CN101212323A - Method and system for providing service to group users in IMS network - Google Patents
Method and system for providing service to group users in IMS network 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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- H04L65/1016—IP multimedia subsystem [IMS]
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1053—IP private branch exchange [PBX] functionality entities or arrangements
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- H04L65/1066—Session management
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a method for providing service for group user by an IP multimedia subsystem (IMS) network, which comprise the steps as follows: preset configuration information of the group user is obtained; conversation routing of the group user is carried out according to the configuration information of the group user. The invention also simultaneously discloses a system for providing service for the group user by the IMS network. By adopting the method and the system, the IMS can be accessed to the group user and service functions such as conversation routing and service triggering can be provided for the group user, which enlarges the application of the IMS network.
Description
Technical Field
The present invention relates to third generation network technologies, and in particular, to a method and a system for providing services to group users by an IMS network.
Background
The IP Multimedia Subsystem (IMS) is a subsystem of a third generation (3G) network defined by the third generation mobile communication standardization partnership project (3GPP) standard, and is a target network proposed by the 3G network to provide unified multimedia services and applications for implementing packet voice and packet data.
The IMS uses a packet data domain as a bearer for its upper control signaling and media transmission, and uses a Session Initiation Protocol (SIP) as a call control signaling, and cooperates with protocols such as a real-time transport protocol (RTP), a real-time transport control protocol (RTCP), a Session Description Protocol (SDP), a real-time streaming protocol (RTSP), and a Domain Name Server (DNS), to collectively complete services such as terminal device registration, session routing, and service triggering in the IMS.
Fig. 1 is a schematic diagram of an existing IMS network architecture, and AS shown in fig. 1, an IMS network mainly includes an IMS core network, a Home Subscriber Server (HSS)/user configuration service function (UPSF), an Application Server (AS), and an Internet Protocol (IP) access network, that is, a terminal device.
The IMS core network mainly includes a functional entity, which is a Call Session Control (CSCF) unit, configured to process a signaling message for controlling a multimedia session of a user. The CSCFs can be further classified into three categories, namely, proxy CSCF (P-CSCF), interrogating CSCF (I-CSCF), and serving CSCF (S-CSCF), depending on their function: the P-CSCF is a signaling proxy entity of the terminal equipment accessing the IMS network, and all the signaling from or to the terminal equipment needs to pass through the P-CSCF; the I-CSCF is mainly used for determining the position of the S-CSCF by inquiring HSS/UPSF; the S-CSCF is responsible for session management in the IMS network, i.e. for completing call session control.
The HSS/UPSF is a user data configuration unit for storing service-related information such as subscription data of a user, and in the 3GPP structure, the user data configuration unit is called an HSS, and in the TISPAN architecture, the user data configuration unit is called an UPSF.
And the AS is used for providing application service control for the IMS user. In order to enable a user to access a required service, a Public Service Identity (PSI) is introduced into an IMS network, in the existing SIP signaling, the PSI is a Uniform Resource Identity (URI) or a number URI (Tel URI), the services identified by the PSI are executed by AS, each PSI is managed by one AS, and registration in the IMS network is not needed.
With the continuous development of IMS technology, the types of services provided by IMS networks are more and more abundant, and thus, more and more networks are required to be accessed into the IMS networks to enjoy the services provided by the IMS networks, such as group user networks of IP private branch exchange (PBX)/next generation enterprise network (NGCN).
For example, the IP PBX/NGCN is a telephone system for enterprise network application, and can access to networks such as a soft switch network, a Public Switched Telephone Network (PSTN), a Public Land Mobile Network (PLMN), and the like, so that these networks provide services for users in an enterprise, and as group users, users in the enterprise network have the same home domain, the same service configuration, and the like.
Currently, the TISPAN organisation has initiated research on the access of IP PBX/NGCN to IMS networks and defined relevant service requirements, such as: the IMS network needs to support the delivery of IP PBX/NGCN identities, to support routing to users inside the IP PBX/NGCN, and the IMS only keeps IMS subscription relations to users inside the IP PBX/NGCN, not to users inside the IP PBX/NGCN, etc.
