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WO2008019602A1 - Procédé et système de facturation d'un sous-système multimédia ip à des utilisateurs - Google Patents

Procédé et système de facturation d'un sous-système multimédia ip à des utilisateurs Download PDF

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Publication number
WO2008019602A1
WO2008019602A1 PCT/CN2007/070198 CN2007070198W WO2008019602A1 WO 2008019602 A1 WO2008019602 A1 WO 2008019602A1 CN 2007070198 W CN2007070198 W CN 2007070198W WO 2008019602 A1 WO2008019602 A1 WO 2008019602A1
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WIPO (PCT)
Prior art keywords
charging information
charging
protocol
transport layer
user
Prior art date
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PCT/CN2007/070198
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English (en)
Chinese (zh)
Inventor
Bo Zheng
Youzhu Shi
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2008019602A1 publication Critical patent/WO2008019602A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications

Definitions

  • the present invention relates to the field of network communication technologies, and in particular, to a method and system for charging a user by an IP multimedia subsystem.
  • the IMS uses the packet domain as the bearer channel for the upper layer control signaling and the media transmission, and introduces the SIP protocol as the service control protocol.
  • SIP Session Control Function
  • the main functional entities in the IMS include: Call Session Control Function (CSCF), which controls functions such as session participant registration and session control, and application server AS (Application Server) that provides various service logic control functions.
  • CSCF Call Session Control Function
  • AS Application Server
  • the home subscriber server HSS Home Subscriber Server
  • the MGCF Media Gateway Control Function
  • the session participants access through the current local proxy node P-CSCF (Proxy CSCF)
  • P-CSCF Proxy CSCF
  • the IMS, session and service trigger control and the service control interaction with the AS are completed by the home domain service node call control unit of its place of registration.
  • Billing is one of the capabilities that an IMS network must have.
  • 3GPP defines two IMS charging capabilities, namely Online billing capability and offline billing capability.
  • Online charging is the charging process in which the IMS entity interacts with the online charging system, that is, the online charging system interacts with the user account in real time, and controls or monitors the fees associated with the service usage; offline charging is mainly collected after the session.
  • Billing information, and the billing system does not affect the billing process of the services used in real time.
  • the IMS architecture based on GPRS (General Packet Radio Service) access is shown in Figure 1.
  • the GPRS Charging Identifier generated on the GGSN (Gateway GPRS Support Node) is GPRS Charging Identifier.
  • the GGSN address information is passed to the PDF (Policy Decision Function) through the COPS (Common Open Policy Service) protocol and then passed to the P-CSCF and the S-CSCF for charging association.
  • the interface protocol between the GGSN and the PDF that is, the PIB (Policy Information Base) of the COPS protocol
  • the interface protocol of the PDF and the P-CSCF that is, the AVP (Attribute Value Pair) of the Diameter protocol.
  • the interface protocol of the medium, P-CSCF and S-CSCF that is, the SIP header field of the SIP protocol, defines a relevant extension, carrying the above GCID and GGSN address.
  • an IMS-based network convergence scheme which aims to make IMS a universal platform based on SIP sessions, and supports multiple mobile and fixed access modes. Since the terminal and access network are various in the framework of NGN, and the core network based on SIP session has only one IMS network, it provides services for both fixed and mobile terminals, which requires IMS network from the network framework, The network's functional entities, QoS (Quality of Service), and security all support fixed access methods.
  • QoS Quality of Service
  • the transmission in IMS becomes a new problem. For example, when the network operator providing fixed access and the network operator providing IMS service are not the same operator, the two operators will separately charge the user session to generate their own billing. information.
  • the application layer media resources include conference resources, playback resources, content resources (such as movie and TV streaming media content) and other media resources provided by the system.
  • the IMS core network charging information for the IMS service is associated and transmitted in the IMS to complete the charging of the user. There is no effective solution in the prior art.
  • the embodiment of the invention provides a method and a system for implementing an IP multimedia subsystem to charge a user, so that the IMS network can transmit the charging information generated by the fixed access transport layer or the application layer media resource device to related entities in the network. In the middle, the charging information generated by each layer is associated, and the charging for the user is realized.
