CN101483868B - Method, equipment and system for allocating application server - Google Patents
Method, equipment and system for allocating application server Download PDFInfo
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- CN101483868B CN101483868B CN200810056087.9A CN200810056087A CN101483868B CN 101483868 B CN101483868 B CN 101483868B CN 200810056087 A CN200810056087 A CN 200810056087A CN 101483868 B CN101483868 B CN 101483868B
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- application server
- network
- visited network
- server
- user
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
Abstract
The invention discloses a method, a device and a system for distributing application servers, which mainly comprises: a home network receives an application server distribution message sent by a visit network; the application server distribution message is used for indicating whether the visit network is capable of distributing application servers, so as to facilitate the home network to determine application server distribution strategy for the users in the visit network based on the application server distribution message. The invention embodiment gets the home network to learn the application server distribution capacity of the visit network, so as to determine the processing process of distributing the application servers to the users, thereby reliably distributing the corresponding application servers to the users and ensuring normal communication process.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to a kind of method, equipment and system of distributing application servers.
Background technology
For the good autgmentability of utilizing IP-based communication system and characteristics with low cost, in the 3GPP system, introduced IMS (IP Multimedia System), traditional circuit switched service to be provided and to provide various multimedia services to the user.
In the process that the user commences business by the IMS network, P-CSCF (Proxy-Call SessionControl Function, proxy call conversation control function entity) is first tie point of user and IMS network service.Therefore, in Access Networks such as WiMAX (micro-wave access to global intercommunication) system, SS (user terminal)/MSS (portable terminal) for IMS network service, need know the IP address of at least one P-CSCF, so that at SIP (session initiation protocol) layer, corresponding P-CSCF provides corresponding service as sip server for user of access network.
At present, the sip server that user and IMS network service are used is to be responsible for distributing and the notice Access Network by AAA (authentication, authentication, charging) server, give corresponding user by Access Network with the IP address notification of sip server, so that the user is by corresponding sip server and IMS network service.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
For MIP (mobile IP) scene, because home network and do not know whether visited network has disposed the IMS network, thereby the distribution of corresponding sip server then need be responsible for by home network; At this moment,, then appear as HA that the user distributes and sip server probably and be in situation in the heterogeneous networks respectively, like this, will cause the communication signaling can't correct route, and then feasible communication can't normally be carried out if HA (home agent) has been distributed in visited network.In the application server assigning process under other similar application scenarioss, equally also there is corresponding problem.
Summary of the invention
The embodiment of the invention provides a kind of method, equipment and system of distributing application servers, thereby can guarantee normally carrying out of communication process reliably for the user distributes the application corresponding server.
A kind of method of distributing application servers comprises:
Home network receives the application server assignment information that visited network is sent, and described application server assignment information is used to show whether visited network possesses the ability of distributing application servers;
Home network is that the user who is in the visited network determines the application server allocation strategy according to described application server assignment information.
A kind of network equipment comprises:
Roamer's access unit is used for process user and inserts the visited network process;
Application server assignment information transmitting element, be used for sending local application server assignment information to the user's who inserts by described roamer's access unit home network, described application server assignment information is used to show whether visited network possesses the ability of distributing application servers.
The another kind of network equipment comprises:
Application server assignment information receiving element is used to receive the application server assignment information that user's visited network is sent;
Application server Decision of Allocation unit is used for the application server assignment information according to described application server assignment information receiving element reception, determines the application server allocation strategy for the user who is in the visited network in home network.
A kind of system of distributing application servers is characterized in that, comprises the above-mentioned first kind of network equipment that is arranged in the visited network, and communicate be arranged at the above-mentioned another kind of network equipment (being above-mentioned second kind of network equipment) in the home network.
The technical scheme that is provided by the invention described above embodiment as can be seen, notify home network owing to having adopted with the application server assignment information in the embodiment of the invention by visited network, thereby make home network can know the application server distribution capability of visited network, so that its decision-making is the processing procedure of user's distributing application servers, make it possible to reliably to the user distributes the application corresponding server, guarantee normally carrying out of communication process.