However, the above-mentioned research is still only limited to the stage of formulation of the requirements, that is, no clear solution has been proposed on how the IMS network provides services for enterprise network users, i.e. group users, in the current research conducted by the TISPAN organization.
Disclosure of Invention
In view of the above, the present invention provides a method for providing a group user with a service by an IMS network, so that the group user can be provided with the service by the IMS network.
It is another object of the present invention to provide a system for providing a group user with a service by an IMS network, so that the group user can be provided with the service by the IMS network.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a method for an IMS network to provide services to group users, comprising the steps of:
acquiring preset group user configuration information;
and performing group user service triggering and/or session routing according to the enterprise network configuration information.
A IMS network provides the system of the service for the group user, include call session control unit and user database function unit at least;
the call session control unit is used for receiving a communication request sent to or from the group user equipment and carrying out group user service triggering and/or session routing according to the group user configuration information requested from the user database function unit;
and the user database function unit is used for storing group user configuration information and sending the group user configuration information to the call session control unit.
Therefore, by adopting the technical scheme of the invention, the group user equipment is accessed to the IMS network through the call session control unit and the user database function unit, so that when the call session control unit receives a session request from or to the group user equipment, the group user configuration information is obtained through the request user database function unit, and the corresponding group user session route is further triggered according to the group user configuration information, thereby realizing the service provided by the IMS network for the group user and expanding the service range of the IMS network.
Drawings
Fig. 1 is a schematic diagram of a conventional IMS network architecture;
FIG. 2 is a schematic diagram of a system architecture according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating UML description of public identities in an embodiment of the present invention;
FIG. 4 is a general flow chart of a method in an embodiment of the invention;
FIG. 5 is a flow chart of a first embodiment of the method of the present invention;
FIG. 6 is a diagram illustrating a UML description of a Service Profile file according to an embodiment of the present invention;
FIG. 7 is a flow chart of a second embodiment of the method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples.
Fig. 2 is a schematic diagram of a system composition structure in an embodiment of the present invention, and as shown in fig. 2, the system includes an IMS network 200 and a group user equipment 203, where the IMS network 200 at least includes a user database function unit 201 and a call session control unit 202.
A call session control unit 202, configured to receive a communication request sent to or from a group user device 203, request group user configuration information from a user database function unit 201, and perform group user service triggering and/or session routing according to the received group user configuration information.
The user database function unit 201 is configured to store group user configuration information, and send the group user configuration information to the call session control unit 202 after receiving a group user configuration information request from the call session control unit 202.
The group user equipment 203 is used for sending a communication request to the call session control unit 202 or receiving a communication request routed by the call session control unit 202 for processing; the group user device 203 may have a variety of different physical forms, such as an enterprise network device, an SIP Access Gateway (AG) device, an Access Gateway Control Function (AGCF) device, and the like, and has a SIP client (UA) or a SIP Proxy (Proxy) function, and further has a session control function, and can independently process sessions between users inside the enterprise network.
The call session control unit 202 may be connected to the group user equipment 203 via an E1 interface, using the SIP protocol; when the group user equipment 203 does not support the SIP protocol of the IMS network, the call session control unit 202 further includes a unit for converting between a non-SIP protocol to the SIP protocol or different SIP configurations (profiles), such as an interworking network function (IWF) entity or an Interworking Border Control Function (IBCF) entity, between the group user equipment 203 and the group user equipment 203.
The subscriber database function 201 may be connected to the call session control unit 202 and the group user equipment 203 via E2 and E4 interfaces, both of which may use Diameter (Diameter) protocol, the E4 interface not being necessary in the present invention. In order for the IMS network to be able to correctly identify the group user, the group user information needs to be described in the user database function 201 to identify the group user identity. Fig. 3 is a schematic illustration of a Unified Modeling Language (UML) description of the public Identity of the present invention, in which a public group subscriber Identity is described, which may be a wildcard public group subscriber Identity (wildcard PGI) as shown in fig. 3, a wildcard expression for identifying all subscribers in the group, such as any SIP URI or any wildcard form of TEL URI, etc., and the public group subscriber Identity may also be a subscriber group Identity, such as an enterprise network domain name form of pbx.china.com or an enterprise network switchboard form of huawei @ pbx.china.com, and further, a new category [ PGI ] and [ matching PGI ] (matd PGI) may be added to the common Identity attribute (Identity Type) to identify the subscriber group Identity and the subscriber Identity in the group, respectively.
