comprise described number information in the described routing inquiry message;
Receive the routing inquiry result that described telephone number mapping server sends;
Send described message related to calls according to described routing inquiry result to next node.
A kind of Mobile Switching Center Server comprises:
Call out receiving element, be used for receipt of call message;
The number acquiring unit is used for obtaining number information from the message related to calls that described calling receiving element receives;
The inquiry transmitting element is used for sending routing inquiry message to the telephone number mapping server, comprises the number information that described number acquiring unit obtains in the described routing inquiry message;
Receiving element is used to receive the routing inquiry result that described telephone number mapping server sends as a result;
Call out transmitting element, be used for sending described message related to calls to next node according to the routing inquiry result that described receiving element as a result receives.
A kind of CS territory routing inquiry system comprises:
Mobile Switching Center Server is used for receipt of call message; From described message related to calls, obtain number information; Send routing inquiry message to the telephone number mapping server, comprise described number information in the described routing inquiry message; Receive the routing inquiry result that described telephone number mapping server sends; Send described message related to calls according to described routing inquiry result to next node;
The telephone number mapping server, be used to receive the routing inquiry message that described Mobile Switching Center Server sends, obtain the routing inquiry result according to the number information in the described routing inquiry message, and send the routing inquiry result to described Mobile Switching Center Server.
CS territory method for searching route, Apparatus and system that the embodiment of the invention provides, by Mobile Switching Center Server when the receipt of call message, from described message related to calls, obtain number information, obtain the routing inquiry result according to described number information from the telephone number mapping server, and send described message related to calls to next node according to described routing inquiry result.Therefore, the route data in CS territory does not all dispose on the switch of each in network and the MSC Server, disposes, administers and maintains and concentrate on ENUM Server, improves the O﹠M efficient of network.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use is done an introduction simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of a kind of CS territory method for searching route that Fig. 1 provides for the embodiment of the invention;
The schematic flow sheet of the another kind of CS territory method for searching route that Fig. 2 provides for the embodiment of the invention;
The schematic flow sheet of the another kind of CS territory method for searching route that Fig. 3 provides for the embodiment of the invention;
The schematic flow sheet of the another kind of CS territory method for searching route that Fig. 4 provides for the embodiment of the invention;
The schematic flow sheet of the another kind of CS territory method for searching route that Fig. 5 provides for the embodiment of the invention;
The formation schematic diagram of a kind of Mobile Switching Center Server that Fig. 6 provides for the embodiment of the invention;
The formation schematic diagram of a kind of CS territory routing inquiry system that Fig. 7 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
For the centralized maintenance of the route data that can realize CS territory network, the embodiment of the invention provides a kind of CS territory method for searching route, as shown in Figure 1, comprising:
101, Mobile Switching Center Server receipt of call message;
For example, at PSTN (Public Switched Telephone Network, PSTN) during the customer call cellphone subscriber, MSC Server can receive the message related to calls that is sent by PSTN equipment or GMSC (Gateway Mobile Switching Center, GMSC (gateway mobile switching center)).When cellphone subscriber's calling handset user, MSC Server can receive the message related to calls that is sent by GMSC.When the cellphone subscriber called out PSTN user, MSC Server can receive the message related to calls that is sent by VMSC (Visited Mobile-services Switching Centre, visited mobile switching center).When in the process of calling out inter-office switchover taking place, MSC Server can receive the message related to calls that is sent by VMS C.
102, Mobile Switching Center Server obtains number information from described message related to calls;
Wherein, described number information comprises called subscriber's MSISDN (Mobile Subscriber International Integrated Service Digital Network number, the international comprehensive service digital net number of mobile radio station), called subscriber's MRSN (Mobile Station Roaming Number, mobile station roaming number), HON (Handover Number, Handover Number) or called subscriber's PSTN number.
For example, when PSTN customer call cellphone subscriber, MSC Server can obtain called subscriber's MSISDN or MRSN from the message related to calls that receives.When cellphone subscriber's calling handset user, MSC Server can obtain called subscriber's MRSN from the message related to calls that receives.When the cellphone subscriber called out PSTN user, MSC Server can obtain called subscriber's PSTN number from the message related to calls that receives.When in the process of calling out inter-office switchover taking place, MSC Server can obtain HON from the message related to calls that receives.