  • a method for charging a user by an IP multimedia subsystem including:
  • the related charging information of the access user is generated on the functional entity of the fixed access transport layer or the application layer media resource device;
  • a system for charging a user by an IP multimedia subsystem comprising: a transport layer resource processing module, a core module, and a billing processing module, where
  • a transport layer resource processing module configured to generate session-related transport layer charging information of a fixed access user
  • a core module configured to be connected to the transport layer resource processing module, configured to receive transport layer charging information related to a session of a fixed access user generated by the transport layer resource processing module, and use the transport layer charging information and the core module
  • the core network charging information generated by the user is transmitted to the charging processing module; the charging processing module is connected to the core module, and configured to perform charging according to the transport layer charging information and the core network charging information. deal with.
  • a system for charging a user by an IP multimedia subsystem comprising: an application layer media resource processing module, a core module, and a billing processing module, where
  • An application layer media resource processing module is configured to generate application layer resource accounting information related to the session of the user, and transmit the application layer resource charging information to the core module;
  • a core module configured to be connected to the application layer media resource processing module, configured to receive application layer resource charging information related to a session generated by an application layer media resource processing module, and use the application layer resource charging information and a core
  • the module transmits the core network charging information generated by the user to the charging process.
  • the billing processing module is connected to the core module, and configured to perform charging processing according to the application layer resource charging information and the core network charging information.
  • the embodiments of the present invention extend the protocols such as the H.248 protocol, the Diameter protocol, and the SIP, so that the Re interfaces (RCEF and A-RACF) of the foregoing protocols are applied in the IMS network.
  • the interface between the CSCF and the S-CSCF transmits the charging related information generated by the fixed access transport layer or the application layer media resource device, thereby realizing the association of the charging information of each layer, thereby improving the fusion capability of the IMS network.
  • FIG. 1 is a schematic diagram of an existing IMS architecture based on GPRS access
  • FIG. 2 is a schematic diagram of an IMS network architecture defined by TISPAN;
  • FIG. 3 is a flowchart of an implementation of a method according to an embodiment of the present invention.
  • FIG. 4 is a message flow chart of the delivery of billing information during the process of establishing a session by a fixed access user as a calling party by using the method of the present invention
  • Figure 5 is a schematic block diagram of a first embodiment of the system of the present invention.
  • Figure 6 is a schematic block diagram of a second embodiment of the system of the present invention.
  • Figure 7 is a schematic block diagram of a third embodiment of the system of the present invention.
  • the Re interface (the interface between the RCEF and the A-RACF) and the la interface (between the BGF and the SPDF) in the IMS network are used.
  • Interface Rq interface (interface between A-RACF and SPDF), Gq' interface (interface between SPDF and AF) and Mw interface (interface between P-CSCF and S-CSCF) are transmitted by fixed Access to billing related information generated by the transport layer or application layer media resource device.
  • the embodiments of the present invention are not limited to the IMS defined by the current Telecommunications and Internet Converged Services and Protocols for Advanced Networking (TISPAN), and are applicable to other networks developed based on such a network architecture, as long as they satisfy the network architecture. But for The creation point of the embodiment of the present invention is more convenient and clear.
  • the following is an example of an IMS network defined by TISPAN.
  • FIG. 2 is a schematic diagram of the IMS network architecture defined by TISPAN.
