WO2008000170A1 - PROCÉDÉ DE FACTURATION, SYSTÈME DE FACTURATION ET DISPOSITIF DANS UN SYSTÈME PoC - Google Patents

PROCÉDÉ DE FACTURATION, SYSTÈME DE FACTURATION ET DISPOSITIF DANS UN SYSTÈME PoC Download PDF

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Publication number
WO2008000170A1
WO2008000170A1 PCT/CN2007/070088 CN2007070088W WO2008000170A1 WO 2008000170 A1 WO2008000170 A1 WO 2008000170A1 CN 2007070088 W CN2007070088 W CN 2007070088W WO 2008000170 A1 WO2008000170 A1 WO 2008000170A1
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WO
WIPO (PCT)
Prior art keywords
charging
access priority
user access
request
poc
Prior art date
Application number
PCT/CN2007/070088
Other languages
English (en)
French (fr)
Inventor
Dong Zhao
Original Assignee
Huawei Technologies Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008000170A1 publication Critical patent/WO2008000170A1/zh
Priority to US12/331,091 priority Critical patent/US20090093231A1/en

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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
    • 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
    • H04L12/1485—Tariff-related aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H04W76/45—Connection management for selective distribution or broadcast for Push-to-Talk [PTT] or Push-to-Talk over cellular [PoC] services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/204—UMTS; GPRS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2215/00—Metering arrangements; Time controlling arrangements; Time indicating arrangements
    • H04M2215/20—Technology dependant metering
    • H04M2215/2093—Push to talk
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/10—Push-to-Talk [PTT] or Push-On-Call services

Definitions

  • Billing method Billing method, billing system and device in push-to-talk system
  • the present invention relates to the field of push-to-talk (PoC) technology, and more particularly to a charging method, a charging system and a device in a PoC system.
  • PoC push-to-talk
  • the push-to-talk (PoC) service is a cluster media communication service based on Internet Protocol (IP) technology. It utilizes a bearer network and is implemented in half-duplex VoIP technology. After setting the group list, PoC users can perform point-to-point and point-to-multipoint half-duplex calls with other PoC users.
  • IP Internet Protocol
  • GSM Global System for Mobile Communications
  • GPRS General Packet Radio Service
  • FIG 1 shows the overall service of the existing PoC service. As shown in Figure 1, each PoC user can perform point-to-point, point-to-multipoint half-duplex calls with other PoC users through the wireless network.
  • PoC systems usually include internal logical entities of the PoC system and external entities.
  • PoC client Client
  • PoC server PoC server
  • PoC enabling entities Enablers
  • These PoC-enabled entities typically include entities such as Security, Charging, and the like, and each enabled entity only interacts with the corresponding PoC server.
  • the PoC server performs the main functions of the PoC, and the PoC client operates through the PoC server.
  • the PoC server is divided into a Control PoC Function (CPF) and a Participating PoC Function (PPF).
  • CPF Control PoC Function
  • PPF Participating PoC Function
  • CPF is the communication core for centralized control, including session control (establishment/cancellation of sessions, signaling and media negotiation, processing requests, distribution of media streams, etc.), group policy enforcement (including collection) And control QoS) and user plane adaptation and other functions.
  • Each PoC client corresponds to one PPF, and each PPF ⁇ tongue operation sends a request to the CPF, and the CPF coordinates control of the session process (such as media distribution, data transfer, authority and role transfer, QoS authentication, etc.).
  • the communication between the PoC clients and the PPF is requested by the PPF to receive the CPF command, and the CPF distributes the media and data to the PPF according to the policy. Then, each PPF forwards it to the corresponding connected PoC client to complete point-to-point or point-to-multipoint communication between PoC clients.
  • CPF and PPF are functional modules. They can exist on a PoC server or on different PoC servers to perform different functions.
  • a PoC client is a functional entity that a PoC user joins a session. The role is one of the attributes of the PoC user, and the PoC user can form a PoC group (Group).
  • the PPF and the CPF are distinguished, and the difference can be distinguished by the PoC-Server-role field in the PoC-information structure.
  • PoC users themselves should also be different in PoC services.