In a specific implementation process, the Public group user identity identifier may also be identified by multiplexing an existing Public identity (Public identity), for example, as shown in fig. 3, a wildcard Public service identifier (wildcard PSI) is used to identify a wildcard expression of all users in the group, and new categories [ PGI ] and [ Matched PGI ] are also added to identify the user group identity and the user identity in the group, respectively.
The user database function unit 201 configures corresponding group user configuration information, such as a group user service configuration file and group user routing address information, for the public group user identity.
Fig. 4 is a general flowchart of the method in the embodiment of the present invention, as shown in fig. 4, including the following steps:
step 401: the call session control unit requests and acquires preset group user configuration information from the user database function unit 201.
The group user configuration information comprises a group user service configuration file and/or group user routing address information, and can further comprise a group user session identifier for identifying a session participant as a group user; the group user routing address information is sometimes a public group user identity, for example, when the public group user identity is registered in the IMS network; the group user session identifier may be an explicit independent identifier or an implicit identifier, for example, it is implicit in the group user service profile or the group user routing address information.
Step 402: the call session control unit 202 performs group user service triggering and/or session routing according to the group user configuration information.
Fig. 5 is a flowchart of a first embodiment of the method of the present invention, in this embodiment, the call session control unit 20 is an I-CSCF and an S-CSCF, the user database function unit 201 is an HSS, the group user equipment 203 is an enterprise network equipment IP PBX, the group user is an enterprise network user, and is a called user in the session process, as shown in fig. 5, the method includes the following steps:
step 501: the session request (invite) is sent to the target network I-CSCF.
In this embodiment, it is assumed that the identity of the called User carried in the session request is Pbx-User @ pb.
Step 502: the I-CSCF sends a Location Information Request (LIR) message to the HSS.
The LIR message carries the identity of the called User, Pbx-User @ Pbx.
Step 503: after receiving LIR message, HSS judges whether the called user matches the group user identity, if yes, HSS allocates S-CSCF for the session request; if not, the corresponding treatment is carried out according to the prior art.
The method for judging whether the user identity is matched with the group user identity comprises the following steps: the HSS judges whether the received user identity is matched with a preset public group user identity, if so, the HSS is consistent with the parameter description of all user wildcard expressions or user group identities in the identification group.
The allocated S-CSCF may be set by the HSS in a management manner, may be set in the HSS by the IP-PBX via the E4 interface, or may be obtained when the HSS registers with the IMS in the enterprise network or may be currently selected temporarily by the HSS.
Step 504: the HSS sends a Location Information Answer (LIA) message back to the I-CSCF.
The LIA message carries an S-CSCF allocated by the HSS to the session request, and further, the message may further include part of group user configuration information, such as a group user session identifier.
Step 505: the I-CSCF sends a session request to the allocated S-CSCF.
The session request carries the called enterprise network User identity identifier Pbx-User @ pbx.china.com, and in addition, the session request can further carry a group User session identifier, namely, an SIP message is expanded to carry the group User session identifier for subsequent call processing.
Step 506: and the S-CSCF sends the SAR message to the HSS to request to acquire the group user configuration information.
The SAR message carries the identity Pbx-User @ Pbx.
Step 507: HSS judges whether the called user identity matches the group user identity, if the judgment result shows that the called user identity matches the group user identity, step 508 is executed, otherwise, the corresponding processing is carried out according to the prior art.
The judgment process is the same as the judgment process described in step 503.
Step 508: the HSS sends a Server Allocation Answer (SAA) message to the S-CSCF, and the SAA message carries the configuration information of the group user.
The group user configuration information includes a group user Service configuration (Service Profile) file and/or group user routing address information, and if actual conditions require, the group user configuration information may further include a group user session identifier for identifying a session participant as a group user.
