CN100486217C - Connection-oriented establishment and message transmitting method on signalling gateway - Google Patents
Connection-oriented establishment and message transmitting method on signalling gateway Download PDFInfo
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- CN100486217C CN100486217C CNB200510087073XA CN200510087073A CN100486217C CN 100486217 C CN100486217 C CN 100486217C CN B200510087073X A CNB200510087073X A CN B200510087073XA CN 200510087073 A CN200510087073 A CN 200510087073A CN 100486217 C CN100486217 C CN 100486217C
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Abstract
The invention is an on-signaling gateway connection-oriented building and message transmitting method, applied to signaling gateway with SCCP protocol and SUA protocol functions, where routing control function of SCCP or SUA protocol receives connection oriented request information and then sends the information to connection oriented function to allocate local-side connection segment for it, and when determining the destination point of the information is in another domain, generates connection building request primitive and sends the primitive to connected-oriented function of opposite SUA or SCCP protocol, which allocates local-side connection segment to the request and organizes connection oriented request information and sends out the organized connection oriented request information by control function; after the connection segment allocation is completed, the connection oriented function of SCCP or SUA protocol receives and converts the follow-up information of the service into corresponding primitive information to connection oriented function of opposite protocol, and organizes and sends out connection oriented information of opposite protocol. And the invention can assure connection oriented information smoothly passes through signaling gateway and makes two-way interaction.
Description
Technical field
The present invention relates to the communications field, specifically, relate to the implementation method of transmitting between SIGTRAN signaling protocol stack and Signaling System Number 7 protocol stack towards connection message on the SGW.
Background technology
SIGTRAN is the protocol stack that transmits the No.7 signaling on IP network that is proposed by IETF.SignallingConnection Control Part User Adaptation Layer (SUA, SCCP user adaptation layer) agreement is wherein to be No.7 signaling system Signalling Connection Control Part (SCCP, SCCP) the user message transmission provides the agreement of adaption function, mainly is used in to carry out adaptive to the SCCP User Agreement between IP territory peers include both node or SGW and IP territory end node.When the SUA that is positioned at SGW receives the message that the SCCP of this gateway sends, at first carry out address translation and map addresses, and be routed to the purpose Internet Protocol signaling point by the SCTP coupling.When SUA receives message from IP network, then carry out address translation and map addresses, message is sent to the SCCP of SGW, and is routed to the No.7 signalling point.
Have dual mode at SGW for the user of SCCP and SUA agreement, a kind of is the agent point mode, and a kind of is the intermediate point mode.Under the mode of agent point, from the Signaling System Number 7 territory or the IP territory can think that the user in another one territory resides on the SGW exactly, and under the intermediate point mode, think that then the user resides on the node in another one territory.
SUA agreement and SCCP provide two types business support, i.e. connectionless service and connection-oriented service.The connection-oriented service of agreement support need be set up a linkage section passage according to point of destination user's address information on one or more signalling points, this passage comprises one or more linkage section.Intermediate point on the passage need distribute two linkage sections, is used for two signalling point information of closing on the recording channel.Follow-up will carry out bi-directional towards connection message on this linkage section passage, and need not to comprise point of destination user's address information.
SUA agreement and SCCP are divided into four big functional modules, are respectively the route controlled function, towards linkage function, and no linkage function and management function.The route controlled function mainly is responsible for the route of message, mainly handle the primitive message towards connection message and user of route controlled function distribution towards linkage function, no linkage function is mainly handled the connectionless information of route controlled function distribution and user's primitive message, and management function is mainly finished the administrative messag that relates to signalling point or subsystem in the agreement and handled.
At present on SGW, also do not provide a kind of and set up and message forwarding method guarantees on the SGW transmission towards connection message towards connecting.
Summary of the invention
The technical problem to be solved in the present invention provides on a kind of SGW towards connecting and sets up and the method for forwards, can guarantee IP territory and Signaling System Number 7 territory SCCP user can carry out two-way interactive by SGW smoothly towards connection message.