  • the NAS Network Attachment Sub-system
  • the RACS Resource and Admission Control Subsystem
  • the RACS is mainly responsible for policy control, resource reservation, and admission. Control and NAT and firewall traversal. From the perspective of logical architecture, the RACS is between the core control layer and the access layer, and has both a part of the control layer function and a part of the access level. The entities are described as follows:
  • A-MGF Access Media Gateway Function
  • IMS Internet Protocol Multimedia Subsystem
  • AGCF Access Gateway Control Function
  • access gateway control function entity access gateway control
  • access gateway control providing simulated user access IMS control
  • RCEF Resource Control Enforcement Function
  • resource control execution function perform allocation bandwidth, quality of service control
  • S-CSCF (Serving-CSCF), the service call session control function entity, authenticates the user, provides session routing, completes session control, and the like;
  • P-CSCF Proxy-CSCF
  • proxy call session control function accessing the SIP user's session signaling
  • SPDF Service Policy Decision Function
  • BGF Bit Gateway Function
  • C-BGF is a core network border gateway function
  • I-BGF is an interworking border gateway function
  • A-RACF Access-Resource and Admission Control Function
  • an access resource and admission management function an entity located in the access network to implement resource and admission management functions
  • MRFP/MRFC Media Resource Function Process/ Media Resource Function
  • the media resource execution function entity/media resource control function entity provides media resource execution/control function, and uses H.248 interface between MRFP and MRFC;
  • BGCF Band Gateway Control Function
  • the MGCF Media Gateway Control Function
  • T-MGF Relay Media Gateway Function
  • IBCF Interconnection Border Control Function
  • SGF Signaling Gateway Function
  • the embodiment of the present invention provides a Re interface (an interface between RCEF and A-RACF), a la interface (an interface between C-BGF/I-BGF and SPDF), and an Rq interface (A-RACF and SPDF interface), Gq 'interface (interface between SPDF and Application Function), P1 interface (interface between A-MGF and AGCF), Mw interface (interface between P-CSCF and S-CSCF), P2 interface (AGCF and S-
  • the interface protocol used between the CSCF interface and the Mp interface (the interface between the MRFC and the MRFP) is extended, and the charging information generated from the access layer is transmitted between these interfaces.
  • FIG. 3 shows an implementation flow of an embodiment of the method according to the present invention, which includes the following steps: Step 301: Generate transport layer charging information of a fixed access user on a functional entity of a transport layer in a session establishment process. .
  • the billing information mainly includes: billing identifier TCID information.
  • Step 302 Transfer the transport layer charging information to the call session control function entity CSCF of the core network serving the user.
  • the access of the fixed access user can be in various ways, for example, the POTS (Plain Old Telephone Service) phone is connected from the A-MGF.
  • AGCF realizes the control of A-MGF through H.248, completes the operations of receiving and playing, and the new SIP terminal is accessed through NASS and RACS.
  • Different access methods produce different functional entities for accessing the user's transport layer charging information.
  • the transport layer charging information generated on these different functional entities is finally transmitted to the S-CSCF to provide the transport layer charging function entity and the event charging function entity in the user home network with the transport layer charging corresponding to the user. information.
  • the functional entities of these transport layers have different paths to the S-CSCF, so the paths they pass are different.
  • the protocols supported by the interfaces between entities are also different. Some of the interfaces defined in TISPAN and the types of protocols supported by these interfaces are listed in Table 1 below.
  • the embodiment of the present invention extends the H.248 protocol, the Diameter protocol (a new generation of AAA protocol), and the SIP protocol message used between these interfaces, and generates a fixed function layer of the transport layer through the extended protocol.
  • the transport layer charging information of the access user is transmitted to the S-CSCF.
  • the media gateway entity reports the transport layer charging information to the media gateway control entity by using the extended H.248 protocol notification command or response command; and/or
  • SPDF uses the extended Diameter protocol to transmit transport layer charging information to the access functional entity when sending commands or responses to application functional entities (such as P-CSCF, or IBCF); and/or
  • the application function entity or AGCF transmits the transport layer charging information to the S-CSCF when sending a command or response to the S-CSCF using the extended SIP protocol.
  • Step 303 Perform charging on the fixed access user according to the transport layer charging information.
  • the charging set function in the user's home network (CCF, Charging Collection)
  • the entity and event charging function (ECF) entity collects the transport layer charging information corresponding to the user from the S-CSCF, and then generates the user's billing bill based on the billing information.
  • ECF entity and event charging function
  • the H.248 protocol, the Diameter protocol, and the SIP protocol message are extended to enable the transmission layer of the fixed access user generated on the transport layer functional entity.
  • the fee information is passed through a series of passes to the S-CSCF that serves the user. Further descriptions of these existing protocols and their extensions in the embodiments of the present invention are provided below.
  • the H.248 protocol is the product of the concept of gateway separation.