Description of drawings
The processing procedure schematic diagram that Fig. 1 provides for the embodiment of the invention;
A kind of network equipment structural representation that Fig. 2 provides for the embodiment of the invention;
The another kind of network equipment structural representation that Fig. 3 provides for the embodiment of the invention.
Embodiment
In the embodiment of the invention, insert in the visited network process the user, visited network sends to home network with the application server assignment information in the present networks, and this application server assignment information is used to show whether visited network possesses the ability of distributing application servers; So that home network can be that the user who is in the visited network determines the application server allocation strategy according to application corresponding server-assignment information.Corresponding user can be a subscriber terminal equipment, also can be a logical subscriber (as a plurality of users of a plurality of different identification card correspondences of a subscriber terminal equipment correspondence etc.), or the like.
Wherein, application corresponding server-assignment information comprises in the Application Server information that the indication of the ability that whether possesses distributing application servers and visited network distribute at least one; Wherein, if whether the Application Server information indication visited network that only adopts visited network to distribute possesses the ability of distributing application servers, then can be set to show that then visited network possesses the ability of distributing application servers if comprised the Application Server information of visited network distribution, otherwise, think that visited network does not possess the ability of distributing application servers.
The process of above-mentioned definite application server allocation strategy can comprise: when visited network does not possess the ability of distributing application servers, be that the user distributes corresponding application server by home network; Perhaps, when visited network possesses the ability of distributing application servers, determine by visited network or home network to be that the user distributes corresponding application server according to predetermined strategy by home network; Perhaps, when visited network possesses the ability of distributing application servers, the Application Server information that will distribute by visited network by home network and send to the Access Network of visited network by the Application Server information that home network distributes, and be that the user selects corresponding application server by this Access Network.
The embodiment of the invention can adopt the VAAA (VisitedAAA in the visited network in concrete application process, visit AAA) HAAA (the Home AAA in server and the home network, local AAA) server cooperates the assigning process of realizing the application corresponding server, specifically can comprise:
Under roaming scence, in the access authentication of user process, report the application server assignment information of self to the HAAA server by the VAAA server, so that the HAAA server is the processing procedure of user's distributing application servers according to application corresponding server-assignment information decision, be defined as the strategy of user's distributing application servers.Wherein, the VAAA server in the corresponding visited network is done the AAA agency, has the function of distributing and reporting application server address or domain name (as the address or the domain name of sip server); The HAAA server of home network have decision-making and distribute home network and visited network in application server address or the function (as the address or the domain name of sip server) of domain name.
Wherein, the application corresponding server can be IMS business (SIP application) server, IPTV (IP-based TV) service server, Multimedia Broadcast Multicast Service server, positioning service server, the navigation service server, the application server in the wireless networks such as general service server, name server, Dynamic Host Configuration Protocol server; Whether application corresponding server-assignment information can be for having the ability of distributing application servers, perhaps, for Application Server information (as the address of application server or domain name etc.), perhaps, also can comprise ability and the Application Server information that whether has distributing application servers simultaneously.
What the HAAA server was determined specifically can comprise for the strategy of user's distributing application servers:
(1) determines by the HAAA server to be user's distributing application servers
By HAAA server decision will be in home network for the address or the domain name of the application server of user's distribution is carried in the insertion authority message, and be issued to Access Network by the VAAA server.
Wherein, do not support the situation of distributing application servers, then can only finish by the HAAA server for the operation of user's distributing application servers accordingly for the VAAA server.
(2) determine by the VAAA server to be user's distributing application servers
If the decision of HAAA server is user's distributing application servers by the VAAA server, and the address or the domain name of the application server of its distribution that the VAAA server is sent have been received, then the HAAA server is carried on the address or the domain name of application corresponding server in the insertion authority message, and be issued to Access Network by the VAAA server, so that offer the user;
Perhaps,
If the decision of HAAA server is user's distributing application servers by the VAAA server, and do not receive the address or the domain name of the application server of its distribution that the VAAA server is sent, then the HAAA server to the VAAA server send do not comprise application server address or domain name insertion authority message (alternatively, can in message, indicate the distribution of carrying out application server by the VAAA server), then the VAAA server will be after receiving insertion authority message, for the user distributes the application corresponding server and is issued in the Access Network, so that offer the user.