For transmitting the above Group user configuration information, an existing E2 interface Diameter protocol attribute pair (AVP) may be extended, for example, a Group user session identifier may be transmitted by adding a Group indication (indicator) AVP, and Group user routing address information may be transmitted by adding a Group routing (route) AVP.
In addition to the above-described manner of transferring group User configuration information by extending the existing Diameter protocol AVP, the group User configuration information may also be transferred by multiplexing the [ User-data ] AVP of the existing Diameter protocol. Fig. 6 is a schematic diagram illustrating UML description of a Service Profile file, and AS shown in fig. 6, a Public group user identity may be carried in a Public identity of the Service Profile file, and a routing address of a group user device 203 is carried in an AS address parameter of an initial filter rule (iFC) of the Service Profile file, that is, "server name" (ServerName) in the iFC is configured AS a routing address of an enterprise network device. When the enterprise network signs a plurality of services, the priority of the iFC carrying the routing address of the enterprise network device is set to be the lowest to ensure that the S-CSCF end can preferentially process the enterprise network signed Service after receiving the group user configuration information, for example, when the Service Profile file includes two ifcs, the priority of the iFC representing the enterprise network signed Service (such as a color ring Service) is set to 0 representing a high priority, and the priority of the iFC carrying the routing address of the enterprise network device is set to 1 representing a low priority.
Step 509: and after receiving the SAA message, the S-CSCF carries out service triggering according to iFC carried by the serviceProfile file in the (User-data) AVP, thereby realizing the signing service of the enterprise network User.
In this embodiment, the S-CSCF triggers a session to server @ homedomain.com according to iFC with priority 0, performs service subscription, then obtains a routing address @ PBX homedomain.com of the enterprise network device according to group user routing address information carried in iFC or PBX route AVP carrying the routing address of the enterprise network device, and further routes the session to the enterprise network device IP-PBX.
Step 510: the S-CSCF sends a session request to the IP PBX.
It should be noted that the process of the S-CSCF querying the HSS To obtain the group user routing address information may also be completed by the I-CSCF in steps 502-504, for example, the I-CSCF places the obtained group user routing address information in a Request-URI of the session Request, places the original identity of the called user in another location of the session Request, such as a To header field, and sends the session Request To the S-CSCF, which then uses the group user routing address information as the called user To perform corresponding processing; or, the S-CSCF may also perform corresponding processing according To an application server triggered by the iFC in step 509, where the application server places the group user routing address information queried by the HSS or configured by itself in the Request-URI of the session Request, places the original called user identity in another location of the session Request, such as the To header field, and returns the session Request To the S-CSCF, which then uses the group user routing address information as the called party.
In addition, the S-CSCF may store the group user configuration information and the corresponding group user information (downloaded and stored from the HSS), the S-CSCF may perform the storage in the call process, or may perform the storage in the registration process of the group user equipment 203 to the IMS, and the step of the S-CSCF performing the storage of the information in the registration process of the enterprise network to the IMS is similar to the step of performing the storage in the call process, and is not described again. Thus, in step 506, when receiving the session addressed to the group user, the S-CSCF can first determine whether the called user is a group user, and if so, directly perform subsequent processing according to the stored group user configuration information, thereby simplifying the information interaction process with the HSS, otherwise, perform the process of sending the SRA message to the HSS. After the S-CSCF obtains the group user configuration information from the HSS, a data updating mechanism can be established between the S-CSCF and the HSS, and when the group user configuration information stored in the HSS is updated, the data updating mechanism can be synchronously updated to the S-CSCF.
The method for judging the called user as the group user by the S-CSCF comprises the following steps: the S-CSCF judges the description of the called user identity identifier group user information, namely the called user identity identifier is matched with the public group user identity identifier or the S-CSCF judges that the received session request carries the group user session identifier and the like. The condition for the S-CSCF to determine the description of the called party id group user information may be: according to the group user session identifier in the received session request, or according to the resolution of the identity identifier of the called user, or unconditionally.