  • the core of gateway separation is separation of services and control, separation of control and bearer. In this way, services, control and bearer can be developed independently. Operators can make full use of new technologies while providing a variety of services to enhance network value through innovative and innovative services.
  • the H.248 protocol is a protocol developed on the basis of MGCP (Media Gateway Control Protocol) and other media gateway control protocol features. It provides control media establishment, modification and release mechanisms. It can also carry some associated call signaling to support calls of traditional network terminals.
  • MGCP Media Gateway Control Protocol
  • a message of the H.248 protocol contains one or more events (Event), each event containing one or more contexts, each context containing one or more commands, each command containing one or more descriptors.
  • H.248 contains eight commands: Add, Subtract, Move, Modify, Audit Value, Audit Capabilities, Notify, Service Change.
  • Various commands implement various services through the parameters they carry.
  • the embodiment of the present invention may extend an event in the H.248 protocol, for example, named "Transfer Charging Information", for the media gateway to control the transmission layer charging information to the media gateway.
  • the media gateway needs to report the charging information of a certain session media stream, such as the TCID, to the media gateway control
  • the media gateway uses the Notify command to report the event to the media gateway control, or may use the Reply command to The media gateway control reports the event.
  • the parameters attached to the event report include the charging identifier TCID generated by the transport layer, and may further include further parameters to give the address information of the transport layer device, such as C-BGF (Core Network - Border Gateway Function, Core Network Border Gateway) Function) address information or RCEF address information.
  • C-BGF Core Network - Border Gateway Function
  • Core Network Border Gateway Core Network Border Gateway
  • the Diameter protocol is a new generation of AAA (Authentication Authorization Accounting) protocol developed by the Internet Engineering Task Force (IETF).
  • the Diameter basic protocol provides the most basic services for applications such as mobile IP and network access services, such as user sessions and billing, and has functions such as capability negotiation and error notification.
  • the protocol element consists of a number of commands and AVP (Attribute Value Pair), which can pass authentication, authorization, and accounting information between clients, agents, and servers. But whether it's a client, a proxy, or a service The server can actively issue a session request, and the other party gives a response, so it is also called an agreement between peer entities.
  • AVP Attribute Value Pair
  • the embodiment of the present invention can extend the AVP in the Diameter protocol to carry the charging information generated at the transport layer when the fixed network accesses the user session, and the AVP is used in the SPDF to apply the functional entity (such as P-CSCF or IBCF).
  • the charging information generated by the transport layer is carried when the command or response is sent. If carried in AA- Answer or carried in Re-Auth-Request.
  • the AVP parameter includes a charging identifier TCID generated by the transport layer, and may also include address information of the transport layer device.
  • the SIP protocol is an application layer protocol for establishing, modifying, and terminating multimedia sessions in an IP network.
  • SIP messages There are two types of SIP messages: request messages and response messages.
  • the SIP message consists of the first line, the message header, and the body.
  • the first line and the message header define the call according to the service, the address, and the protocol feature. Therefore, the embodiment of the present invention can extend the message header parameter P-Charging-Vector in the SIP protocol. Header), which carries the charging information generated at the transport layer when the fixed network accesses the user session; it can also extend the header field parameters such as "tcid" to carry the meter generated at the transport layer when the fixed network accesses the user session. Fee information.
  • the charging information generated at the transport layer when extending the fixed network access user session in the SIP protocol can also be carried by the existing parameters "gcid” and "ggsn" in the P-Charging-Vector header field, such as the parameter "gcid”.
  • the information may be carried in the SIP protocol by extending a new header field or a message body.
  • extension of the foregoing protocols is not limited to the manner described above, and other extension manners may be used, as long as the extended protocol message can carry the charging information generated at the transport layer when the fixed network accesses the user session. Pass it to the relevant network entity.
  • resource management network elements network elements that perform management functions such as resource allocation, authorization, and control, such as resource control execution function entity RCEF, etc.
  • media gateways A network element that performs processing such as media stream generation, termination, forwarding, or conversion, such as accessing the media gateway function entity A-MGF, various types of BGF, and the like.