(3) definite application server by access network selection VAAA server or HAAA server-assignment
The address of the application server that the HAAA server distributes in home network or domain name, and the address or the domain name of the application server that distributes in visited network that sends of the VAAA server that receives all are issued to Access Network, and in terminal request application server address or domain name process, issue the address or the domain name of the application server that in home network, distributes to terminal by the Access Network decision, the address of the application server that perhaps, in visited network, distributes or domain name.
Further, in network, also may need for the user distributes HA (home agent), at this moment, for guarantee for the HA of user's distribution and application server in consolidated network, then the embodiment of the invention specifically can adopt following implementation:
(1) under MIP (mobile IP) scene, when the user inserts visited network, if visited network can provide application server (promptly can distribute the application corresponding server for the user), then the VAAA server can carry HA address and application server address or the domain name that visited network distributes in the access authentication request message that sends to the HAAA server, whether can distribute HA and application server simultaneously so that the HAAA server can be known visited network;
(2) after the HAAA server is determined the allocation strategy of HA and application server, if allow HA and application server to distribute in visited network, then the HAAA server carries HA address and application server address or the domain name that visited network distributes in the insertion authority message behind the success identity that sends to the VAAA server; Otherwise, carry the HA that distributes in the home network in the insertion authority message behind success identity, and application server address or domain name;
(3) after the VAAA server is received insertion authority message, give Access Network with the insertion authority forwards that carries HA address and application server address or domain name.Like this, can guarantee that just HA and application server are distributed in consolidated network, realize the routing optimality of application layer signaling and data.
The embodiment of the invention specifically can be applied to comprise in the communication system of IMS network, distributes corresponding sip server P-CSCF to be used to the access user, will describe this concrete application below.
After using the embodiment of the invention, under roaming scence, be in VAAA server in the visited network in the access authentication of user process, it is informed the HAAA server in the home network for P-CSCF information (as P-CSCF address or domain name etc.) that the user distributes, so that by the distribution of HAAA server decision-making P-CSCF.Like this, under the MIP scene, the HAAA server can know whether visited network can distribute corresponding HA and P-CSCF simultaneously, thereby can control the distribution of HA and P-CSCF, can be distributed in the consolidated network with assurance HA and P-CSCF, and then guarantee the routing optimality of SIP signaling.
If communicate based on SIP (session initiation protocol), then at the SIP layer, P-CSCF is used to realize the function of sip server between user and the IMS network, at this moment, and the distribution of the promptly mutually current sip server of distribution of P-CSCF.
To being example as if communicating between user and the IMS network based on SIP, then further, under roaming scence, in the access authentication of user process, the VAAA server will report IMS ability (promptly whether possessing the ability of distributing sip server) or sip server information (as sip server address or sip server domain name etc.) to the HAAA server, so that be issued to Access Network with at least one in local sip server information and the visit ground sip server information by the VAAA server by the decision of HAAA server.Wherein, if local sip server information and visit ground sip server information all are issued to Access Network, then can issue local sip server information or visit ground sip server information to terminal by the Access Network decision.
With reference to shown in Figure 1, corresponding sip server assigning process specifically can comprise:
Step 1, Access Network send to insert the VAAA server of request message in the visited network after receiving the authentication request message of terminal;
Step 2, after the VAAA server is received the access request message that Access Network sends, if can be the terminal distribution sip server, then will insert request message after the sip server address of VAAA server interpolation visited network in inserting request message or the domain name (being vSIP server address or domain name) and send to the HAAA server according to roaming agreement;
After step 3, HAAA server receive the access request message that the VAAA server sends,, operate with access authentication to terminal with the communication process of carrying out between terminal and the HAAA server;
Step 4, after access authentication completes successfully, by the distribution of HAAA server decision-making sip server, and to VAAA server transmission insertion authority message;
If allow sip server to distribute in visited network, then HAAA carries the sip server address or the sip server domain name of visited network in the insertion authority message behind the success identity;
If do not allow sip server to distribute in visited network, then HAAA carries the sip server address or the sip server domain name (being hSIP server address or domain name) of home network in the insertion authority message behind the success identity;
Step 5 after VAAA receives insertion authority message, is given Access Network with the insertion authority forwards of carrying sip server address or sip server domain name accordingly.