  • resource congestion, request conflicts, or resource changes due to unexpected events may occur in terms of sending services, reserving resources, and session operations.
  • a mechanism is needed to determine the order in which the user requests are processed, and this difference is reflected in the charging policy, otherwise the billing will be extremely inaccurate.
  • the main purpose of the embodiments of the present invention is to provide a charging method in a PoC system to implement different charging policies for different users, thereby implementing charging more accurately.
  • Another object of the embodiments of the present invention is to provide a charging system in a PoC system to implement different charging policies for different users, thereby implementing charging more accurately.
  • Still another object of the embodiments of the present invention is to provide a PoC server to implement different charging policies for different users, thereby achieving charging more accurately.
  • Another object of embodiments of the present invention is to propose a CF to implement different charging policies for different users, thereby achieving charging more accurately.
  • a charging method in a PoC system comprising:
  • the charging function receives the charging request sent by the PoC server, where the charging request includes user access priority information;
  • the CF parses the charging request to obtain user access priority information, and performs a charging policy corresponding to the user access priority to the PoC server according to the user access priority information.
  • a charging system in a PoC system including a PoC server and a CF, wherein
  • a PoC server configured to send a charging request to the charging function CF, where the charging request includes user access priority information
  • the CF is configured to parse the charging request to obtain user access priority information, and perform a charging policy corresponding to the user access priority to the PoC server according to the user access priority information.
  • a PoC server includes a charging request setting unit and a charging request sending unit, where: The charging request setting unit is configured to generate a charging request including user access priority information, and the charging request sending unit is configured to send the charging request generated by the charging request setting unit to the charging function CF.
  • a CF where the CF includes a charging request receiving unit, a charging request analyzing unit, and a charging policy execution unit, where:
  • a charging request receiving unit configured to acquire a charging request from a PoC server, where the charging request includes user access priority information
  • a charging request parsing unit configured to parse the charging request to obtain a user access priority letter charging policy execution unit, configured to perform user access with the user according to the parsed user access priority information The charging policy corresponding to the priority.
  • the CF receives the charging request sent by the PoC server, where the charging request includes user access priority information; and the CF parses the charging request to obtain The user accesses the priority information, and performs a charging policy corresponding to the user access priority to the PoC server according to the user access priority information, and thus, in the embodiment of the present invention,
  • the charging request sent by the server includes the user access priority information. Therefore, the CF can parse and obtain the user access priority information, and perform preferential access to the PoC server and the user according to the obtained user access priority information. Level corresponding billing strategy. Therefore, according to the division of the user access priority, the embodiment of the present invention implements a corresponding charging policy for different users, so that charging can be implemented more accurately.
  • FIG. 1 is an overall schematic diagram of an existing PoC service.
  • 2 is a schematic structural view of a conventional PoC system.
  • FIG. 3 is an entity relationship diagram in a prior art PoC communication.
  • FIG. 4 is an exemplary flow diagram of a charging method in a PoC system in accordance with an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart diagram of an offline charging method according to an embodiment of the present invention.
  • FIG. 6 is a schematic flow chart of an online charging method according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram showing an exemplary structure of a charging system according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram showing an exemplary structure of a PoC server according to an embodiment of the present invention.
  • Fig. 9 is a schematic view showing the structure of a CF according to an embodiment of the present invention. Mode for carrying out the invention
  • the PoC server sends a charging request to the CF, where the charging request includes user access priority information; the CF parses the charging request to obtain user access priority information, and according to The user accesses the priority information, and performs a charging policy corresponding to the user access priority to the PoC server.
  • the PoC user access priority is the division of the priority level when the PoC session is established/accessed.
  • the access priority affects the division of other types of priorities.
  • the PoC user access priority can be configured on the XDMS or user equipment.
  • the access priority is divided for different users to indicate the priority power that the user enjoys in the PoC service. For example, the user can be divided into five levels as shown in Table 1, where from the first level to the fifth level, the priority is gradually reduced.
  • Table 1 is an exemplary exemplary partition table for PoC users. Table 1
  • the manner of dividing the PoC users shown in Table 1 is merely exemplary and is not intended to limit the scope of application of the present invention.