103, Mobile Switching Center Server sends routing inquiry message to the telephone number mapping server, comprises described number information in the described routing inquiry message;
For example, MSC Server and ENUM (Telephone Number Mapping, the telephone number mapping) increases ENUM/DNS (Domain Name System between the Server, domain name system) interface, when MSC Server receives message related to calls, the called subscriber's that will obtain from message related to calls MSISDN or MSRN or PSTN number, perhaps HON is added in the routing inquiry message, sends this routing inquiry message by this interface to ENUM Server.
104, Mobile Switching Center Server receives the routing inquiry result that described telephone number mapping server sends;
Wherein, described routing inquiry result comprises called subscriber's routing number, at least one in the address of purpose network and the address of next node.The address of described purpose network is the domain name or IP (the Internet Protocol of purpose network, the agreement that interconnects between the network) address, the address of described next node is SIP (the Session Initiation Protocol of next node, Session initiation Protocol) route header field, domain name or IP address.
For example, after ENUM Server received the routing inquiry message that is sent by MSC Server, according to MSISDN or MSRN or the PSTN number of the called subscriber in the routing inquiry message, perhaps HON inquiry route obtained the routing inquiry result.And the result sends to MSC Server with this routing inquiry.
105, Mobile Switching Center Server sends described message related to calls according to described routing inquiry result to next node.
For example, after MSC Server receives the routing inquiry result who is sent by ENUM Server, routing number or the address of purpose network or the address of next node according to the called subscriber among this routing inquiry result send described message related to calls to next node.Wherein, described routing number carries the address information of next node, and MSC Server can directly determine next node according to this routing number.
The CS territory method for searching route that present embodiment provides, by when the receipt of call message, from described message related to calls, obtain number information, obtain the routing inquiry result according to described number information from the telephone number mapping server, and send described message related to calls to next node according to described routing inquiry result.Therefore, the route data in CS territory does not all dispose on the switch of each in network and the MSC Server, disposes, administers and maintains and concentrate on ENUM Server, improves the O﹠M efficient of network.
In a last embodiment, can when PSTN customer call cellphone subscriber, perhaps, when cellphone subscriber's calling handset user, perhaps, when the cellphone subscriber calls out P STN user, perhaps, when in the process of calling out, inter-office switchover taking place, carry out routing inquiry.Below, in conjunction with above different situations a last embodiment is described in further detail.
As shown in Figure 2, embodiment of the invention CS territory method for searching route comprises:
201, when PSTN customer call cellphone subscriber, PSTN equipment sends message related to calls to MSC Server;
202, after MSC Server receives this message related to calls, from described message related to calls, obtain called subscriber's MSISDN;
203, MSC Server sends routing inquiry message to ENUM Server, comprises called subscriber's MSISDN in the described routing inquiry message;
For example, MSC Server can add called subscriber's MSISDN in the routing inquiry message that sends to ENUM Server, then, send described routing inquiry message by the interface between MSC Server and the ENUM Server to ENUM Server.
204, after ENUM Server receives this routing inquiry message, obtain the routing inquiry result according to the MSISDN of the called subscriber in the routing inquiry message.
For example, ENUM Server obtains the MSISDN of the called subscriber in this routing inquiry message after receiving this routing inquiry message.At this moment, ENUM Server can obtain the routing number of this MSISDN correspondence according to this called subscriber's MSISDN route inquiring data storehouse, and this routing number is the number of form E.164.Perhaps, ENUM Server can obtain the address of corresponding purpose network, for example the domain name of purpose network or IP address according to this called subscriber's MSISDN route inquiring data storehouse.Perhaps, ENUM Server can obtain the address of corresponding next node, for example the Route header field of the SIP of next node, domain name or IP address according to this called subscriber's MSISDN route inquiring data storehouse.In addition, ENUM also can obtain called subscriber's routing number, the address of purpose network and the address of next node simultaneously.