Need to prove, if in step 2, the VAAA server only reports the HAAA server with the IMS ability, then in follow-up step 4, if allow sip server in visited network, to distribute, then obviously can't carry the sip server address or the sip server domain name of visited network in Ci Shi the insertion authority message, for this reason, can in insertion authority message, carry the indication that distributes sip server accordingly by visited network, so that the VAAA server can be determined to carry out the distribution of sip server by self after receiving this message according to this indication, if in insertion authority message, do not carry this indication, then the VAAA server also can find not carry in the message sip server address or sip server domain name after receiving insertion authority message, then determines to carry out the distribution of sip server by self.
In the process of commencing business,, under the MIP scene, distribute the process of sip server and HA specifically can comprise accordingly if need then distribute the process of HA to combine accordingly for the user distributes HA with the process of distributing sip server:
Step 1, the VAAA server sends the access authentication request message to the HAAA server;
If visited network can distribute sip server, then in described access authentication request message, carry HA information that visited network distributes (as the HA address etc.) and sip server information, whether can distribute corresponding HA and sip server simultaneously so that the HAAA server can be known visited network.
Step 2, HAAA server are carried out the batch operation of HA and sip server after receiving the access authentication request message that described VAAA server sends, and specifically comprise:
If allow HA and sip server to distribute in visited network, then the HAAA server is in the HA information and the sip server information of carrying visited network behind the success identity in the insertion authority message that the VAAA server sends;
If do not allow HA and sip server to distribute in visited network, then the HAAA server is carrying sip server and the HA that home network distributes in the insertion authority message that the VAAA server sends behind the success identity.
Step 3 after the VAAA server is received insertion authority message, is sent to Access Network with corresponding insertion authority message, so that Access Network is known as the HA information and the sip server information of its distribution.
By above-mentioned processing procedure, can guarantee that then corresponding HA and sip server can be distributed in consolidated network, optimize the route of SIP signaling.
The embodiment of the invention also provides a kind of system of distributing application servers, and it comprises the network equipment that is arranged in the access zone network and the network equipment that is arranged in the home network, wherein:
As the network equipment in the user visiting network, as VAAA server etc., corresponding structure specifically can comprise as shown in Figure 2:
(1) roamer's access unit is used for process user and inserts the visited network process;
(2) application server assignment information transmitting element, be used for sending local application server assignment information to the user's who inserts by described roamer's access unit home network, described application server assignment information is used to show whether visited network possesses the ability of distributing application servers;
Wherein, application corresponding server-assignment information comprises in the Application Server information that the indication of the ability that whether possesses distributing application servers and visited network distribute at least one.
In this network equipment, can also comprise the application server allocation units, be used to described user in visited network, to distribute the application corresponding server, specifically can be used for when the user inserts by described roamer's access unit, perhaps, during not from home network acquisition Application Server information, for described user distributes the application corresponding server in visited network.
As the network equipment in user's home network, as HAAA server etc., corresponding construction specifically can comprise as shown in Figure 3:
(1) application server assignment information receiving element is used to receive the application server assignment information that user's visited network is sent;
Equally, application corresponding server-assignment information comprises at least one in the Application Server information that the indication of the ability that whether possesses distributing application servers and visited network distribute, wherein, if whether the Application Server information indication visited network that only adopts visited network to distribute possesses the ability of distributing application servers, then can be set to show that then visited network possesses the ability of distributing application servers if comprised the Application Server information of visited network distribution, otherwise, think that visited network does not possess the ability of distributing application servers;
(2) application server Decision of Allocation unit is used for the application server assignment information according to described application server assignment information receiving element reception, determines the application server allocation strategy for the user who is in the visited network in home network;
Alternatively, this application server Decision of Allocation unit specifically can comprise with lower unit:
Judging unit is used for judging according to the application server assignment information that described application server assignment information receiving element receives whether visited network possesses the ability of distributing application servers;
Application server allocation process unit is used for the judged result according to judging unit, when visited network does not possess the ability of distributing application servers, is that the user distributes corresponding application server by home network; When visited network possesses the ability of distributing application servers, determine by visited network or home network to be that the user distributes corresponding application server by home network according to predetermined strategy, or the notice Access Network is selected application server that is distributed by visited network or the application server that is distributed by home network for the user;
Information transmitting unit, be used for result according to described application server allocation process unit, at least one item in the application server that application server that will be distributed by home network and visited network distribute sends to visited network, perhaps, will send to visited network by the indication of visited network distributing application servers; Alternatively, this information transmitting unit local proxy information and Application Server information that can also be used for being in consolidated network with described application server sends to visited network in the lump.