  • the TCID is generated by the C-BGF in the basic call, and the transport layer charging information is generated and reported as an example.
  • the charging information generated by the transport layer in the method of the embodiment of the present invention is further transmitted between the network entities. Step description.
  • the fixed access user is used as the calling party to access from the home network, and the message flow of establishing the session is as shown in FIG. 4:
  • Step 1 The UE (User equipment) initiates a session request (Invite), and the request is sent to the P-CSCF.
  • the request message contains all the desired media and coding schemes of the UE.
  • IMS Based PES IMS-based PSTN/ISDN Evolution Subsystem
  • the request is sent to the AGCF;
  • Step 2-6 The P-CSCF requests the Reserve IMS Connection on the C-BGF through the SPDF.
  • the C-BGF reserves the connection resource.
  • the response message includes the charging identifier TCID and C-BGF generated by the access network. Address information, the above charging information is passed to the P-CSCF in the AA-Answer message via SPDF;
  • Step 7 The P-CSCF sends the session request (Invite) to the S-CSCF serving the UE, and the request message carries the charging identifier TCID and the address information of the C-BGF generated by the access network.
  • Step 8 The S-CSCF routes the request message to the called party of the session
  • Step 9 The called party of the session responds to the request, and responds to the supported media and the supported coding scheme in the session progress message (183 Session Progress), and the message is sent to the S-CSCF;
  • Step 10 The S-CSCF adds a P-Charging-Function-Address header in the session progress message (183 Session Progress), which carries the assigned CCF (Charging Collection Function) entity and ECF (Event Charging Function, Event charging function) A real address, sending a message to the P-CSCF accessed by the UE;
  • CCF Charging Collection Function
  • ECF Event Charging Function, Event charging function
  • Step 11-14 P-CSCF triggers SPDF, SPDF requires A-RACF to perform admission control according to the parameters provided and answered;
  • Step 15-18 The SPDF configures the connection resources reserved on the C-BGF according to the media information of the response;
  • Step 20-25 The UE responds to the 183 message, and the message is sent to the called party after passing through the P-CSCF and the S-CSCF; the called party confirms the response message, and the message returns to the UE along the original path;
  • Step 26-28 The called party rings, and the ringing message (180) is sent along the signaling path of the session.
  • Step 29-30 The called party answers, and the response message (200 OK) is sent to the P-CSCF after passing through the S-SCSF serving the user;
  • Step 31-37 The P-CSCF approves the QoS and triggers the SPDF. After requesting the C-BGF to open the gating, the P-CSCF sends a response message to the UE, and connects the media streams of both sessions.
  • Step 38-40 The UE responds to the response message (ACK), and the message is sent to the called party after passing through the P-CSCF and the S-CSCF.
  • ACK response message
  • the C-BGF carries the charging information generated by the transport layer in the AA-Answer message sent to the SPDF (step 5), and the charging information includes the TCID, and may further include The transmission device address information, that is, the network element address information of the TCID, such as the address information of the C-BGF in this example, the charging information may further include a stream identifier of the delivered media stream, a token for media authorization, and the like;
  • the above charging information is forwarded by the SPDF and the P-CSCF and then transmitted to the S-CSCF serving the UE (step 6-7).
  • the above process describes the flow of delivering the charging information generated by the transport layer when the user makes the call.
  • the charging information generated by the delivery transport layer can also be transmitted to the S-CSCF through a process similar to the above, and will not be described in detail herein.
  • the foregoing process describes the process in which the C-BGF generates and transmits the charging information, and the other layers of the transport layer can generate charging information, such as the resource control execution function entity RCEF, the access media gateway function entity A-MGF, and other types of BGF. Etc., the billing information delivery process will not be specifically described here.
  • the method of the embodiment of the present invention is not only applicable to the delivery of the billing information when the fixed access user establishes the basic session, but also applies when the service occurs, and the implementation process is similar to the above, and details are not described herein.
  • the RCEF, the A-MGF, the I-BGF, and the MRFP can also apply the method of the present invention to report the transport layer charging information, and the aforementioned Re
  • the method of the embodiment of the present invention can be applied to the charging information of the transport layer between the interface, the la interface, the Rq interface, the Gq 'interface, the P1 interface, the Mw interface, the P2 interface, and the Mp interface.