205, ENUM Server sends this routing inquiry result to MSC Server;
The routing inquiry result that ENUM Server returns to MSC Server can take following form:
sip:<tel>@<destination>；user＝phone？route＝<next-hop>
Wherein, " tel " part is called subscriber's a routing number, and " destination " part is the address of purpose network, for example domain name of purpose network or IP address, and " next-hop " part is the address of next node.The address of described next node is the Route header field of the SIP of next node, domain name or IP address.
206, after MSC Server receives this routing inquiry result, send message related to calls to VMSC as next node according to this routing inquiry result.
For example, after MSC Server receives the routing inquiry result of ENUM Server transmission, carry valid data in this routing inquiry result " tel " part, when promptly this routing inquiry result has comprised called subscriber's routing number, MSC Server can directly determine VMSC as next node according to this called subscriber's routing number, sends message related to calls to this VMSC.Perhaps, carry valid data in this routing inquiry result " destination " part, when promptly this routing inquiry result had comprised the address of purpose network, MSC Server can determine VMSC as next node according to the address of this purpose network, sends message related to calls to this VMSC.Perhaps, carry valid data in this routing inquiry result " next-hop " part, when promptly this routing inquiry result had comprised the address of next node, MSC Server can determine VMSC as next node according to the address of this next node, sends message related to calls to this VMSC.
As shown in Figure 3, embodiment of the invention CS territory method for searching route comprises:
301, when PSTN customer call cellphone subscriber or cellphone subscriber's calling handset user, GMSC sends message related to calls to MSC Server;
302, after MSC Server receives this message related to calls, from described message related to calls, obtain called subscriber's MSRN;
303, MSC Server sends routing inquiry message to ENUM Server, comprises called subscriber's MSRN in the described routing inquiry message;
For example, MSC Server can add called subscriber's MSRN in the routing inquiry message that sends to ENUM Server, then, send described routing inquiry message by the interface between MSC Server and the ENUM Server to ENUM Server.
304, after ENUM Server receives this routing inquiry message, obtain the routing inquiry result according to the MSRN of the called subscriber in the routing inquiry message.
For example, ENUM Server obtains the MSRN of the called subscriber in this routing inquiry message after receiving this routing inquiry message.At this moment, ENUM Server can obtain the routing number of this MSRN correspondence according to this called subscriber's MSRN route inquiring data storehouse, and this routing number is the number of form E.164.Perhaps, ENUM Server can obtain the address of corresponding purpose network, for example the domain name of purpose network or IP address according to this called subscriber's MSRN route inquiring data storehouse.Perhaps, ENUM Server can obtain the address of corresponding next node, for example the Route header field of the SIP of next node, domain name or IP address according to this called subscriber's MSRN route inquiring data storehouse.In addition, ENUM also can obtain called subscriber's routing number, the address of purpose network and the address of next node simultaneously.
305, ENUM Server sends this routing inquiry result to MSC Server;
The routing inquiry result that ENUM Server returns to MSC Server can take following form:
sip:<tel>@<destination>；user＝phone？route＝<next-hop>
Wherein, " tel " part is called subscriber's a routing number, and " destination " part is the address of purpose network, for example domain name of purpose network or IP address, and " next-hop " part is the address of next node.The address of described next node is the Route header field of the SIP of next node, domain name or IP address.
306, after MSC Server receives this routing inquiry result, send message related to calls to VMSC as next node according to this routing inquiry result.
For example, after MSC Server receives the routing inquiry result of ENUM Server transmission, carry valid data in this routing inquiry result " tel " part, when promptly this routing inquiry result has comprised called subscriber's routing number, MSC Server can directly determine VMSC as next node according to this called subscriber's routing number, sends message related to calls to this VMSC.Perhaps, carry valid data in this routing inquiry result " destination " part, when promptly this routing inquiry result had comprised the address of purpose network, MSC Server can determine VMSC as next node according to the address of this purpose network, sends message related to calls to this VMSC.Perhaps, carry valid data in this routing inquiry result " next-hop " part, when promptly this routing inquiry result had comprised the address of next node, MSC Server can determine VMSC as next node according to the address of this next node, sends message related to calls to this VMSC.
