CN101489266B - IMS user stage controlling method and system based on signature data - Google Patents
IMS user stage controlling method and system based on signature data Download PDFInfo
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
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Abstract
An embodiment of the invention discloses an IMS user grade control method based on signed data and a system thereof, wherein the method comprises the following steps: when login request or conversation request of user is received, the user stage service control device obtains the user information corresponding with the user identification, respectively executing the QoS control of user grade, or registered user number control, or concurrent session control according to the obtained user information, wherein the user information is stored in the user database UDB. The embodiment of the invention can control the registered user number or concurrent session number. Furthermore when the IMS network is not deposited with NASS system, the service control accurate to user is executed according to the accountant opening signing data information of user.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to an IMS user level control method and system based on subscription data.
Background
Currently, an ims (ip Multimedia subsystem) network provides reliable QoS quality services to users mainly through a proxy call session control function server P-CSCF, and the contents include bandwidth/throughput, delay, jitter, packet loss rate, availability, and the like. The QoS signaling control and resource allocation mechanisms in IMS networks are independent of the session control protocol. The method mainly completes the functions of authorization/update/revocation of media resources, confirmation of bearer reservation, gating on/off, indication of bearer release/failure and the like.
When a fixed network is accessed, an application layer (AF) comprises a Proxy call session Control Function server (P-CSCF) or an Access network Resource Admission Control Function server (A-RACF) (Access-Resource Admission Control Function), position information, QoS (quality of service) Profile data, the maximum contact address number and the maximum concurrent session number of a user need to be acquired from a network Access server (NASS) subsystem, and then QoS Control can be performed according to the position information, the QoS Profile data, the maximum contact address number and the maximum concurrent session number, and the registered user number and the concurrent session number are controlled.
For example, in the prior art, when the NASS subsystem is not deployed in the IMS network, the flow of implementing network QoS control by proxy call session control function server P-CSCF control is shown in fig. 1:
step 1-2 shows that after a proxy call session control function server P-CSCF receives a session request of a user, a user name, a user IP (Internet protocol) and media information and the like are obtained from an SDP offer of the session request, and then the session request is forwarded to other network equipment;
step 3-4 shows that after the P-CSCF receives the session request response SDPage returned by other network devices, the P-CSCF obtains the flow ID, the IP of the UE and the flow bandwidth information from the SDP answer. Then P-CSCF sends AAR authorization information to SPDF;
and 5, steps 6 and 7 show that the service policy decision function server SPDF sends the authorization QOS information to the border gateway function server BGF (Border Gate contribution). The BGF carries out QoS control according to the authorized QOS information of the SPDF and local idle resources, and sends Go RPT response to the SPDF, and the SPDF sends AAA response information to the P-CSCF after receiving the response. In the process of QoS control, the BGF can only determine whether resources can be reserved for the user according to the resource idle condition, and cannot perform QoS control according to the authority or subscription information of the user.
In the prior art, when the NASS system is not deployed in the IMS network, the AF cannot acquire the location information and QoS Profile data of the user, so that the QoS control policy can be configured only based on a certain BGF, that is, only the same QoS control policy can be used for users who access the same BGF to the IMS network. This results in that QoS resources that can be used by normal users accessing the same BGF as home users or enterprise network users may be preempted by the home users or enterprise network users, and their normal conversation or other services are seriously affected.
In addition, at present, when the NASS system is not deployed in the IMS network, the AF cannot acquire the maximum number of contact addresses and the maximum number of concurrent sessions of the user, the control of the number of network-registered users and the number of concurrent sessions thereof can only be accurate to the granularity of the network element, and for enterprise network users or home users registered in the local network element at the same time, the number of contact addresses and the number of concurrent sessions registered therein cannot be controlled. If the number of contact addresses and the number of concurrent sessions registered by the enterprise network user or the home user are very large, normal registration and sessions of ordinary users are affected because registration and session behaviors of the home user cannot be controlled.
In summary, when the NASS subsystem is not deployed in the IMS network, the application layer AF of the communication system cannot obtain the relevant user information corresponding to the user identifier, and perform accurate service control at the relevant user level.
Disclosure of Invention
The embodiment of the invention provides an IMS user-level control method and system based on subscription data, when an NASS subsystem is not deployed in an IMS network, user account opening information can be acquired through user-level service control equipment, and a QoS control process, or registered user number control, or concurrent session number control process accurate to a user is carried out.