  • the access priority of the PoC user can be divided into multiple modes according to the specific application environment and the requirements, and is not described here.
  • FIG. 4 is an exemplary flow diagram of a charging method in a PoC system in accordance with an embodiment of the present invention. As shown in Figure 4, the method includes:
  • Step 401 The PoC server sends a charging request to the CF, where the charging request includes user access priority information.
  • Step 402 The CF parses the charging request to obtain user access priority information, and performs a charging policy corresponding to the user access priority to the PoC server according to the user access priority information.
  • the charging request sent by the PoC server to the CF should include the user access priority information.
  • the CF resolves the user access priority information, the CF can perform corresponding calculation on the user. Fee strategy.
  • a user access priority related request is generated, and the request has a user access priority information.
  • the PoC server preferably uses the user access priority related information (such as the user ID, the priority ID, and the like) to obtain the priority detailed parameter, and combines the current running parameter and the operating environment to enter the priority parameter.
  • the assessment process may involve accounting, security, contracting, etc.
  • the method further includes: the PoC server receiving a request for preferential access with the user access, where the request related to the user access priority includes the user access Priority information:
  • the PoC server performs session rule evaluation on the user access priority information. If the session rule is met, step 401 is performed.
  • the session rules include: any one of a billing rule, a security rule, or a user signing situation, or any combination of more than one.
  • the request related to the user access priority is preferably:
  • a user with a low access priority is modified by a special user as a request related to the user access priority caused by the high access priority user;
  • the request related to the user access priority caused by the user's pre-configured access priority is modified by the PoC server.
  • the charging method proposed by the present invention can be applied to both offline charging and online charging.
  • the CF in step 401 is specifically a charging data function (CDF), and the PoC server sends an offline charging request to the CDF, and the CDF parses the offline charging.
  • the request is performed to obtain the user access priority information, and the offline charging policy corresponding to the user access priority is performed on the PoC server according to the user access priority information.
  • CDF charging data function
  • the CF in step 401 is specifically an online charging system (OCS), and the PoC server sends an online charging request to the OCS.
  • OCS online charging system
  • the OCS parses the online charging request to obtain the user access priority information, and performs an online charging policy corresponding to the user access priority to the PoC server according to the user access priority information.
  • the corresponding offline charging policy should be performed according to the changed user access priority, and the charging data is updated.
  • the PoC server first sends an offline charging update request to the CDF, where the offline charging update request includes the modified user. Accessing the priority information; then, the CDF parses the offline charging update request to obtain the modified user access priority information, and performs execution on the PoC server according to the modified user access priority information.
  • the offline charging policy corresponding to the modified user access priority.
  • the PoC server When the embodiment of the present invention is specifically applied to online charging, if the user access priority changes, the PoC server first sends an online charging update request to the OCS, where the online charging update request includes the modified user access priority. Level information; Then, the OCS parses the online charging update request to obtain the modified user access priority information, and performs and modified the PoC server according to the modified user access priority information. User access priority corresponds to the online charging policy.
  • the description of the user access priority information may be added to the existing PoC-Information structure.
  • the PoC-User-Access-Priority field is added to the existing PoC-Information structure to indicate the parameter of the user access priority information
  • the PoC-User-Access-Priority field may include a plurality of inner spaces.
  • Table 2 is a schematic table of the PoC-User-Access-Priority field in the PoC-Information structure, where PoC-User-Access-Priority is a new field. Table 2
  • PoC-User-Access-Priority field is added to the PoC-Information structure as detailed above. However, those skilled in the art will appreciate that this is only an exemplary description, and is not intended to limit the scope of the present invention. In general, corresponding fields may be added to other available structures to describe user access priority information. .
  • PoC-User-Access-Priority is data of the data set type and can contain the following information fields: Access priority level ID, which can be set to Unsigned32 type; Access priority validity period, can be set to TIME type; Access priority Description, can be set to UTF8String type; access priority can be modified, can be set to Boolean type. Exemplary embodiments of the present invention are described in more detail below in greater detail.