Need to prove that each unit that above-mentioned two kinds of network equipments comprise also can be arranged in the consolidated network equipment simultaneously, as is arranged at aaa server, so that it both can be used as the VAAA server, also can be for making the HAAA server.
Need to prove, the application server of mentioning in above-mentioned each embodiment of the invention can be the sip server among the IMS, also can be IPTV server, Multimedia Broadcast Multicast Service server, location-server, navigation server or general service server etc. perhaps also can be other application servers in the wireless network.And similar with the processing procedure of distributing sip server at the different allocation process processes that application server adopted, difference is the assignment information difference (address that is server is different with domain name) of server so do not describe in detail one by one.
In sum, the realization of the embodiment of the invention makes under roaming scence, still can be reliably for the user distributes the application corresponding server, so that the user who is under the roaming scence obtains corresponding service.Simultaneously, because home network can be known application server providing capability in the visited network, therefore, can promptly be convenient to the assigning process of home network Management Application Server so that the allocation strategy of the more convenient decision-making application corresponding of home network server.Moreover, in the process of distributing application servers, can also carry out distribution and the transmission of HA in the lump, thereby can guarantee can be arranged in consolidated network for application server and HA that same user distributes, make corresponding signalling route be optimized.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (13)
1. the method for a distributing application servers is characterized in that, comprising:
Home network receives the application server assignment information that visited network is sent, and described application server assignment information is used to show whether visited network possesses the ability of distributing application servers;
Home network is that the user who is in the visited network determines the application server allocation strategy according to described application server assignment information.
2. method according to claim 1 is characterized in that, described application server assignment information comprises at least one in the Application Server information that the indication of the ability that whether possesses distributing application servers and visited network distribute.
3. method according to claim 1 is characterized in that, the processing of described definite application server allocation strategy comprises:
When visited network does not possess the ability of distributing application servers, be that the user distributes corresponding application server by home network;
Perhaps,
When visited network possesses the ability of distributing application servers, determine by visited network or home network to be that the user distributes corresponding application server according to predetermined strategy by home network;
Perhaps,
When visited network possesses the ability of distributing application servers, the Application Server information that will distribute by visited network by home network and send to the Access Network of visited network by the Application Server information that home network distributes, and be that the user selects corresponding application server by this Access Network.
4. method according to claim 2 is characterized in that, this method also comprises:
Home network will be that the Application Server information that the user distributes sends to visited network by visited network or home network after receiving the Application Server information of visited network for user's distribution;
Perhaps,
What visited network did not receive that home network sends is the Application Server information that the user distributes by visited network or home network, is that the user distributes corresponding application server by visited network then.
5. according to each described method of claim 1 to 4, it is characterized in that this method also comprises: home network will send to visited network with the local proxy information that the application server that distributes for the user is in the consolidated network; Visited network will send to home network with the local proxy information that the application server that distributes for the user is in the consolidated network.
6. a network equipment is characterized in that, comprising:
Roamer's access unit is used for process user and inserts the visited network process;
Application server assignment information transmitting element, be used for sending local application server assignment information to the user's who inserts by described roamer's access unit home network, described application server assignment information is used to show whether visited network possesses the ability of distributing application servers.
7. the network equipment according to claim 6 is characterized in that, this equipment also comprises:
The application server allocation units are used for when the user inserts by described roamer's access unit, perhaps, and during not from home network acquisition Application Server information, for described user distributes the application corresponding server in visited network.
8. the network equipment according to claim 6 is characterized in that, described application server assignment information comprises at least one in the Application Server information that the indication of the ability that whether possesses distributing application servers and visited network distribute.