The IMS user level control method based on the subscription data provided by the embodiment of the invention comprises the following steps:
in an IMS network without a NASS subsystem, when a registration request or a session request of a user is received, user-level service control equipment acquires user information corresponding to a user identifier, and respectively performs user-level QoS control, registered user number control or concurrent session number control according to the acquired user information, wherein the user information comprises user position information, QoS Profile data, a maximum contact address number and a maximum concurrent session number, and the user information is stored in a user database UDB of the system when the user opens an account.
Further, the user information includes user position information and QoS Profile data, and the user-level service control device performs user-level QoS control; or,
if the user information comprises the maximum number of contact addresses, the user-level service control equipment controls the number of registered users; or,
and if the user information comprises the maximum number of concurrent sessions, the user-level service control equipment controls the number of concurrent sessions.
Still further, the user location information and the QoS Profile data are respectively the same as the user location information and the QoS Profile data provided by the NASS subsystem; or the user location information and the QoSProfile data respectively provide part or all of the information of the e2 interface and the Gq' interface of the IMS network.
Furthermore, the user-level service control module is an SIP Proxy server Proxy or an application server AS; the SIP Proxy server Proxy comprises a Proxy call session control function server P-CSCF, a service call session control function server S-CSCF and an inquiry call session control function server I-CSCF.
An IMS user-level control system based on subscription data according to an embodiment of the present invention includes:
the user database is used for storing user information corresponding to the user identification;
user-level service control equipment, which is used in an IMS network without a NASS subsystem, and when receiving a registration request or a session request of a user, acquires user information corresponding to a user identifier from the user database, and respectively performs QoS control at a user level, or control on the number of registered users, or control on the number of sessions according to the acquired user information; the user information includes user location information, QoS Profile data, maximum number of contact addresses, maximum number of concurrent sessions.
By adopting the embodiment of the invention, when the NASS subsystem is not deployed in the IMS network, the accurate service control to the user can be carried out by the control of the SIP Proxy server Proxy or the application server AS according to the acquired account opening information of the user. For example, users accessing to the IMS network from the same BGF use different QoS control policies, thereby ensuring reasonable allocation of network resources. Or, for a plurality of enterprise network users or home users registered in the IMS network at the same time, the number of registered users or the number of concurrent sessions of the communication network can be controlled, and it is ensured that normal registration and sessions of a plurality of users are not affected by interference.
Drawings
FIG. 1 is a prior art QoS control flow diagram when a NASS subsystem is not deployed in an IMS network;
fig. 2 is a flowchart of an IMS user-level control method based on subscription data according to an embodiment of the present invention;
fig. 3 is a flowchart of controlling obtaining of user information by a P-CSCF in a first embodiment of the method provided in the present invention;
FIG. 4 is a flowchart illustrating a method for implementing QoS control policy controlled by a P-CSCF in accordance with an embodiment of the present invention;
fig. 5 is a flowchart of controlling, by an S-CSCF, acquisition of user information and completion of a QoS control policy in a second embodiment of the method provided by the present invention;
fig. 6 is a flowchart of acquiring user information and completing a QoS control policy through an AS in a third embodiment of the method provided in the present invention;
fig. 7 is a flowchart of a process of acquiring user information and completing control of the number of registered users through an SIP Proxy server Proxy in a fourth embodiment of the method provided by the present invention;
fig. 8 is a flowchart of a processing procedure for acquiring user information and completing control of concurrent sessions through the SIP Proxy server Proxy in the fifth embodiment of the method provided by the present invention;
fig. 9 is a flowchart of a process of acquiring user information and completing control of concurrent sessions by an AS in a sixth embodiment of the method provided by the present invention;
fig. 10 is a schematic structural diagram of an IMS user-level control system based on subscription data according to the present invention.
Detailed Description
In order that the invention may be more readily understood, the invention will now be further described with reference to the accompanying drawings, in which, however, the embodiments are not to be construed as limiting the invention in any way.
As shown in fig. 2, an embodiment of the present invention provides an IMS user-level control method based on subscription data, including the steps of:
201. user information corresponding to the user identification is obtained through user-level service control equipment, and the user information is stored in a user database UDB of the system in advance when a user opens an account.
When a user opens an account in a user database UDB, user information corresponding to a user identifier is added to user opening data, namely subscription data such as user position information, QoS Profile data, the maximum number of contact addresses and the maximum number of concurrent sessions are included.
The user-level service control equipment performs user-level QoS control according to the acquired user position information and QoS Profile data; or
The user-level service control equipment controls the number of registered users according to the acquired maximum contact address number; or
And the user-level service control equipment controls the number of concurrent sessions according to the acquired maximum number of concurrent sessions.