  • FIG. 5 is a schematic flowchart diagram of an offline charging method according to an embodiment of the present invention. As shown in Figure 5, the method includes:
  • Step 501 The PoC server receives a request related to a user access priority, where the request related to the user access priority includes user access priority information.
  • multiple situations may trigger a request to prioritize user access.
  • These possibilities include: a PoC user having an access priority configuration, in the establishment/joining session, in order to enable the PoC server to determine the processing priority order in the case of a request for conflict, to issue a request with access priority information; or
  • the external extended service proposes a request with access priority information to the PoC server when establishing/participating in the session or participating in modifying the session control; or, the PoC server modifies the user-configured access priority attribute according to the current running policy, and The result of this modification is reflected in the current session or the session that is currently being established. It is also possible that a particular user modifies a user with a low access priority to a request related to a user access priority caused by a high priority user.
  • Step 502 The PoC server performs session rule evaluation on the user access priority information, and stores user access priority information.
  • the PoC server After accepting the request related to the user access priority, the PoC server first uses the user access priority related information (such as the user ID, the priority ID, etc.) to obtain the priority detailed parameter, and then combines the current running parameters, The operating environment evaluates this priority detail parameter, which may involve accounting, security, contracting, etc.
  • the session rules include: any one or more of a combination of accounting rules, security rules, or user subscriptions.
  • Steps 503 ⁇ 504 The PoC server sends an INVITE request to the CDF, and the CDF returns a 200 OK response to the PoC server.
  • Steps 505 ⁇ 507 The PoC server initiates an offline charging request ACR, and the offline charging request The request carries the user access priority information, and the CDF performs charging on the user according to the user access priority information, and returns an offline charging response ACA to the PoC server.
  • Step 508 The session continues.
  • Steps 509 to 512 When the user access priority information changes, the PoC server sends an offline charging update request to the CDF, where the offline charging update request includes the modified user access priority information. Then, the CDF parses And the offline charging update request is used to obtain the modified user access priority information, and the PoC server is configured to perform the modified user access priority according to the modified user access priority information. Offline billing strategy.
  • FIG. 6 is a schematic flow chart of an online charging method according to an embodiment of the present invention. As shown in Figure 6, the method includes:
  • Step 601 The PoC server receives a request related to a user access priority, where the request related to the user access priority includes user access priority information.
  • multiple situations may trigger a request to prioritize user access.
  • These possibilities include: a PoC user having an access priority configuration, in the establishment/joining session, in order to enable the PoC server to determine the processing priority order in the case of a request for conflict, to issue a request with access priority information; or
  • the external extended service proposes a request with access priority information to the PoC server when establishing/participating in the session or participating in modifying the session control; or, the PoC server modifies the user-configured access priority attribute according to the current running policy, and The result of this modification is reflected in the current session or the session that is currently being established. It is also possible that a particular user modifies a user with a low access priority to a request related to a user access priority caused by a high priority user.
  • Step 602 The PoC server performs session rule evaluation on the user access priority information. Estimate and store user access priority information.
  • the PoC server After accepting the request related to the user access priority, the PoC server obtains the priority detailed parameter by using the user access priority related information (such as the user ID, the priority ID, etc.), and then runs the current running parameter.
  • the environment evaluates this priority detail parameter, which may involve accounting, security, contracting, etc.
  • the session rules include: any one of a billing rule, a security rule, or a user signing situation, or any combination of more than one.
  • Step 603 When the rules are met, the PoC server sends a CCR online charging request to the OCS to start resource pre-allocation, where the online charging request includes a user access priority letter.
  • Step 604 The OCS performs resource pre-allocation;
  • the resource pre-allocation needs to be performed on the OCS. If the allocation is successful, the user access priority request can be accepted and processed later, but if the allocation fails, This means that the resources are insufficient, and the access request of the user access priority cannot be performed.
  • Step 605 The OCS returns a charging response CCA to the PoC server, which has a quota letter.
  • Steps 607 ⁇ 608 The OCS returns 200 OK information to the PoC server, and the PoC server returns 200 OK information to the user access request initiator.
  • Steps 609 to 611 After successfully pre-allocating resources, the PoC server accepts the access request of the user, and performs corresponding online charging policies for the access.