  • the R interface between the S-CSCF, the IBCF, the MRFC, and the like in the IMS and the ECF the protocol used by the Rf interface between the S-CSCF, the IBCF, the MRFC, and the CCF is also a Diameter protocol, and the embodiment of the present invention is applied. Methods and extensions, S-CSCF, IBCF, MPFC, etc. can also pass the Ro interface,
  • the Rf interface transmits the charging information generated by the fixed network access user at the transport layer to the network element processing the charging function to complete the charging function for the user.
  • the foregoing implementation process of the embodiment of the present invention uses the charging information generated by the fixed network access user defined by the current TISPAN to be transmitted and transmitted at the transport layer.
  • the current main consideration of TISPAN is various types of DSL (Digital Subscriber Line).
  • DSL Digital Subscriber Line
  • the access of the embodiment of the present invention is also applicable to other types of fixed network access users, such as Packet Cable access.
  • the charging information generated by the user from the fixed network accessing the transmission layer but also the non-GGSN accessing user, such as a WLAN (Wireless Local Area Network, wireless), can be transmitted between the network entities.
  • the user access type information may be transmitted in addition to the charging information generated by the transport layer, and the charging information may be carried.
  • the same information segment is transmitted, for example, the charging information parameter GCID generated by the GGSN, and the charging information parameter TCID generated by the TISPAN access type defined in the embodiment of the present invention, that is, by defining different access type charging information.
  • the parameter is used to pass the user access type information; it can also be transmitted in an information segment other than the information piece carrying the charging information.
  • a transport layer session charging information segment to be transmitted without distinguishing the charging information generated by the transport layer of different access types, such as a unified charging information parameter ACID (Access Charging Identifier). Identifier).
  • the method for how the charging information generated by the transport layer for the user session is transmitted in the IMS under fixed access is described above, because the session of the IMS core network element devices such as P-CSCF, AGCF, MGCF, IBCF, AS, etc. is related.
  • the core network session charging information is also transmitted to the network element processing the charging function through the Ro interface and the Rf interface, and the network element processing the charging function associates the two types of charging information to determine that this is the same user session.
  • Billing information which enables billing for fixed access user sessions.
  • the core network session charging information also includes a charging identifier: an ICID (IMS charging identifier).
  • the charging information generated by the application layer media resource device can also be transmitted and associated in the IMS.
  • the application layer media resource device refers to a device that provides application layer media resources, such as a media resource server, an MRFP, and the like. Further, it may further include a device that controls application layer media resources, such as an MRFC.
  • the application layer resource charging information generated by the application layer media resource device is transmitted to the S-CSCF, and then transmitted to the network element processing the charging function through the Ro interface and the Rf interface.
  • the application layer resource charging information may include a charging identifier RCID (Resource Charging Identifier), and may further include other information such as an address of a device of the application layer media resource.
  • RCID Resource Charging Identifier
  • the interface between the application layer media resource device and the core network device may be an H.248 protocol, or a SIP protocol, etc., and the method for transmitting the application layer resource charging information is as described above.
  • the interface between the core network device and the core network device is different, such as a streaming media protocol such as RTSP (Real-Time Streaming Protocol), for providing content streaming media.
  • RTSP Real-Time Streaming Protocol
  • HTTP Hyper Text Transport Protocol
  • the core network S-CSCF and the like transmit the fixed access transport layer session charging information and the application layer resource charging information to the network element that processes the charging function, and the latter may be the foregoing CCF, ECF or SCF.
  • the core network transmits the charging information through the Diameter protocol or the SIP protocol. It can also be a traditional intelligent service control point that provides an online charging function.
  • the core network uses various traditional intelligent network protocols, such as INAP (Intelligent Network Application Protocol, INAP).