As shown in Figure 4, embodiment of the invention CS territory method for searching route comprises:
401, when the cellphone subscriber calls out PSTN user, VMSC sends message related to calls to MSC Server;
402, after MSC Server receives this message related to calls, from described message related to calls, obtain called subscriber's PSTN number;
403, MSC Server sends routing inquiry message to ENUM Server, comprises called subscriber's PSTN number in the described routing inquiry message;
For example, MSC Server can add called subscriber's PSTN number in the routing inquiry message that sends to ENUM Server, then, send described routing inquiry message by the interface between MSC Server and the ENUMServer to ENUM Server.
404, after ENUM Server receives this routing inquiry message, obtain the routing inquiry result according to the PSTN number of the called subscriber in the routing inquiry message.
For example, ENUM Server obtains the PSTN number of the called subscriber in this routing inquiry message after receiving this routing inquiry message.At this moment, ENUM Server can be processed into this called subscriber's PSTN number the number of the E.164 form of a standard.ENUMServer can obtain this E.164 routing number of the number correspondence of form according to this number inquiry routing database of form E.164, and this routing number also is the number of form E.164.Perhaps, ENUM Server can obtain the address of corresponding purpose network, for example the domain name of purpose network or IP address according to this number inquiry routing database of form E.164.Perhaps, ENUM Server can obtain the address of corresponding next node, for example the Route header field of the SIP of next node, domain name or IP address according to this number inquiry routing database of form E.164.In addition, ENUM also can obtain called subscriber's routing number, the address of purpose network and the address of next node simultaneously.
405, ENUM Server sends this routing inquiry result to MSC Server;
The routing inquiry result that ENUM Server returns to MSC Server can take following form:
sip:<tel>@<destination>；user＝phone？route＝<next-hop>
Wherein, " tel " part is called subscriber's a routing number, and " destination " part is the address of purpose network, for example domain name of purpose network or IP address, and " next-hop " part is the address of next node.The address of described next node is the Route header field of the SIP of next node, domain name or IP address.
406, after MSC Server receives this routing inquiry result, send message related to calls to GMSC as next node according to this routing inquiry result.
For example, after MSC Server receives the routing inquiry result of ENUM Server transmission, carry valid data in this routing inquiry result " tel " part, when promptly this routing inquiry result has comprised called subscriber's routing number, MSC Server can directly determine GMSC as next node according to this called subscriber's routing number, sends message related to calls to this GMSC.Perhaps, carry valid data in this routing inquiry result " destination " part, when promptly this routing inquiry result had comprised the address of purpose network, MSC Server can determine GMSC as next node according to the address of this purpose network, sends message related to calls to this GMSC.Perhaps, carry valid data in this routing inquiry result " next-hop " part, when promptly this routing inquiry result had comprised the address of next node, MSC Server can determine GMSC as next node according to the address of this next node, sends message related to calls to this GMSC.
As shown in Figure 5, embodiment of the invention CS territory method for searching route comprises:
When 501, in the process of calling out, inter-office switchover taking place, send message related to calls to MSC Server as the VMSC1 that cuts out office;
In the present embodiment, described inter-office switchover can be the inter-office switchover that takes place as the cellphone subscriber of caller in calling procedure, also can be the inter-office switchover that takes place as called cellphone subscriber in calling procedure.
502, after MSC Server receives this message related to calls, from described message related to calls, obtain HON;
Wherein, HON is when being used for switching between two mobile switching areas (MSC district), for setting up the interim number that uses of talking link between the MSC.
503, MSC Server sends routing inquiry message to ENUM Server, comprises HON in the described routing inquiry message;
For example, MSC Server can add HON in the routing inquiry message that sends to ENUM Server, then, send described routing inquiry message by the interface between MSC Server and the ENUM Server to ENUM Server.
504, after ENUM Server receives this routing inquiry message, obtain the routing inquiry result according to the HON in the routing inquiry message.
For example, ENUM Server obtains the HON in this routing inquiry message after receiving this routing inquiry message.At this moment, ENUM Server can obtain the routing number of this HON correspondence according to this HON route inquiring data storehouse, and this routing number is the number of form E.164.Perhaps, ENUM Server can obtain the address of corresponding purpose network, for example the domain name of purpose network or IP address according to this HON route inquiring data storehouse.Perhaps, ENUM Server can obtain the address of corresponding next node, for example the Route header field of the SIP of next node, domain name or IP address according to this HON route inquiring data storehouse.In addition, ENUM also can obtain routing number, the address of purpose network and the address of next node of HON correspondence simultaneously.