  • the online charging policies may include rate selection and generation of the access. Event billing data records, etc.
  • Step 612 The session continues.
  • Step 613 to step 617 The PoC server sends an online charging update request to the OCS, where the online charging update request includes the modified user access priority information; and the OCS parses the online charging update request to obtain the modified The user accesses the priority information, and performs an online charging policy corresponding to the modified user access priority to the PoC server according to the modified user access priority information.
  • the OCS updates the current resource allocation according to the used resources in the request, and updates the current charging data.
  • FIG. 7 is a schematic diagram showing an exemplary structure of a charging system according to an embodiment of the present invention.
  • the system 700 includes a PoC server 701 and a CF 702, wherein
  • the PoC server 701 is configured to send a charging request to the charging function CF 702, where the charging request includes user access priority information;
  • the CF 702 is configured to parse the charging request to obtain user access priority information, and perform a charging policy corresponding to the user access priority to the PoC server 701 according to the user access priority information. .
  • the CF may be an accounting data function CDF, and the charging request may be an offline charging request.
  • the CDF is configured to perform an offline charging policy corresponding to the user access priority to the PoC server.
  • the PoC server 701 sends an offline charging update request to the CDF, where the offline charging update request includes the modified user access priority information.
  • the CDF may parse the offline charging update request to obtain the modified user access priority information, and perform the modified user access priority on the PoC server according to the modified user access priority information. Level corresponding to the offline charging strategy.
  • the CF may also be an online charging system OCS, and the charging request is an online charging request.
  • the OCS is configured to perform an online charging policy corresponding to the user access priority to the PoC server. at this time:
  • the PoC server sends an online charging update request to the OCS, where the online charging update request includes the modified user access priority information.
  • the OCS may parse the online charging update request to obtain the modified user access priority information, and perform the modified user access priority on the PoC server according to the modified user access priority information.
  • Level corresponding online charging strategy may parse the online charging update request to obtain the modified user access priority information, and perform the modified user access priority on the PoC server according to the modified user access priority information.
  • the embodiment of the invention also discloses a PoC server.
  • FIG. 8 is a schematic diagram showing an exemplary structure of a PoC server according to an embodiment of the present invention.
  • the PoC server includes a charging request setting unit 801 and a charging request transmitting unit 802, wherein
  • the charging request setting unit 801 is configured to generate a charging request including user access priority information
  • the charging request sending unit 802 is configured to send the charging request generated by the charging request setting unit to the charging function CF.
  • FIG. 9 is a schematic illustration of a CF structure in accordance with an embodiment of the present invention.
  • the CF includes a charging request receiving unit 901, a charging request analyzing unit 902, and a charging policy executing unit 903, where:
  • the charging request receiving unit 901 is configured to obtain a charging request from the PoC server, where the charging request includes user access priority information;
  • the charging request parsing unit 902 is configured to parse the charging request to obtain user access priority information.
  • the charging policy execution unit 903 is configured to perform, according to the parsed user access priority information, a charging policy corresponding to a user access priority to the PoC server.
  • the embodiment of the present invention collects and processes detailed information about user access priority changes based on the access priority, so that the operator extracts the required data in the Charging or Billing part. Implement differentiated billing methods to facilitate operators to provide differentiated services.
  • the embodiment of the present invention achieves monitoring of trigger events according to different access priorities by modifying a few fields, and reporting to the upper layer system, which is also very convenient to apply.