In order to solve the problems of the technologies described above, the invention provides the method from SCCP to the SUA agreement on a kind of SGW towards connection foundation and forwards, be applied to have on the SGW of SCCP and SUA protocol function, this method may further comprise the steps:
(a1) the route controlled function of SCCP is received after connection request message, gives handling towards linkage function of this agreement with this message;
(b1) SCCP receive this message towards linkage function after, distribute this side linkage section, judge and to learn this message point of destination when another territory, conversion generates corresponding connection and sets up request primitive message, send to equity the SUA agreement towards linkage function;
(c1) the SUA agreement distribute the linkage section of this side towards linkage function, organize out giving this agreement route controlled function towards connection request message and sending out of this agreement.
Further, said method also can have following characteristics: described step (c1) is further comprising the steps of afterwards:
(d1) towards connect set up successfully after, when the route controlled function of SCCP is received the follow-up message of connection-oriented service, on give this agreement towards linkage function;
(e1) SCCP when linkage function is judged this follow-up message and need be sent to another territory, the message conversion that this is follow-up is corresponding primitive message, send to equity the SUA agreement towards linkage function;
(f1) the SUA agreement receive this primitive message towards linkage function after, organize out this agreement correspondence towards connection message, give this agreement route controlled function and send out.
Further, said method also can have following characteristics: the linkage section that the SUA agreement of described SCCP and equity is distributed adopts identical hyphen.
Further, said method also can have following characteristics: described SGW is the agent point to the targeted customer, in the described step (b1), SCCP towards linkage function be according to described in connection request message point coding and targeted customer's subsystem number, from this targeted customer's the information of record, know that point of destination is in another territory.
Further, said method also can have following characteristics: described SGW is an intermediate point to the targeted customer, in the described step (b1), SCCP be to know that according to described point of destination point coding in connection request message point of destination is in another territory towards linkage function.
Further, said method also can have following characteristics: in the described step (e1), the routing direction towards writing down during linkage function is this side linkage section according to this business correspondence of SCCP judges whether this message need send to another territory.
Further, said method also can have following characteristics: in the described step (d1), the follow-up message of described connection-oriented service comprise at least towards connection response message, towards connect data-message with towards being connected the data response message.
Further, said method also can have following characteristics: described SGW is the agent point to the targeted customer, in the described step (a1), the route controlled function of SCCP is received after connection request message, if judging described SGW according to the point coding in this message is point of destination, then this message is given handling of this agreement towards linkage function.
Further, said method also can have following characteristics: described SGW is an intermediate point to the targeted customer, in the described step (a1), the route controlled function of SCCP is received after connection request message, if the point of destination of judging message according to the point of destination point coding in this message is then given this message handling towards linkage function of this agreement in another territory.
The present invention also provides the method towards connection foundation and forwards from the SUA agreement to SCCP on a kind of SGW, is applied to have on the SGW of SCCP and SUA protocol function, and this method may further comprise the steps:
(a2) the route controlled function of SUA agreement is received after connection request message, gives handling towards linkage function of this agreement with this message;
(b2) the SUA agreement receive this message towards linkage function after, distribute this side linkage section, judge and to learn this message point of destination when another territory, conversion generates corresponding connection and sets up request primitive message, send to equity SCCP towards linkage function;
(c2) SCCP distribute the linkage section of this side towards linkage function, organize out giving this agreement route controlled function towards connection request message and sending out of this agreement.
Further, said method also can have following characteristics: described step (c2) is further comprising the steps of afterwards:
(d2) towards connect set up successfully after, when the route controlled function of SUA agreement is received the follow-up message of connection-oriented service, on give this agreement towards linkage function;
(e2) the SUA agreement when linkage function is judged this follow-up message and need be sent to another territory, the message conversion that this is follow-up is corresponding primitive message, send to equity SCCP towards linkage function;
(f2) SCCP receive this primitive message towards linkage function after, organize out this agreement correspondence towards connection message, give this agreement route controlled function and send out.
Further, said method also can have following characteristics: the linkage section that the SCCP of described SUA agreement and equity distributes adopts identical hyphen.