In addition, similar to step 505, the S-CSCF may also carry the enterprise network session identifier in the sent session request according to the obtained group user configuration information or the description of the called user identity identifier group user information, so as to provide for subsequent call processing.
Fig. 7 is a flowchart of a second embodiment of the method of the present invention, where the embodiment shown in fig. 5 is a method flowchart when an enterprise network user is a called party, and the embodiment is a method flowchart when an enterprise network user is a calling party, as shown in fig. 7, the method includes the following steps:
step 701: the enterprise network user sends a session request to the S-CSCF.
In this embodiment, it is assumed that the identifier of the enterprise network User is PBX-User @ PBX1.china.com, which is an internal User identifier of the enterprise network User.
The method further comprises the following steps: the IP-PBX obtains the address of the S-CSCF through configuration, or obtains the address of the S-CSCF through query to the HSS, or the IP-PBX firstly sends a session request to the I-CSCF, and then the I-CSCF queries the HSS to obtain the address of the S-CSCF.
Further, the session request sent by the enterprise network user may also carry a group user session identifier, or similar to the first embodiment, the group user session identifier is inserted into the session request by the I-CSCF or the S-CSCF for subsequent call processing.
Step 702: and the S-CSCF sends the SAR message to the HSS to request to acquire the group user configuration information.
The SAR message carries an identity Pbx-User @ pbx1.china.com of a calling User.
Step 703-705: similar to steps 507-509 in the first embodiment, wherein, in step 703, the HSS determines the user identity and sends the group user configuration information; in step 704, the HSS sends a Server Allocation Answer (SAA) message to the S-CSCF, where the SAA message carries group user configuration information; in step 705, the S-CSCF performs service triggering processing according to the group user service configuration file in the group user configuration information.
Step 706: and after the S-CSCF completes the triggering of the calling service, the subsequent processing is carried out according to the identity of the called user.
Similarly to the first embodiment, the S-CSCF may store the group user configuration information and the corresponding group user information, thereby simplifying the information interaction process with the HSS and is not described again.
The above embodiments describe the case where the group user device 203 is an IP PBX, and they are also applicable to group user devices of other forms, for example, the group user is a Centrex user, the Centrex user generally has both an intra-group user id and an extra-group user id (i.e. a public user id registered in the IMS network), the Centrex user can use the public user id to communicate with users outside the enterprise network, and use the intra-group user id to communicate with users inside the enterprise network, so that, in the same enterprise network, the Centrex user can use the intra-group user id to make a call with the IP PBX user, and the flow is briefly described as follows (not shown):
step 801: an IP PBX User A initiates a call to a Centrex User B, a called number is User identity identification User-B @ pbx1.china. com in a group of the Centrex User B, and a session request initiated by the IP PBX User is processed similarly to the embodiment of the figure 7;
step 802: similar to the embodiment of fig. 5, the I-CSCF receives the session request, obtains the allocated S-CSCF, and the S-CSCF obtains group user configuration information corresponding to the public group user identity that matches the user identity in the group of the called Centrex user;
step 803: the S-CSCF executes a group User service configuration file in the group User configuration information, such AS iFC, triggers the session Request to a Centrex AS described in the iFC, the Centrex AS processes Centrex service, and changes a called number, namely Request-URI, in the session Request into a public User identity of a Centrex User, such AS User-B @ china mobile. com, and sends the session Request to the S-CSCF;
step 804: the S-CSCF receives the session Request, and since the Request-URI has changed, it does not perform the subsequent iFC any more, but performs session routing according to the new Request-URI, i.e. according to the public user identity of the Centrex user.