  • INAP Intelligent Network Application Protocol
  • CAMEL Customerized Applications for Mobile Network Enhanced Logic
  • WIN Wireless Intelligent Network
  • Figure 5 is a block diagram of the first embodiment of the system of the present invention:
  • the system includes: a transport layer resource processing module S1, an application layer media resource processing module S3, a core module S2, and a billing processing module S4, wherein the transport layer resource processing module S1 is configured to generate a session-related transport layer of a fixed access user.
  • the application layer media resource processing module S3 is configured to generate application layer resource charging information that is invoked by the network media resource; the core module S2 is configured to receive the session related information of the fixed access user generated by the transport layer resource processing module S1.
  • Transport layer charging information, or application layer resource charging information generated by the application layer media resource processing module S3, and the transport layer meter The fee information, or the application layer resource charging information and the core module S2, the core network charging information related to the session generated by the user is transmitted to the charging processing module S4; the charging processing module S4 is configured to charge according to the transport layer session.
  • the information, or application layer resource charging information, and the core network session charging information are used for charging processing.
  • the transport layer resource processing module S1 includes various modules for performing session resource related processing at the transport layer under non-GGSN access, including resource management network elements, media gateways, etc., which can generate session-related charging information of the transport layer.
  • the core module S2 is a module for processing core network functions such as call session control, routing, service logic control, user access management, inter-domain interworking, such as P-CSCF, AGCF, MGCF, IBCF, S-CSCF, AS, etc., core module
  • the E3 interface between S2 and the transport layer resource processing module S1 may be, but not limited to, using the Diameter protocol, the H.248 protocol, and the like.
  • the application layer media resource processing module S3 is a network media resource providing module, such as a media resource server, MRFP, etc.
  • the E2 interface between the application layer media resource module S3 and the core module S2 may be, but not limited to, using the H.248 protocol, the SIP protocol, RTSP protocol, HTTP protocol, etc.
  • the MRFC that provides the network media resource control function can be located in the application layer media resource processing module, and sometimes in the core module.
  • the billing processing module S4 is a module that provides a user with an offline or online charging function, such as an ECF, a CCF, an SCF (Session Charging Function), and an SCP (Service Control Point) that provides an online charging function.
  • the E1 interface between the billing processing module S4 and the core module S2 may be, but not limited to, the Diameter protocol, the SIP protocol, the INAP (Intelligent Network Application Protocol) protocol, and the CAMEL (Customized Applications for Mobile Network Enhanced Logic). , mobile network enhanced logic user application) protocol, WIN (Wireless Intelligent Network, wireless intelligent network) protocol.
  • the transport layer resource processing module S1 generates the transport layer session charging information of the fixed access user, and transmits the information to the core module S2 through the ⁇ 3 interface, and the core module S2 transmits the same to the billing processing module S4 through the E1 interface.
  • the core module S2 also needs to transmit the core network session charging information generated by the user to the charging processing module S4, so as to implement the charging information association function of the user plane and the control plane, that is, the transmission network (access network) It is associated with the charging of the core network to complete the charging function of the user.
  • the application layer media resource processing module S3 can also separately generate charging information, which is also required at this time.
  • the charging information generated by the application layer media resource processing module S3 is transmitted to the core module S2 through the E2 interface, and the core module S2 uses the E1 network element to apply the application layer resource.
  • the charging information and the core network session charging information are transmitted to the charging processing module S4 to complete the charging function of the user.
  • the core module S2 receives the application layer resource charging information, if the transport layer session charging information (including the charging information generated by the GGSN) is also received, the core module S2 can also apply the application layer.
  • the resource charging information, the transport layer session charging information, and the core network session charging information are transmitted to the charging processing module S4.
  • the foregoing E2 and E3 interfaces are used to transmit application layer resource charging information and transport layer session charging information.
  • the core network session charging information may be transmitted to the application layer media resource processing module S3 or the transport layer resource processing module. Sl.
  • the application layer media resource processing module S3 or the transport layer resource processing module S1 needs to be independently charged (for example, when the application layer media resource processing module or the transport layer resource processing module belongs to an independent operator), and between the billing processing module S4
  • the core module S4 needs to first transmit the core network session charging information to the application layer media resource processing module S3 or the transport layer resource processing module S1 through the E2 or E3 interface.