Further, said method also can have following characteristics: described SGW is the agent point to the targeted customer, in the described step (b2), the SUA agreement towards linkage function be according to described in connection request message point coding and targeted customer's subsystem number, from this targeted customer's the information of record, know that point of destination is in another territory.
Further, said method also can have following characteristics: described SGW is an intermediate point to the targeted customer, in the described step (b2), the SUA agreement be to know that according to described point of destination point coding in connection request message point of destination is in another territory towards linkage function.
Further, said method also can have following characteristics: in the described step (e2), the routing direction towards writing down during linkage function is this side linkage section according to this business correspondence of SUA agreement judges whether this message need send to another territory.
Further, said method also can have following characteristics: in the described step (d2), the follow-up message of described connection-oriented service comprise at least towards connection response message, towards connect data-message with towards being connected the data response message.
Further, said method also can have following characteristics: described SGW is the agent point to the targeted customer, in the described step (a2), the route controlled function of SUA agreement is received after connection request message, if judging described SGW according to the point coding in this message is point of destination, then this message is given handling of this agreement towards linkage function.
Further, said method also can have following characteristics: described SGW is an intermediate point to the targeted customer, in the described step (a2), the route controlled function of SUA agreement is received after connection request message, if the point of destination of judging message according to the point of destination point coding in this message is then given this message handling towards linkage function of this agreement in another territory.
The present invention is under the principle that the function clearly of not destroying original SCCP and SUA agreement is divided, the distribution of linkage section on SGW and the conversion of primitive by SCCP and SUA, realizing IP territory and Signaling System Number 7 territory on the SGW towards the level and smooth forwarding of connection message on SGW, the SCCP user in assurance IP territory and Signaling System Number 7 territory can carry out two-way interactive by SGW smoothly towards connection message.Further, can directly use the SCCP and the SUA agreement linkage section of same hyphen associated allocation, association and indexing means efficient are higher.
Description of drawings
Below in conjunction with accompanying drawing, concrete enforcement of the present invention is described in further detail.
Figure 1 shows that the schematic diagram that from SCCP to SUA, distributes linkage section and message conversion to transmit under the mode of first embodiment of the invention SGW agent point.
Figure 2 shows that the schematic diagram that from SUA to SCCP, distributes linkage section and message conversion to transmit under the mode of first embodiment of the invention SGW agent point.
Figure 3 shows that the schematic diagram that from SCCP to SUA, distributes linkage section and message conversion to transmit under the second embodiment of the invention SGW intermediate point mode.
Figure 4 shows that the schematic diagram that from SUA to SCCP, distributes linkage section and message conversion to transmit under the second embodiment of the invention SGW intermediate point mode.
Among the figure, SCRC represents the route controlled function of SCCP, SCOC represent SCCP towards linkage function, SUAOC represent the SUA agreement towards linkage function, SUARC represents the route controlled function of SUA agreement.CR represents be SCCP towards connection request message, what N_CONNECTREQ represented is to connect to set up request primitive message, CORE be the SUA agreement towards connection request message.DT be SCCP towards connecting data-message, N_DATAREQ be the user be sent to SUA towards connecting the data request primitive, CODT be the SUA agreement towards connecting data-message.CC represents be SCCP towards connection response message, COAK represents be the SUA agreement towards connection response message, what N_CONNECTRES represented is connection establishment response primitive.
Embodiment
For the ease of understanding the present invention, the process of setting up towards connection message in the SCN territory of the SCCP of an employing of description earlier suppose to set up user A to the connection between the user B, and user A and B belongs to node A and Node B respectively.Then to set up process as follows in this connection:
User A sends to connect and sets up request primitive message N_ConnectReq to node A, N primitive is meant the interface message of user and SCCP or SUA protocol interaction, the SCCP section of connecting of node A, and organize out this agreement towards connection request message CR, send to Node B, the section of connecting after Node B is received, judge that this point is a point of destination, send a connection to the user and set up indication message N_ConnectInd to user B, user B responds a connection establishment response primitive message N_ConnectRes, the SCCP of Node B sends to node A with what it organized the cost agreement towards connection response message CC, after node A receives, send connection to user A and set up affirmation primitive message N_ConnecCon, connect to set up and finish.Subsequently, can send data towards connecting by what set up between user A and the B.In adopting SUA protocol of I P territory, be similar, just adopt the message of SUA agreement towards the establishment of connection process.