The procedure for calling each other among Centrex users using the user id in the group is briefly described as follows (not shown):
step 901: a Centrex User A initiates a call to a Centrex User B, a called number is an intra-group User identity identifier User-B @ pbx1.china.com of the Centrex User B, and a calling number can be the intra-group User identity identifier User-A @ pbx1.china.com of the Centrex User A or a public User identity identifier User-A @ china.com of the Centrex User A;
step 902: the P-CSCF receives a session request initiated by a Centrex User A, and if a calling number is a public User identity (User-A @ china mobile. com) of the Centrex User A, the P-CSCF routes the session request to an S-CSCF registered in an IMS network by the public User identity; if the calling number is User-A @ pbx1.china. com in the group of the Centrex User A, the P-CSCF executes the processing similar to the S-CSCF to obtain the group User configuration information corresponding to the public group User identity matched with the User identity in the group, and carries out the routing of the session request according to the group User routing address information in the group User configuration information, namely the S-CSCF address, similar to the processing of the S-CSCF, and the P-CSCF can store the public group User identity and the group User configuration information corresponding to the public group User identity in the registration process of the Centrex User;
step 903: the S-CSCF receives a session request initiated by a Centrex User A, if a calling number is a public User identity (User-A @ china mobile. com) of the Centrex User A, the S-CSCF executes a service configuration file obtained by the public User identity in a registration process, and triggers the session request to a Centrex AS; if the calling number is the User identity User-A @ pbx1.china. com in the group of the Centrex User A, the S-CSCF obtains the group User configuration information corresponding to the public group User identity matched with the User identity in the group, and triggers the session request to the Centrex AS according to the group User service configuration file in the group User configuration information;
step 904: the Centrex AS processes Centrex service, further, the Centrex AS can judge whether the called user and the calling user are users in the same enterprise network, if yes, the calling number of the session request is made to be a user identity in a group, and if not, the calling number of the session request is made to be a public user identity;
step 905: the Centrex AS sends the session request to the S-CSCF, and the S-CSCF routes the session request to the I-CSCF;
the subsequent flow is similar to the above steps 802 to 804, and is not described herein again.
Therefore, by adopting the technical scheme of the invention, the IMS is accessed to the group user equipment 203, the functions of session routing, service triggering and other services are further provided for the group user, and the application range of the IMS network is expanded.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A method of providing a service to a group user by an IP multimedia subsystem, IMS, network, the method comprising the steps of:
acquiring preset group user configuration information;
and performing group user service triggering and/or session routing according to the group user configuration information.
2. The method of claim 1, wherein the group user configuration information comprises: the group user routing address information is transmitted to the group user,
the routing of the group user session according to the group user configuration information comprises: routing the session to the group user routing address.
3. The method of claim 1, wherein the group user configuration information comprises: a group user service profile is generated by the group user service profile,
the routing of the group user session according to the group user configuration information comprises: routing the session to a group user routing address described in the group user service configuration file;
the triggering of the group user service according to the group user configuration information comprises the following steps: and triggering the session to the address of the application server described in the group user service configuration file.
4. The method according to claim 3, wherein when more than one initial filter rule iFC is included in the group user traffic profile, the priority of the iFC describing the group user routing address is set to be lowest.
5. The method according to claim 1, wherein the method for acquiring the preset group user configuration information is:
in the session process, requesting a user database function unit in the IMS network to acquire the group user configuration information; or,
and acquiring the group user configuration information which is saved before the session and is from a user database function unit in the IMS network in the session process.
6. The method of claim 5, wherein the obtaining the group user profile saved before the session is:
acquiring the group user configuration information stored in the registration process; or,
and acquiring the group user configuration information saved in the session process before the session.
7. The method according to claim 1, wherein the method for acquiring the preset group user configuration information is:
and acquiring group user configuration information corresponding to the public group user identity identification matched with the calling identification or the called identification according to the calling identification or the called identification of the session.
8. A IMS network provides the system of the service for the group user, include call session control unit and user database function unit at least, characterized by that;
the call session control unit is used for receiving a communication request sent to or from the group user equipment and carrying out group user service triggering and/or session routing according to the group user configuration information requested from the user database function unit;
and the user database function unit is used for storing group user configuration information and sending the group user configuration information to the call session control unit.
9. The system of claim 8, wherein the subscriber database function unit is further configured to determine that the subscriber identity in the request from the call session control unit matches a public group subscriber identity before sending group subscriber profile information to the call session control unit.
10. The system of claim 8, wherein the call session control unit is further configured to, in processing the communication request, request group subscriber configuration information from the subscriber database function; or,
when processing the communication request, obtaining the group user configuration information which is requested and stored from the user database function unit before the communication request.