505, ENUM Server sends this routing inquiry result to MSC Server;
The routing inquiry result that ENUM Server returns to MSC Server can take following form:
sip:<tel>@<destination>；user＝phone？route＝<next-hop>
Wherein, " tel " part is the routing number of HON correspondence, and " destination " part is the address of purpose network, for example domain name of purpose network or IP address, and " next-hop " part is the address of next node.The address of described next node is the Route header field of the SIP of next node, domain name or IP address.
506, after MSC Server receives this routing inquiry result, send message related to calls to VMSC 2 as next node according to this routing inquiry result.
For example, after MSC Server receives the routing inquiry result of ENUM Server transmission, carry valid data in this routing inquiry result " tel " part, when promptly this routing inquiry result has comprised the routing number of HON correspondence, MSC Server can directly determine VMSC 2 as next node according to this routing number, also be the VMSC 2 of incision office, send message related to calls to this VMSC 2.Perhaps, carry valid data in this routing inquiry result " destination " part, when promptly this routing inquiry result has comprised the address of purpose network, MSCServer can determine VMSC 2 as next node according to the address of this purpose network, also be the VMSC 2 of incision office, send message related to calls to this VMSC 2.Perhaps, carry valid data in this routing inquiry result " next-hop " part, when promptly this routing inquiry result has comprised the address of next node, MSC Server can determine VMSC 2 as next node according to the address of this next node, also be the VMSC 2 of incision office, send message related to calls to this VMSC 2.
The CS territory method for searching route that the foregoing description provides, by MSC Server when the receipt of call message, from described message related to calls, obtain number information, obtain the routing inquiry result according to described number information from ENUM Server, and send described message related to calls to next node according to described routing inquiry result.Therefore, the route data in CS territory does not all dispose on the switch of each in network and the MSC Server, disposes, administers and maintains and concentrate on ENUM Server, improves the O﹠M efficient of network.
With said method accordingly, the embodiment of the invention also provides a kind of Mobile Switching Center Server, as shown in Figure 6, comprising:
Call out receiving element 601, be used for receipt of call message;
Receiving element 604 as a result, are used to receive the routing inquiry result that described telephone number mapping server sends;
Call out transmitting element 605, be used for sending described message related to calls to next node according to the routing inquiry result that described receiving element as a result 604 receives.
Further, described number information comprises the international comprehensive service digital net number of called subscriber's mobile radio station, called subscriber's mobile station roaming number, Handover Number or called subscriber's PSTN number.
Further, described routing inquiry result comprises called subscriber's routing number, at least one in the address of purpose network and the address of next node.Further, the address of described purpose network is the domain name or the IP address of purpose network, and the address of described next node is the route header field of the Session initiation Protocol of next node, domain name or IP address.
Further, described calling transmitting element 605 specifically is used for routing number or the address of purpose network or the address of next node according to described routing inquiry result's called subscriber, sends described message related to calls to next node.
The concrete method of work of present embodiment Mobile Switching Center Server can not repeat them here referring to the described method of Fig. 1-5.
The Mobile Switching Center Server that present embodiment provides, by when the receipt of call message, from described message related to calls, obtain number information, obtain the routing inquiry result according to described number information from the telephone number mapping server, and send described message related to calls to next node according to described routing inquiry result.Therefore, the route data in CS territory does not all dispose on the switch of each in network and the MSC Server, disposes, administers and maintains and concentrate on ENUM Server, improves the O﹠M efficient of network.
With said method, the device accordingly, the embodiment of the invention also provides a kind of CS territory routing inquiry system, as shown in Figure 7, comprising:
Mobile Switching Center Server 701 is used for receipt of call message; From described message related to calls, obtain number information; Send routing inquiry message to telephone number mapping server 702, comprise described number information in the described routing inquiry message; Receive the routing inquiry result that described telephone number mapping server 702 sends; Send described message related to calls according to described routing inquiry result to next node;
Telephone number mapping server 702, be used to receive the routing inquiry message that described Mobile Switching Center Server 701 sends, obtain the routing inquiry result according to the number information in the described routing inquiry message, and send the routing inquiry result to described Mobile Switching Center Server 701.