In addition, in existing SCCP or SUA agreement, the message that the route controlled function of a node is received has two kinds, a kind of is this message, a kind of is other message, to this message, on deliver to after linkage function and should then be forwarded to the point of destination in this territory for the message of other point to reporting of user primitive message.And increased a kind of type of message in the present invention, be the message in another territory, this message need be finished two forwardings between peer protocol by SGW, and this SGW can be configured to dual mode for the targeted customer, i.e. agent point mode and intermediate point mode.Under the mode of agent point, the targeted customer in another territory is equivalent to just reside on the SGW for this territory, and under the intermediate point mode, the targeted customer in another territory is for this territory, and its place destination node is just in another territory.Be example with agent point and intermediate point mode respectively below, the present invention be described the purpose user during in the another one territory, on SGW to retransmission method towards connection message.
First embodiment: agent point mode
Be under the mode of present embodiment SGW agent point as shown in Figure 1, the distribution linkage section from SCCP to SUA and the schematic diagram of message conversion repeating process.
As shown in the figure, this process may further comprise the steps:
Steps A 1, the route controlled function SCRC of SCCP receive Incoming towards connection request message CR, judging its point of destination according to the point coding in the message is this point, give SCCP towards linkage function SCOC;
Step B1, SCCP receives behind connection request message CR towards linkage function SCOC, distributes the linkage section of SCCP side;
Step C1, SCCP towards the subsystem number (SSN) of linkage function SCOC according to point coding in the CR message and targeted customer, from targeted customer's the information of record, know that it resides in the IP territory, this point is the agent point to the targeted customer, that then will receive sets up message conversion towards connection and sets up request primitive N_ConnectReq for the connection that corresponding source user sends downwards, send to the SUA agreement towards linkage function SUAOC;
Here, by existing SCCP, SCCP towards linkage function after receiving CR, should report to connect to the targeted customer and set up indication N_ConnectInd, but because of point of destination in another territory, set up request primitive N_ConnectReq so need change into send connecting to SUAOC.The primitive message of mentioning in the literary composition towards the connection message correspondence, be meant with should be towards message of the same type of connection message, as setting up request primitive corresponding to connection towards connection request message, towards connection response message corresponding to connection establishment response primitive, or the like.
Step D1, the SUA agreement towards linkage function SUAOC receive connect set up request primitive message N_ConnectReq after, the linkage section that distributes the SUA side, use and the identical hyphen of SCCP side linkage section, the route controlled function SUARC that gives SUA towards connection request message CORE with the SUA agreement sends striking out then;
Step G1, SCCP receive connection establishment response primitive message N_ConnectRes towards linkage function SCOC after, organize out SCCP towards connection response message CC, the route controlled function SCRC that gives SCCP sends out;
Above process is the whole processing procedure of setting up SGW in the process towards connection.After connection was set up successfully, for the follow-up data-message of this business, the handling process of SGW was as follows:
Step H1, the route controlled function SCRC of SCCP receive follow-up after connect data-message DT, give SCCP towards linkage function SCOC;
Step G1, SUA towards linkage function SUAOC again to the route controlled function SUARC of SUA send the SUA agreement towards connecting data-message CODT, send out by SUARC.
After this step, SUARC may receive also that the IP domain node sends towards connecting the data response message, same, SUARC will send SUAOC on this message, after SUAOC judges that this message need send to the SCN territory, conversion generates towards connecting data response primitive message, gives SCOC, organizes out giving SCRC and send out towards connecting the data response message of SCCP by SCOC.