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Description

一种即按即通系统中的计费方法、 计费系统和装置
技术领域
本发明涉及即按即通（PoC )技术领域， 更具体地说， 涉及一种 PoC 系统中的计费方法、 计费系统和装置。 发明背景
即按即通（PoC )业务是一种基于网际协议（IP )技术的集群媒体 通信业务。 它利用承载网络， 以半双工 VoIP技术来实现。 PoC用户在设 定好群组名单后， 可与其他 PoC用户进行点对点、 点对多点的半双工通 话。 在现有全球移动通信系统（GSM ) /通用分组无线业务（GPRS ) 网 络基础上建立 PoC技术业务能实现业务的快速启动， 降低所需的投资， 并具有向第三代移动通信（3G ) 自然增长的途径。
图 1为现有 PoC业务的整体业务示意图。如图 1所示，每个 PoC用 户通过无线网络， 可以同其它 PoC用户进行点对点、 点对多点的半双工 通话。
现有 PoC 系统通常包括 PoC 系统内部逻辑实体以及扩展实体 ( External entity )。
图 2为现有 PoC系统的结构示意图。 在图 2中， PoC系统内部逻辑 实体包括： PoC客户端 （ Client )、 PoC服务器（Server ) 以及多种 PoC 使能实体（enabler )。 这些 PoC使能实体通常包括安全（Security ), 计 费 （Charging )等实体， 并且各使能实体只与相应的 PoC服务器交互。 PoC服务器执行 PoC的主要功能， PoC客户端通过 PoC服务器进行操 作。 PoC服务器分为控制 PoC功能（CPF, Controlling PoC Function ) 和参与 PoC功能（PPF, Participating PoC Function )。 图 3为现有技术 PoC通信中的实体关系图。 如图 3所示， CPF是通 信核心， 进行集中式控制， 执行包括会话控制（建立 /取消会话、 信令和 媒体协商、 处理请求、 分发媒体流等通信控制）、 群组策略执行（包括 收集并控制 QoS )及用户面适配等功能。每个 PoC客户端对应一个 PPF， 各 PPF ^舌操作都是向 CPF发送请求， 由 CPF协调控制会话过程 (如 媒体分发、数据转送、权限及角色转移、 QoS认证等）。 加入^舌的 PoC 客户端之间的通信， 由 PPF向 CPF请求并接收 CPF指令， CPF再依据 策略向 PPF分发媒体、 数据。 然后， 各 PPF将其转发给对应连接的 PoC 客户端， 完成 PoC客户端之间的点对点或点对多点的通信。
CPF与 PPF为功能模块， 它们可以存在于一个 PoC服务器上， 也 可以分属不同的 PoC服务器上， 执行不同功能。 PoC客户端是 PoC用 户加入会话的功能实体， 角色是 PoC用户的属性之一， 而 PoC用户可组 成 PoC群组（ Group )。
在现有技术的 PoC计费中， 对 PPF和 CPF进行了区分， 这种差别 可以用 PoC-information结构中的 PoC-Server-role字段进行区分。
然而， 除了 PPF与 CPF之间存在区别外， PoC用户本身在 PoC服 务中也应该是有区别的。 对于 PoC会话， 在发送业务、 预留资源、 会话 操作等方面， 可能会发生资源紧张、 请求冲突、 或因突发事件要求占用 资源改变等情况。此时，需要有一种机制来判断对用户请求的处理顺序， 并在计费策略方面将这种差异体现出来， 否则计费将极不准确。
然而， 现有计费机制中却没有对 PoC用户进行区分， 也没有针对不 同的 PoC用户执行不同的计费策略， 因此现有技术中的计费方式并不准 确。 发明内容
有鉴于此， 本发明实施例的主要目的是提出一种 PoC系统中的计费 方法，以针对不同的用户实现不同的计费策略，从而更准确地实现计费。
本发明实施例的另一目的是提出一种 PoC系统中的计费系统， 以针 对不同的用户实现不同的计费策略， 从而更准确地实现计费。
本发明的实施例再一目的是提出一种 PoC服务器， 以针对不同的用 户实现不同的计费策略， 从而更准确地实现计费。