11. The system according to claim 10, wherein the call session control unit obtains the group user profile stored therein when processing the communication request as:
the call session control unit judges the public group user identity matched with the calling identity or the called identity of the processed communication request, and acquires the group user configuration information corresponding to the public group user identity stored in the public group user identity.
12. The system according to claim 8, wherein the group user configuration information maintained by the user database function unit comprises at least group user routing address information and/or group user service profiles, and wherein the group user routing address information comprises at least a serving call session control unit, S-CSCF, address and/or a routing address of a group user device.
Priority Applications (2)
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| CN200710129317.5A CN101212323B (en) | 2006-12-25 | 2007-07-02 | Method and system for providing service to group users in IMS network |
| PCT/CN2007/071240 WO2008092355A1 (en) | 2006-12-25 | 2007-12-14 | Method, system and device for ip multimedia subsystem to provide service to a group of users |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN200610168295 | 2006-12-25 | ||
| CN200610168295.9 | 2006-12-25 | ||
| CN200710129317.5A CN101212323B (en) | 2006-12-25 | 2007-07-02 | Method and system for providing service to group users in IMS network |
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| CN101212323A true CN101212323A (en) | 2008-07-02 |
| CN101212323B CN101212323B (en) | 2010-08-25 |
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| CN200710129317.5A Expired - Fee Related CN101212323B (en) | 2006-12-25 | 2007-07-02 | Method and system for providing service to group users in IMS network |
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| CN (1) | CN101212323B (en) |
| WO (1) | WO2008092355A1 (en) |
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| CN101998287A (en) * | 2009-08-24 | 2011-03-30 | 中国移动通信集团公司 | Link control method and system for group users |
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| CN103067906A (en) * | 2012-12-07 | 2013-04-24 | 大唐移动通信设备有限公司 | Method for serving-call session control function (S-CSCF) on storing user contract signing information in IP multimedia subsystem (IMS) framework |
| CN105306758A (en) * | 2014-07-29 | 2016-02-03 | 中国电信股份有限公司 | Method for transmitting enterprise network identifier when call is established, IBCF and IMS |
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| CN105450621A (en) * | 2014-09-30 | 2016-03-30 | 中兴通讯股份有限公司 | Terminating processing method, device and system |
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| US9232521B2 (en) | 2012-06-11 | 2016-01-05 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for implementing private branch exchange access to an IP multimedia subsystem |
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| US20050015499A1 (en) * | 2003-05-15 | 2005-01-20 | Georg Mayer | Method and apparatus for SIP user agent discovery of configuration server |
| US20050190772A1 (en) * | 2004-02-26 | 2005-09-01 | Shang-Chih Tsai | Method of triggering application service using filter criteria and IP multimedia subsystem using the same |
| CN100372342C (en) * | 2004-11-08 | 2008-02-27 | 华为技术有限公司 | Method for providing service to circuit field user via group field |
| CN1327680C (en) * | 2005-03-25 | 2007-07-18 | 华为技术有限公司 | Method of establishing circuit exchange network to IMS network calling route |
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2007
- 2007-07-02 CN CN200710129317.5A patent/CN101212323B/en not_active Expired - Fee Related
- 2007-12-14 WO PCT/CN2007/071240 patent/WO2008092355A1/en active Application Filing
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| CN102577281A (en) * | 2011-12-30 | 2012-07-11 | 华为技术有限公司 | Method and device for calling route of IP PBX |
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| CN103067906B (en) * | 2012-12-07 | 2015-08-12 | 大唐移动通信设备有限公司 | In IMS architecture, S-CSCF is to the store method of user signing contract information |
| CN102984405A (en) * | 2012-12-21 | 2013-03-20 | 华为技术有限公司 | Method and system for realizing call route |
| CN105306758A (en) * | 2014-07-29 | 2016-02-03 | 中国电信股份有限公司 | Method for transmitting enterprise network identifier when call is established, IBCF and IMS |
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| Publication number | Publication date |
|---|---|
| WO2008092355A1 (en) | 2008-08-07 |
| CN101212323B (en) | 2010-08-25 |
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