The user-level service control equipment is an SIP Proxy server Proxy or an application server AS; the SIP Proxy server Proxy comprises a Proxy call session control function server P-CSCF, a service call session control function server S-CSCF and an inquiry call session control function server I-CSCF.
The user position information and the QoS Profile data are respectively the same as the user position information and the QoS Profile data provided by the NASS subsystem; or the user location information and the QoS Profile data are part or all of the content of information provided by the e2 interface and the Gq' interface of the IMS network, respectively, and can be flexibly configured according to the QoS control requirement in actual operation.
202. And the user-level service control equipment respectively performs QoS control of a user level, or control of the number of registered users, or control of the number of concurrent sessions according to the acquired user information.
Specifically, as a first implementation manner of the foregoing method, when a registration request or a session request of a user is received, the P-CSCF in the SIP Proxy server Proxy controls and acquires user identification information, such as impi (private user identities) identification information used for user authentication, corresponding to the user location information and QoS Profile data, so as to perform QoS control at a user level. Wherein, the processing flow of controlling and acquiring the relevant user location information and the QoS Profile data by the P-CSCF is shown in fig. 3:
301. a user sends a registration request to a proxy call session control function server P-CSCF;
302. the P-CSCF sends the user registration request to an inquiry call session control function server (I-CSCF);
303. the I-CSCF sends the user registration request to the S-CSCF to complete user registration;
304. the S-CSCF transmits SAR information to a user database UDB to request to acquire related user position information and QoS Profile data;
305. the UDB returns to the S-CSCF through SAA information containing relevant user position information and QoS Profile data;
306. the S-CSCF returns the response information carrying the relevant user position information and the QoS Profile data to the I-CSCF;
307. the I-CSCF returns the response information carrying the relevant user position information and the QoS Profile data to the P-CSCF;
308. and the P-CSCF returns the response information to the user.
Then the process of the P-CSCF performing QoS control at the user level according to the acquisition of the relevant user location information and QoS Profile data is as shown in figure 4,
401. when the P-CSCF receives a session request sent by a user, generating AAR information containing user position information and QoS Profile data;
402. the P-CSCF sends AAR information carrying user position information and QoS Profile data to a service policy decision function Server (SPDF);
403. the SPDF transmits the AAR information to an access network resource admission control function server A-RACF;
404. determining a QoS control strategy by the A-RACF and returning the QoS control strategy to the SPDF through AAA information;
405. the SPDF issues the QoS control strategy to a network device with a Qos control function, namely a border gateway function server BGF, and performs network QoS control through information interaction with the BGF;
406. and the BGF feeds back the response information of the control to the SPDF.
As a second implementation manner of the above method, when a registration request or a session request of a user is received, a step of obtaining user identification information, such as IMPI identification information of the user, the user location information and QoS Profile data corresponding to the user identification information from a user database UDB through S-CSCF control of a serving call session control function server, and performing QoS control at a user level is shown in fig. 5:
501. the user sends a registration request to the S-CSCF (serving Call Session control function) server;
502. the S-CSCF sends SAR information to a user database UDB to inquire relevant user position information and QoS Profile data;
503. the user database UDB returns SAA information carrying relevant user position information and QoS Profile data to the S-CSCF;
504. the S-CSCF sends response information 200 of user registration to the user;
505. when the S-CSCF receives and processes a session request of a user, judging whether a media type or coding and decoding information in the session request of the user is signed according to the obtained QoS Profile data;
506. and if the S-CSCF judges that the user is not signed, rejecting the session in response information 300 returned to the user, or modifying the media type or the coding and decoding information in the user session request.
It should be noted that the authentication procedure and the processing procedures of the P-CSCF and the I-CSCF are omitted in the above-mentioned step 501-504.
AS a third embodiment of the foregoing method, when receiving a registration request or a session request of a user, obtaining user identification information, such AS impu (public user identities) identification information used for SIP signaling routing, corresponding to the user location information and QoS Profile data, from a user database UDB through application server AS control, and performing QoS control at a user level is shown in fig. 6:
601. the S-CSCF receives and processes a session request of a user;
602. the S-CSCF sends SAR information to a user database UDB to inquire relevant user position information and QoS Profile data;
603. the user database UDB returns SAA information carrying relevant user position information and QoS Profile data to the S-CSCF;
604. when the S-CSCF receives a user session request, forwarding the session request to trigger an Application Server (AS);
605. the application server AS sends UDR information to access a user database UDB and inquires user subscription information comprising QoS Profile data;
606. the user database UDB returns UDA information carrying relevant user position information and QoS Profile data to the application server AS;
607. the application server AS judges whether the media type or the coding and decoding information in the user session request is signed according to the QoS Profile data, if not, the application server AS rejects the session in a response returned to the S-CSCF, or modifies the media type or the coding and decoding information in the user session request;
608. the S-CSCF forwards the response to the user.