Fig. 2 is under the mode of present embodiment SGW agent point, the distribution linkage section from SUA to SCCP and the schematic diagram of message conversion repeating process.As shown in the figure, this process may further comprise the steps:
Steps A 2, the route controlled function SUARC of SUA receive Incoming towards connection request message CORE, judging its point of destination according to the point coding in the message is this point, give SUA towards linkage function SCOC;
Step B2, SUA receives behind connection request message CORE towards linkage function SUAOC, distributes the linkage section of SUA side;
Step C2, SUA towards linkage function SUAOC SSN number according to point coding in the CORE message and targeted customer, from targeted customer's the information of record, know that it resides in the SCN territory, this point is the agent point to the targeted customer, then need change generate to connect and set up request primitive N_ConnectReq, send to SCCP towards linkage function SCOC;
Step D2, SCCP towards linkage function SCOC receive connect set up request primitive message N_ConnectReq after, the linkage section that distributes the SCCP side, and use and the identical hyphen of SUA side linkage section, organize out the route controlled function SCRC that gives SCCP towards connection request message CR of SCCP to send out then;
Step e 2, the route controlled function SCRC of SCCP receive this business of returning behind connection response message CC, give towards linkage function SCOC and handle;
Step G1, SUA receive connection establishment response primitive message N_ConnectRes towards linkage function SUAOC after, organize out the SUA agreement towards connection response message COAK, the route controlled function SUARC that gives SUA sends out;
Step H2, the route controlled function SUARC of SUA receive follow-up after connect data-message CODT, give handling towards linkage function SUAOC of SUA;
Step F 2, SUAOC receives message CODT, know according to the routing direction that writes down in the corresponding linkage section (also can be record other relevant information) and need send a message to the SCN territory, this locality is the agent point, then need change generation towards connecting data request primitive message N_DATAREQ, give SCCP towards linkage function SCOC;
Step G2, SCCP towards linkage function SCOC organize out SCCP towards connecting data-message DT, the route controlled function SCRC that gives SCCP sends out.
From above-mentioned flow process as can be seen, in the foundation of linkage section, if SCCP and SUA judge that towards linkage function SGW is the agent point mode for the targeted customer, i.e. this connection is actual leads to an other territory, carrying out linkage section towards linkage function and distribute at first then in this agreement (SCCP/SUA), afterwards, use identical hyphen to carry out the linkage section of half distribution in addition on the SGW at peer protocol (SUA/SCCP).
And in message conversion and forwarding, after leading to the linkage section foundation in other territory, the SCCP/SUA agreement should be to reporting of user primitive message towards linkage function according to existing processing, present embodiment then be converted into primitive message that corresponding user sends downwards to another one territory peer protocol SUA/SCCP towards linkage function, as indication is converted to request primitive, will confirm that primitive is converted to response primitive.The forwarding that continues the foundation of this side linkage section and message towards linkage function by peer protocol is handled.SGW has been finished the conversion of message in this way and has been transmitted, and does not change the processing mode of other node in IP territory and the SCN territory.
Second embodiment
Fig. 3 is under the present embodiment SGW intermediate point mode, the distribution linkage section from SCCP to SUA and the schematic diagram of message conversion repeating process.As shown in the figure, may further comprise the steps:
Steps A 3, the route controlled function SCRC of SCCP receive Incoming towards connection request message CR, learn that according to the point of destination point coding among the message CR point of destination is the node in IP territory, then give SCCP towards linkage function SCOC;
Step B3, SCCP receives behind connection request message CR towards linkage function SCOC, distributes the linkage section of SCCP side;
Step C3, SCCP's knows point of destination towards linkage function SCOC in the IP territory according to the point of destination point coding in the message, then need change generate to connect and set up request primitive message N_ConnectReq, send to the SUA agreement towards linkage function SUAOC;
Because whether SCRC judges in another territory the point of destination of message, so also can send to the sign that adds a type of message in the connection request message of SCOC, SCOC can learn the point of destination of this message in another territory according to this sign, and needn't rejudge.
The step D1 of the follow-up step D3～G3 and first embodiment～G1 is identical, here no longer repeat specification.