  • the layer media resource processing module S3 or the transport layer resource processing module S1 further transmits the respective generated charging information and the core network session charging information to the charging processing module S4, and the charging processing module S4 accordingly performs corresponding calculation on the user. fee.
  • Related protocol extensions are similar to the foregoing, and are not described in detail herein.
  • the H.248 protocol, the Diameter protocol, and the SIP protocol are respectively extended to transmit the foregoing information, and the foregoing protocol is used in the relevant interface part in the current network, but the embodiment of the present invention is not limited to the current The relevant protocol used by the interface.
  • the charging information generated by the non-GGSN access user in the transport layer and the application layer media resource device in the embodiment of the present invention should be within the scope of protection of the invention.
  • Figure 6 is a block diagram of a second embodiment of the system of the present invention:
  • the application layer media resource processing module is not included.
  • the system shown in this embodiment only the solid generated on the transport layer resource processing module S1
  • the transport layer session charging information of the access user is transmitted to the core module S2, and is transmitted to the core module S2 through the E3 interface, and the core module S2 transmits it to the billing processing module S4 through the E1 interface.
  • the core module S2 needs to be
  • the core network session charging information generated by the user is transmitted to the charging processing module S4 to implement the charging information association function of the user plane and the control plane, that is, the charging network (access network) and the core network charging. Associated to complete the user's billing function.
  • Figure 7 is a block diagram of a third embodiment of the system of the present invention:
  • the application layer media resource processing module is not included.
  • the transport layer session charging information of the fixed access user generated on the transport layer resource processing module S1 is transmitted to the core module S2, and is transmitted to the core module S2 through the E3 interface, and the core module S2
  • the core module S2 also needs to transmit the core network session charging information generated by the user to the charging processing module S4 to implement the user plane and the control plane.
  • the fee information association function that is, the charging network (access network) and the core network's charging association, completes the user's charging function.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de facturation d'un sous-système multimédia IP à des utilisateurs fixes accédant à un réseau, ce procédé comprenant les étapes suivantes : pendant l'établissement de la session, les informations relatives aux frais associées aux utilisateurs accédant à un réseau sont générées sur l'entrée de fonction de la couche de transmission fixe ou le dispositif de ressources multimédias de la couche d'application; ces informations relatives aux frais sont transmises à l'entrée de fonction de contrôle de session d'appel CSCF pour le service des utilisateurs; la facturation est effectuée pour les utilisateurs accédant à un réseau d'après les informations relatives aux frais. L'invention concerne également un système de facturation d'un sous-système multimédia IP à des utilisateurs fixes, ce système comprenant les éléments suivants : un module de traitement de ressources de couche de transmission, un module principal et un module de traitement de facturation. Grâce à la solution selon l'invention, les informations relatives aux frais générées par des utilisateurs fixes accédant à un réseau sur la couche de transmission sont transmises de manière efficace à l'entrée associée sur le réseau et la facturation du sous-système multimédia IP est effectuée pour les utilisateurs fixes accédant au réseau.
PCT/CN2007/070198 2006-08-09 2007-06-28 Procédé et système de facturation d'un sous-système multimédia ip à des utilisateurs Ceased WO2008019602A1 (fr)

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US9473539B2 (en) 2011-09-28 2016-10-18 Telefonaktiebolaget Lm Ericsson (Publ) Extending SIP P-served user header over IMS interfaces
CN105530105B (zh) * 2014-10-24 2019-11-29 南京中兴软件有限责任公司 Ip多媒体子系统中网元计费信息的关联方法及装置
CN105634751B (zh) * 2014-11-03 2020-01-21 中国移动通信集团公司 一种ip呼叫中心计费的方法、装置及系统
CN105634970B (zh) * 2014-11-06 2019-06-11 中国移动通信集团公司 一种流量核减方法、设备及系统
CN110365630A (zh) * 2018-04-11 2019-10-22 中国移动通信有限公司研究院 信息处理方法及装置、通信网元及存储介质
CN110072073B (zh) * 2019-03-14 2021-01-01 视联动力信息技术股份有限公司 终端主叫业务控制方法、装置、电子设备及存储介质

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