本发明的实施例另一目的是提出一种 CF，以针对不同的用户实现不 同的计费策略， 从而更准确地实现计费。
为达到上述目的， 本发明的实施例提供了如下技术方案：
一种 PoC系统中的计费方法， 该方法包括：
计费功能收到 PoC服务器发出的计费请求， 所述计费请求中包含用 户接入优先级信息；
CF解析所述计费请求以获取用户接入优先级信息，并根据所述用户 接入优先级信息，对所述 PoC服务器执行与用户接入优先级相对应的计 费策略。
一种 PoC系统中的计费系统， 该计费系统包括 PoC服务器和 CF， 其中
PoC服务器， 用于向计费功能 CF发出计费请求， 所述计费请求中 包含用户接入优先级信息；
CF, 用于解析所述计费请求以获取用户接入优先级信息， 并根据所 述用户接入优先级信息，对所述 PoC服务器执行与用户接入优先 目对 应的计费策略。
一种 PoC服务器，该 PoC服务器包括计费请求设置单元和计费请求 发送单元， 其中： 计费请求设置单元，用于生成包含用户接入优先级信息的计费请求； 计费请求发送单元，用于向计费功能 CF发送由计费请求设置单元所 生成的计费请求。
一种 CF， 该 CF包括计费请求接收单元、 计费请求解析单元和计费 策略执行单元， 其中：
计费请求接收单元， 用于从 PoC服务器获取计费请求， 所述计费请 求中包含用户接入优先级信息；
计费请求解析单元， 用于解析该计费请求以获取用户接入优先级信 计费策略执行单元， 用于根据解析出的用户接入优先级信息， 对所 述 PoC服务器执行与用户接入优先级相对应的计费策略。
从上述技术方案中可以看出， 在本发明实施例中， CF收到 PoC服 务器发出的计费请求， 所述计费请求中包含用户接入优先级信息； CF 解析所述计费请求以获取用户接入优先级信息 , 并根据所述用户接入优 先级信息， 对所述 PoC服务器执行与用户接入优先级相对应的计费策 略， 由此可见， 在本发明实施例中， 由于 PoC服务器发出的计费请求中 包含有用户接入优先级信息， 因此 CF能够解析并获取用户接入优先级 信息， 并根据所获取的用户接入优先级信息， 对 PoC服务器执行与用户 接入优先级相对应的计费策略。 所以， 根据对用户接入优先级的划分， 本发明实施例实现了针对不同的用户执行相对应的计费策略， 因此能够 更准确地实现计费。
附图简要说明
图 1为现有 PoC业务的整体示意图。 图 2为现有 PoC系统的结构示意图。
图 3为现有技术 PoC通信中的实体关系图。
图 4为根据本发明实施例的 PoC系统中的计费方法的示范性流程示 意图。
图 5为根据本发明实施例的离线计费方法示范性流程示意图。
图 6为根据本发明实施例的在线计费方法示范性流程示意图。
图 7为^^据本发明实施例的计费系统示范性结构示意图。
图 8为根据本发明实施例的 PoC服务器的示范性结构示意图。
图 9为根据本发明实施例的 CF结构示意图。 实施本发明的方式
为使本发明的目的、 技术方案和优点表达得更加清楚明白， 下面结 合附图及具体实施例对本发明再作进一步详细的说明。
本发明实施例的主要思想是： PoC服务器向 CF发出计费请求， 所 述计费请求中包含用户接入优先级信息； CF解析所述计费请求以获取 用户接入优先级信息， 并根据所述用户接入优先级信息， 对所述 PoC服 务器执行与用户接入优先级相对应的计费策略。
PoC用户接入优先级是建立 /接入 PoC会话时对其优先级别的划分， 接入优先级会影响到其它类型的优先级的划分。 PoC用户接入优先级可 以在 XDMS或用户设备上配置。 在本发明中的 PoC计费中， 针对不同 的用户， 对其接入优先级进行划分， 以表明该用户在 PoC服务中享有的 优先权力。 比如， 可以将用户划分为表 1所示五个级别， 其中从第一级 到第五级， 优先级逐步递减。 表 1为 PoC用户的优先级示范性划分表。 表 1
Figure imgf000008_0001
显然， 表 1所示对 PoC用户的划分方式仅为示范性的， 而并不用于 限制本发明的适用范围。 实质上， 根据具体应用环境以及需求的不同， 对 PoC用户的接入优先级划分可以有多种方式， 在此并不赘述。
图 4为根据本发明实施例的 PoC系统中的计费方法的示范性流程示 意图。 如图 4所示， 该方法包括：