When a registration request or a session request of a user is received, a processing flow for controlling the number of registered users is shown in fig. 7, where the processing flow controls user identification information, such as the maximum contact (contact) address number corresponding to the identification information of impu (public user identities) used for SIP signaling routing, obtained from the user database UDB through SIP Proxy server Proxy control:
701. the user sends a registration request to the SIP Proxy server Proxy;
702. when the SIP Proxy server Proxy receives a user registration request, querying user identification information, such as the maximum contact address number corresponding to an IMPU (IMPU application unit), by sending SAR information to a user database UDB;
703. the user database UDB returns SAA information carrying the maximum contact address number and the maximum concurrent session number to the SIP Proxy server Proxy, the SIP Proxy server Proxy judges whether the contact address number of the registered user corresponding to the IMPU recorded locally is more than or equal to the maximum contact address number of the user account opening, if so, the registration is rejected; otherwise, the registration is carried out;
704. and the SIP Proxy server Proxy informs the user of the judgment processing result.
When a registration request or a session request of a user is received, acquiring the maximum concurrent session number corresponding to user identification information from a user database UDB through the control of a SIP Proxy server Proxy, wherein the step of controlling the concurrent session number further comprises the following steps:
801. the user sends a session request to the SIP Proxy server Proxy;
802. when the SIP Proxy server Proxy receives a user session request, querying user identification information, such as the maximum concurrent session number corresponding to IMPU identification information, by sending SAR information to a user database UDB;
803, the user database UDB returns the SAA information carrying the maximum number of concurrent sessions to the SIP Proxy server Proxy, and determines whether the number of concurrent sessions corresponding to the user identification information recorded locally is greater than or equal to the maximum number of concurrent sessions opened by the user, if so, rejects the session request; otherwise, the conversation is carried out;
804. and the SIP Proxy server Proxy informs the user of the judgment processing result.
When a registration request or a session request of a user is received, the maximum concurrent session number corresponding to user identification information, for example, IMPU identification information of the user, is obtained from the user database UDB through the application server AS control, and a processing flow for performing concurrent session number control is shown in fig. 9:
901. the user forwards the session request to the application server AS through the SIP Proxy server Proxy;
902. when the application server AS receives a user session request, inquiring the maximum concurrent session number corresponding to the user identification information by sending UDR information to a user database UDB;
903. the user database UDB returns the UDA information carrying the maximum concurrent session number to the application server AS, the application server AS judges whether the locally recorded concurrent session number corresponding to the IMPU is more than or equal to the maximum concurrent session number of the user account opening, and if so, the session request is rejected; otherwise, the conversation is carried out;
904. and the application server AS informs the user of the judgment processing result.
It should be noted that, when the NASS subsystem is deployed in the IMS network, the method described in all the above embodiments of the present invention may also be used to obtain the user information corresponding to the user identification information, and perform QoS control accurate to the user, or control the number of registered users, or control the number of concurrent sessions.
An embodiment of the present invention further provides an IMS user-level control system based on subscription data, as shown in fig. 10, the system includes:
a user database 10 for storing user information corresponding to the user identification;
the user-level service control device 20 is configured to, when receiving a registration request or a session request of a user, obtain user information corresponding to a user identifier from the user database, and perform user-level QoS control, or control of the number of registered users, or control of the number of sessions according to the obtained user information.
The user-level service control module is an SIP Proxy server Proxy or an application server AS; the SIP Proxy server Proxy comprises a Proxy call session control function server P-CSCF, a service call session control function server S-CSCF and an inquiry call session control function server I-CSCF.
It should be noted that, according to the need of the user QoS control process, or the control of the number of registered users, or the control process of the number of concurrent sessions, in the actual operation, the system can flexibly configure other hardware units or servers, for example, a border gateway function server BGF and an access network resource admission control function server a-RACF can be configured in the user QoS control process.