Fig. 4 is under the present embodiment SGW intermediate point mode, the distribution linkage section from SUA to SCCP and the schematic diagram of message conversion repeating process.As shown in the figure, this process may further comprise the steps:
Steps A 4, the route controlled function SUARC of SUA receive Incoming towards connection request message CORE, learn that according to the point of destination point coding in the CORE message point of destination is the node in SCN territory, give SUA towards linkage function SUAOC;
Step B4, SUA receives behind connection request message CORE towards linkage function SUAOC, distributes the linkage section of SUA side;
Step C4, SUA's knows point of destination towards linkage function SUAOC in the SCN territory according to the point of destination point coding in the message, then need change generate to connect and set up request primitive message N_ConnectReq, send to SCCP towards linkage function SCOC;
The step D2 of the follow-up step D4～G4 and first embodiment～G2 is identical, here no longer repeat specification.
In sum, the present invention is under the principle that the function clearly of not destroying original SCCP and SUA agreement is divided, the distribution of linkage section on SGW and the conversion of primitive by SCCP and SUA, realizing IP territory and Signaling System Number 7 territory on the SGW towards the level and smooth forwarding of connection message on SGW, the SCCP user in assurance IP territory and Signaling System Number 7 territory can carry out two-way interactive by SGW smoothly towards connection message.Can also directly use the SCCP and the SUA agreement linkage section of same hyphen associated allocation, association and indexing means efficient are higher.
Claims (18)
1, the method towards connection foundation and forwards from SCCP to the SUA agreement on a kind of SGW is applied to have on the SGW of SCCP and SUA protocol function, and this method may further comprise the steps:
(a1) the route controlled function of SCCP is received after connection request message, gives handling towards linkage function of this agreement with this message;
(b1) SCCP receive this message towards linkage function after, distribute this side linkage section, judge and to learn this message point of destination when another territory, conversion generates corresponding connection and sets up request primitive message, send to equity the SUA agreement towards linkage function;
(c1) the SUA agreement distribute the linkage section of this side towards linkage function, organize out giving this agreement route controlled function towards connection request message and sending out of this agreement.
2, the method for claim 1 is characterized in that, described step (c1) is further comprising the steps of afterwards:
(d1) towards connect set up successfully after, when the route controlled function of SCCP is received the follow-up message of connection-oriented service, on give this agreement towards linkage function;
(e1) SCCP when linkage function is judged this follow-up message and need be sent to another territory, the message conversion that this is follow-up is corresponding primitive message, send to equity the SUA agreement towards linkage function;
(f1) the SUA agreement receive this primitive message towards linkage function after, organize out this agreement correspondence towards connection message, give this agreement route controlled function and send out.
3, the method for claim 1 is characterized in that, the linkage section that the SUA agreement of described SCCP and equity is distributed adopts identical hyphen.
4, method as claimed in claim 1 or 2, it is characterized in that, described SGW is the agent point to the targeted customer, in the described step (b1), SCCP towards linkage function be according to described in connection request message point coding and targeted customer's subsystem number, from this targeted customer's the information of record, know that point of destination is in another territory.
5, method as claimed in claim 1 or 2, it is characterized in that, described SGW is an intermediate point to the targeted customer, in the described step (b1), SCCP be to know that according to described point of destination point coding in connection request message point of destination is in another territory towards linkage function.
6, method as claimed in claim 2 is characterized in that, in the described step (e1), the routing direction towards writing down during linkage function is this side linkage section according to this business correspondence of SCCP judges whether this message need send to another territory.
7, method as claimed in claim 2 is characterized in that, in the described step (d1), the follow-up message of described connection-oriented service comprise at least towards connection response message, towards connect data-message with towards being connected the data response message.
8, method as claimed in claim 1 or 2, it is characterized in that, described SGW is the agent point to the targeted customer, in the described step (a1), the route controlled function of SCCP is received after connection request message, if judging described SGW according to the point coding in this message is point of destination, then this message is given handling of this agreement towards linkage function.
9, method as claimed in claim 1 or 2, it is characterized in that, described SGW is an intermediate point to the targeted customer, in the described step (a1), the route controlled function of SCCP is received after connection request message, if the point of destination of judging message according to the point of destination point coding in this message is then given this message handling towards linkage function of this agreement in another territory.