9. a network equipment is characterized in that, comprising:
Application server assignment information receiving element is used to receive the application server assignment information that user's visited network is sent;
Application server Decision of Allocation unit is used for the application server assignment information according to described application server assignment information receiving element reception, determines the application server allocation strategy for the user who is in the visited network in home network.
10. the network equipment according to claim 9 is characterized in that, described application server assignment information comprises at least one in the Application Server information that the indication of the ability that whether possesses distributing application servers and visited network distribute.
11., it is characterized in that described application server Decision of Allocation unit comprises according to the claim 9 or the 10 described network equipments:
Judging unit is used for judging according to the application server assignment information that described application server assignment information receiving element receives whether visited network possesses the ability of distributing application servers;
Application server allocation process unit is used for the judged result according to judging unit, when visited network does not possess the ability of distributing application servers, is that the user distributes corresponding application server by home network; When visited network possesses the ability of distributing application servers, determine by visited network or home network to be that the user distributes corresponding application server by home network according to predetermined strategy, perhaps, the notice Access Network is selected application server that is distributed by visited network or the application server that is distributed by home network for the user;
Information transmitting unit, be used for result according to described application server allocation process unit, at least one item in the application server that application server that will be distributed by home network and visited network distribute sends to visited network, perhaps, will send to visited network by the indication of visited network distributing application servers.
12. the network equipment according to claim 11 is characterized in that, described information transmitting unit, and the local proxy information and the Application Server information that also are used for being in consolidated network with described application server send to visited network in the lump.
13. the system of a distributing application servers, it is characterized in that, comprise each the described network equipment of claim 6 to 8 that is arranged in the visited network, and communicate be arranged at each described network equipment of claim 9 to 12 in the home network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810056087.9A CN101483868B (en) | 2008-01-11 | 2008-01-11 | Method, equipment and system for allocating application server |
| PCT/CN2009/070065 WO2009089783A1 (en) | 2008-01-11 | 2009-01-07 | Method, device and system for assigning the application server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810056087.9A CN101483868B (en) | 2008-01-11 | 2008-01-11 | Method, equipment and system for allocating application server |
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| Publication Number | Publication Date |
|---|---|
| CN101483868A CN101483868A (en) | 2009-07-15 |
| CN101483868B true CN101483868B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810056087.9A Expired - Fee Related CN101483868B (en) | 2008-01-11 | 2008-01-11 | Method, equipment and system for allocating application server |
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| Country | Link |
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| CN (1) | CN101483868B (en) |
| WO (1) | WO2009089783A1 (en) |
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| WO2015131375A1 (en) * | 2014-03-06 | 2015-09-11 | 华为技术有限公司 | Proximity service control method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050255857A1 (en) * | 2004-05-17 | 2005-11-17 | Samsung Electronics Co., Ltd. | Method and apparatus for selecting a location platform for a user equipment to roam and method for determining a location of a user equipment using the same |
| CN1751494A (en) * | 2003-02-18 | 2006-03-22 | 高通股份有限公司 | Provisioning server information in a mobile station |
| CN101047616A (en) * | 2006-05-13 | 2007-10-03 | 华为技术有限公司 | Method for distributing homeplace agent |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100589661C (en) * | 2007-11-01 | 2010-02-10 | 中兴通讯股份有限公司 | A method for getting agent call session control function address in roaming |
-
2008
- 2008-01-11 CN CN200810056087.9A patent/CN101483868B/en not_active Expired - Fee Related
-
2009
- 2009-01-07 WO PCT/CN2009/070065 patent/WO2009089783A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1751494A (en) * | 2003-02-18 | 2006-03-22 | 高通股份有限公司 | Provisioning server information in a mobile station |
| US20050255857A1 (en) * | 2004-05-17 | 2005-11-17 | Samsung Electronics Co., Ltd. | Method and apparatus for selecting a location platform for a user equipment to roam and method for determining a location of a user equipment using the same |
| CN101047616A (en) * | 2006-05-13 | 2007-10-03 | 华为技术有限公司 | Method for distributing homeplace agent |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009089783A1 (en) | 2009-07-23 |
| CN101483868A (en) | 2009-07-15 |
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