By adopting the IMS user level control method and system based on the subscription data, when the NASS system is not deployed in the IMS network, the QoS control process accurate to the user can be carried out through the control of the P-CSCF or the S-CSCF or the application server AS in the SIP Proxy server Proxy according to the account opening information of the user, the number of the registered users or the number of concurrent sessions of a plurality of enterprise network users or home users simultaneously registered in the IMS network can be controlled, and the normal registration and sessions of the plurality of users can be ensured not to be influenced by interference.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (11)
1. An IMS user-level control method based on subscription data is characterized by comprising the following steps:
in an IMS network without a NASS subsystem, when a registration request or a session request of a user is received, user-level service control equipment acquires user information corresponding to a user identifier, and respectively performs user-level QoS control, registered user number control or concurrent session number control according to the acquired user information, wherein the user information comprises user position information, QoS Profile data, a maximum contact address number and a maximum concurrent session number, and the user information is stored in a user database UDB of the system when the user opens an account.
2. The method of claim 1, wherein:
the user-level service control equipment performs user-level QoS control according to the acquired user position information and QoS Profile data; or
The user-level service control equipment controls the number of registered users according to the acquired maximum contact address number; or
And the user-level service control equipment controls the number of concurrent sessions according to the acquired maximum number of concurrent sessions.
3. The method according to claim 1 or 2, characterized in that the user-level traffic control device is a SIP Proxy server Proxy, or an application server AS; the SIP Proxy server Proxy comprises a Proxy call session control function server P-CSCF, a service call session control function server S-CSCF and an inquiry call session control function server I-CSCF.
4. The method of claim 3, wherein the obtaining user information corresponding to a user identifier and performing user-level QoS control according to the obtained user information comprises:
the user registers on the service call session control function server S-CSCF through the proxy call session control function server P-CSCF;
when receiving a session request of a user, the service call session control function server S-CSCF acquires relevant user position information and QoS Profile data from a user database UDB, and returns the relevant user position information and QoS Profile data to the proxy call session control function server P-CSCF;
the P-CSCF issues the user position information and the QoS Profile data to an access network resource admission control function server A-RACF through a service strategy decision function server SPDF, and the A-RACF determines the QoS control strategy and returns the QoS control strategy to the SPDF;
and the SPDF issues the QoS control strategy to network equipment with a Qos control function, namely a boundary gateway function server BGF, and the network QoS control is carried out through the BGF.
5. The method of claim 3, wherein the obtaining user information corresponding to a user identifier and performing user-level QoS control according to the obtained user information comprises:
the service call session control function server S-CSCF receives and processes a session request of a user, acquires relevant user position information and QoS Profile data from a user database UDB, and triggers an application server AS by forwarding the user session request;
the application server AS accesses a user database UDB, inquires user subscription information comprising relevant user position information and QoS Profile data, judges whether the media type or the coding and decoding information in the user session request is signed according to the QoS Profile data, and rejects the session in a response returned to the S-CSCF or modifies the media type or the coding and decoding information in the user session request if the media type or the coding and decoding information in the user session request is not signed;
and the S-CSCF forwards the response to the user.
6. The method of claim 3, wherein the obtaining user information corresponding to a user identifier and performing user-level QoS control according to the obtained user information comprises:
the user registers on the service call session control function server S-CSCF, and acquires the relevant user position information and QoS Profile data from a user database UDB through the S-CSCF;
and the S-CSCF receives and processes a session request of a user, judges whether the media type or the coding and decoding information in the session request of the user is signed according to the acquired QoS Profile data, and rejects the session in a response returned to the user or modifies the media type or the coding and decoding information in the session request of the user if the media type or the coding and decoding information in the session request of the user is not signed.
7. The method according to claim 3, wherein the obtaining user information corresponding to a user identifier and controlling the number of registered users according to the obtained user information comprises:
when the SIP Proxy server Proxy receives a user registration request, acquiring the maximum contact address number corresponding to user identification information from a user database UDB;
the SIP Proxy server Proxy judges whether the number of the contact addresses of the registered users recorded locally is more than or equal to the maximum number of the contact addresses of the users for opening an account, if so, the registration is rejected; otherwise, the registration is carried out.
8. The method of claim 3, wherein the obtaining user information corresponding to a user identifier and performing concurrent session number control according to the obtained user information comprises:
when the SIP Proxy server Proxy receives a user registration request, acquiring the maximum concurrent session number corresponding to user identification information from a user database UDB;
after receiving the user session request, the SIP Proxy server Proxy judges whether the number of concurrent sessions corresponding to the user identification information and recorded locally is greater than or equal to the maximum number of concurrent sessions opened by the user, if so, the session request is rejected; otherwise, the session is carried out.