The concrete method of work of present embodiment Mobile Switching Center Server, telephone number mapping server can not repeat them here referring to the described method of Fig. 1-5.
The routing inquiry system that present embodiment provides, by when the receipt of call message, from described message related to calls, obtain number information, obtain the routing inquiry result according to described number information from the telephone number mapping server, and send described message related to calls to next node according to described routing inquiry result.Therefore, the route data in CS territory does not all dispose on the switch of each in network and the MSCServer, disposes, administers and maintains and concentrate on ENUM Server, improves the O﹠M efficient of network.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (9)
1. a circuit switching (CS) territory method for searching route is characterized in that, comprising:
Mobile Switching Center Server receipt of call message;
From described message related to calls, obtain number information;
Send routing inquiry message to the telephone number mapping server, comprise described number information in the described routing inquiry message;
Receive the routing inquiry result that described telephone number mapping server sends;
Send described message related to calls according to described routing inquiry result to next node.
2. method according to claim 1 is characterized in that, described number information comprises the international comprehensive service digital net number of called subscriber's mobile radio station, called subscriber's mobile station roaming number, Handover Number or called subscriber's PSTN number.
3. method according to claim 1 and 2 is characterized in that described routing inquiry result comprises called subscriber's routing number, at least one in the address of purpose network and the address of next node.
4. method according to claim 3 is characterized in that, the address of described purpose network is the domain name or the IP address of purpose network, and the address of described next node is the route header field of the Session initiation Protocol of next node, domain name or IP address.
5. a Mobile Switching Center Server is characterized in that, comprising:
Call out receiving element, be used for receipt of call message;
The number acquiring unit is used for obtaining number information from the message related to calls that described calling receiving element receives;
The inquiry transmitting element is used for sending routing inquiry message to the telephone number mapping server, comprises the number information that described number acquiring unit obtains in the described routing inquiry message;
Receiving element is used to receive the routing inquiry result that described telephone number mapping server sends as a result;
Call out transmitting element, be used for sending described message related to calls to next node according to the routing inquiry result that described receiving element as a result receives.
6. Mobile Switching Center Server according to claim 5, it is characterized in that, described number information comprises the international comprehensive service digital net number of called subscriber's mobile radio station, called subscriber's mobile station roaming number, Handover Number or called subscriber's PSTN number.
7. according to claim 5 or 6 described Mobile Switching Center Server, it is characterized in that described routing inquiry result comprises called subscriber's routing number, at least one in the address of purpose network and the address of next node.
8. Mobile Switching Center Server according to claim 7, it is characterized in that, the address of described purpose network is the domain name or the IP address of purpose network, and the address of described next node is the route header field of the Session initiation Protocol of next node, domain name or IP address.
9. a CS territory routing inquiry system is characterized in that, comprising:
Mobile Switching Center Server is used for receipt of call message; From described message related to calls, obtain number information; Send routing inquiry message to the telephone number mapping server, comprise described number information in the described routing inquiry message; Receive the routing inquiry result that described telephone number mapping server sends; Send described message related to calls according to described routing inquiry result to next node;
Described telephone number mapping server, be used to receive the routing inquiry message that described Mobile Switching Center Server sends, obtain the routing inquiry result according to the number information in the described routing inquiry message, and send the routing inquiry result to described Mobile Switching Center Server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106201608A CN102036281A (en) | 2010-12-31 | 2010-12-31 | Method, device and system for querying routes in CS (circuit switching) domain |
| PCT/CN2011/084285 WO2012089047A1 (en) | 2010-12-31 | 2011-12-20 | Route query method, device and system in cs domain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106201608A CN102036281A (en) | 2010-12-31 | 2010-12-31 | Method, device and system for querying routes in CS (circuit switching) domain |
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| CN102036281A true CN102036281A (en) | 2011-04-27 |
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| CN2010106201608A Pending CN102036281A (en) | 2010-12-31 | 2010-12-31 | Method, device and system for querying routes in CS (circuit switching) domain |
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| WO (1) | WO2012089047A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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