10, the method towards connection foundation and forwards from the SUA agreement to SCCP on a kind of SGW is applied to have on the SGW of SCCP and SUA protocol function, and this method may further comprise the steps:
(a2) the route controlled function of SUA agreement is received after connection request message, gives handling towards linkage function of this agreement with this message;
(b2) the SUA agreement receive this message towards linkage function after, distribute this side linkage section, judge and to learn this message point of destination when another territory, conversion generates corresponding connection and sets up request primitive message, send to equity SCCP towards linkage function;
(c2) SCCP distribute the linkage section of this side towards linkage function, organize out giving this agreement route controlled function towards connection request message and sending out of this agreement.
11, method as claimed in claim 10 is characterized in that, described step (c2) is further comprising the steps of afterwards:
(d2) towards connect set up successfully after, when the route controlled function of SUA agreement is received the follow-up message of connection-oriented service, on give this agreement towards linkage function;
(e2) the SUA agreement when linkage function is judged this follow-up message and need be sent to another territory, the message conversion that this is follow-up is corresponding primitive message, send to equity SCCP towards linkage function;
(f2) SCCP receive this primitive message towards linkage function after, organize out this agreement correspondence towards connection message, give this agreement route controlled function and send out.
12, method as claimed in claim 10 is characterized in that, the linkage section that the SCCP of described SUA agreement and equity distributes adopts identical hyphen.
13, as claim 10 or 11 described methods, it is characterized in that, described SGW is the agent point to the targeted customer, in the described step (b2), the SUA agreement towards linkage function be according to described in connection request message point coding and targeted customer's subsystem number, from this targeted customer's the information of record, know that point of destination is in another territory.
14, as claim 10 or 11 described methods, it is characterized in that, described SGW is an intermediate point to the targeted customer, in the described step (b2), the SUA agreement be to know that according to described point of destination point coding in connection request message point of destination is in another territory towards linkage function.
15, method as claimed in claim 11 is characterized in that, in the described step (e2), the routing direction towards writing down during linkage function is this side linkage section according to this business correspondence of SUA agreement judges whether this message need send to another territory.
16, method as claimed in claim 11 is characterized in that, in the described step (d2), the follow-up message of described connection-oriented service comprise at least towards connection response message, towards connect data-message with towards being connected the data response message.
17, as claim 10 or 11 described methods, it is characterized in that, described SGW is the agent point to the targeted customer, in the described step (a2), the route controlled function of SUA agreement is received after connection request message, if judging described SGW according to the point coding in this message is point of destination, then this message is given handling of this agreement towards linkage function.
18, as claim 10 or 11 described methods, it is characterized in that, described SGW is an intermediate point to the targeted customer, in the described step (a2), the route controlled function of SUA agreement is received after connection request message, if the point of destination of judging message according to the point of destination point coding in this message is then given this message handling towards linkage function of this agreement in another territory.
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| CN101425921B (en) * | 2007-11-01 | 2011-04-20 | 华为技术有限公司 | Method and device for adaptation layer protocol resource management of signaling connection control part customer |
| CN101527704B (en) * | 2008-03-05 | 2012-11-07 | 华为技术有限公司 | Method and device for converting multi-protocol signalings |
| WO2009129837A1 (en) | 2008-04-22 | 2009-10-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Method of operating a signalling gateway and an application server, and signalling gateway and application server |
| CN102469622B (en) * | 2010-11-16 | 2014-12-03 | 中兴通讯股份有限公司 | Method and device for processing incoming message of multimode controller and multimode controller |
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2005
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Non-Patent Citations (4)
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| No.7信令***中的信令连接控制及其应用. 杨路.重庆邮电学院学报，第Vol. 9卷第No. 4期. 1997 |
| No.7信令***中的信令连接控制及其应用. 杨路.重庆邮电学院学报，第Vol. 9卷第No. 4期. 1997 * |
| 七号信令***SCCP部分的分析与实现. 韩昭，王雪琛，周建林，马宏.电信工程技术与标准化. 2004 |
| 七号信令***SCCP部分的分析与实现. 韩昭，王雪琛，周建林，马宏.电信工程技术与标准化. 2004 * |
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