9. The method of claim 3, wherein the obtaining user information corresponding to a user identifier and performing concurrent session number control according to the obtained user information comprises:
when the application server AS receives a user session request transmitted from the SIP Proxy server Proxy, acquiring the maximum concurrent session number corresponding to user identification information from a user database UDB;
the application server AS judges whether the number of the concurrent sessions which are locally recorded and correspond to the user identification information is more than or equal to the maximum number of the concurrent sessions opened by the user, and if so, the application server AS rejects the session request; otherwise, the session is carried out.
10. An IMS subscriber-level control system based on subscription data, comprising:
the user database is used for storing user information corresponding to the user identification;
user-level service control equipment, which is used in an IMS network without a NASS subsystem, and when receiving a registration request or a session request of a user, acquires user information corresponding to a user identifier from a user database, and respectively performs user-level QoS control, or control of the number of registered users, or control of the number of concurrent sessions according to the acquired user information; the user information includes user location information, QoS Profile data, maximum number of contact addresses, maximum number of concurrent sessions.
11. The IMS subscriber-level control system according to claim 10, wherein the subscriber-level service control device is a SIP Proxy server Proxy or an application server AS; the SIP Proxy server Proxy comprises a Proxy call session control function server P-CSCF, a service call session control function server S-CSCF and an inquiry call session control function server I-CSCF.
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| CN 200910036410 CN101489266B (en) | 2009-01-04 | 2009-01-04 | IMS user stage controlling method and system based on signature data |
| PCT/CN2009/075323 WO2010075721A1 (en) | 2009-01-04 | 2009-12-04 | Method and system for ims user level controlling based on the subscription data |
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| CN 200910036410 CN101489266B (en) | 2009-01-04 | 2009-01-04 | IMS user stage controlling method and system based on signature data |
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| CN101489266B (en) * | 2009-01-04 | 2011-04-13 | 华为技术有限公司 | IMS user stage controlling method and system based on signature data |
| CN102244902A (en) * | 2010-05-11 | 2011-11-16 | 中兴通讯股份有限公司 | Admission control method, device and system |
| CN104253799B (en) * | 2013-06-28 | 2017-10-13 | 中国电信股份有限公司 | Method for controlling quality of service and system in IMS network |
| CN104348806A (en) * | 2013-08-01 | 2015-02-11 | 中兴通讯股份有限公司 | Method and apparatus for adaptively processing concurrent sessions in IMS network |
| EP3085046B1 (en) * | 2013-12-20 | 2020-02-05 | Telefonaktiebolaget LM Ericsson (publ) | Session initiation handling |
| CN110730444A (en) * | 2019-10-18 | 2020-01-24 | 中国联合网络通信集团有限公司 | Communication network access method and device based on terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617511A (en) * | 2003-11-12 | 2005-05-18 | 株式会社日立制作所 | Conversation Qo S controller |
| CN101163089A (en) * | 2006-10-11 | 2008-04-16 | 华为技术有限公司 | Method for CLF to obtain data from NACF and to enquire information from CLF |
| CN101212483A (en) * | 2006-12-31 | 2008-07-02 | 华为技术有限公司 | Method and system for controlling the number of user sessions |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1968138A (en) * | 2006-06-07 | 2007-05-23 | 华为技术有限公司 | Subscriber registration information management method and apparatus in IMS network |
| CN100579124C (en) * | 2006-03-29 | 2010-01-06 | 华为技术有限公司 | Method for transfering internet protocol multimedia subsystem signatory mark |
| CN101489266B (en) * | 2009-01-04 | 2011-04-13 | 华为技术有限公司 | IMS user stage controlling method and system based on signature data |
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- 2009-01-04 CN CN 200910036410 patent/CN101489266B/en not_active Expired - Fee Related
- 2009-12-04 WO PCT/CN2009/075323 patent/WO2010075721A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1617511A (en) * | 2003-11-12 | 2005-05-18 | 株式会社日立制作所 | Conversation Qo S controller |
| CN101163089A (en) * | 2006-10-11 | 2008-04-16 | 华为技术有限公司 | Method for CLF to obtain data from NACF and to enquire information from CLF |
| CN101212483A (en) * | 2006-12-31 | 2008-07-02 | 华为技术有限公司 | Method and system for controlling the number of user sessions |
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| WO2010075721A1 (en) | 2010-07-08 |
| CN101489266A (en) | 2009-07-22 |
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