步骤 401: PoC服务器向 CF发出计费请求， 所述计费请求中包含用 户接入优先级信息。
步骤 402: CF解析所述计费请求以获取用户接入优先级信息， 并根 据所述用户接入优先级信息，对所述 PoC服务器执行与用户接入优先级 相对应的计费策略。
对用户接入优先级进行划分后， PoC服务器向 CF发出的计费请求 中应包含用户接入优先级信息， 从而 CF解析出该用户接入优先级信息 后， 能够对该用户执行相应的计费策略。
由于多种情况，在建立 /加入 PoC ^舌时，会引发用户接入优先级相 关请求， 该请求带有用户接入优先 «目关信息。 PoC服务器在接受该请 求后， 优选利用用户接入优先级相关信息 （如用户 ID、 优先级 ID等）， 获取优先级详细参数， 结合当前运行参数、 运行环境对此优先级参数进 行评估， 该评估过程可能涉及帐务、 安全、 签约情况等环节。
此时， 在本实施例中， 优选在步骤 401之前， 该方法进一步包括： PoC服务器接收与用户接入优先 «目关的请求， 所述与用户接入优先级 相关的请求中包含用户接入优先级信息； PoC服务器对所述用户接入优 先级信息进行会话规则评估， 如果符合会话规则， 则执行步骤 401。 其 中， 会话规则包括： 帐务规则、 安全规则、 或用户签约情况中的任一种 或多于一种的任意组合。
另外， 与用户接入优先级相关的请求优选为：
由 PoC用户向 PoC服务器发送的、 与用户接入优先级相关的请求； 或
由外部扩展业务向 PoC服务器发送的、 与用户接入优先级相关的请 求； 或
由特殊用户将低接入优先级的用户修改为高接入优先级用户所引发 的、 与用户接入优先级相关的请求； 或
由所述 PoC服务器修改用户预先配置的接入优先级所引发的、 与用 户接入优先级相关的请求。
在这里， 本发明所提出的计费方法既可以适用于离线计费， 还能够 适用于在线计费。
当本发明实施例具体应用于离线计费过程中时， 步骤 401 中的 CF 为具体为计费数据功能（ CDF ) , PoC服务器向 CDF发出离线计费请求， 此时 CDF解析所述离线计费请求以获取用户接入优先级信息 ,并根据所 述用户接入优先级信息，对所述 PoC服务器执行与用户接入优先级相对 应的离线计费策略。
当本发明实施例具体应用于在线计费过程中时， 步骤 401 中的 CF 为具体为在线计费系统（OCS ), PoC服务器向 OCS发出在线计费请求， 此时 OCS解析所述在线计费请求以获取用户接入优先级信息，并根据所 述用户接入优先级信息，对所述 PoC服务器执行与用户接入优先级相对 应的在线计费策略。
优选地， 当用户接入优先级发生变化时， 应该根据变化后的用户接 入优先级执行相对应的离线计费策略， 并对计费数据进行更新。
此时， 当本发明实施例具体应用于离线计费时， 如果用户接入优先 级发生变化， PoC服务器首先向 CDF发出离线计费更新请求，所述离线 计费更新请求中包含修改后的用户接入优先级信息； 然后， CDF解析所 述离线计费更新请求以获取修改后的用户接入优先级信息， 并根据所述 修改后的用户接入优先级信息 ,对所述 PoC服务器执行与修改后的用户 接入优先级相对应的离线计费策略。
当本发明实施例具体应用于在线计费时， 如果用户接入优先级发生 变化， PoC服务器首先向 OCS发出在线计费更新请求，所述在线计费更 新请求中包含修改后的用户接入优先级信息； 然后， OCS解析所述在线 计费更新请求以获取修改后的用户接入优先级信息 , 并根据所述修改后 的用户接入优先级信息，对所述 PoC服务器执行与修改后的用户接入优 先级相对应的在线计费策略。
其中 ,可以在现有的 PoC-Information结构中增加对用户接入优先级 信息的描述。 比如， 优选地， 在现有的 PoC-Information 结构中增加 PoC-User- Access-Priority字段， 用以表明用户接入优先级信息的参数 , 该 PoC-User-Access-Priority字段可以包含若干内空， 属于数据集类型的 结构。表 2为在 PoC-Information结构中增力口 PoC-User- Access-Priority字 段的示意表， 其中 PoC-User- Access-Priority为新增的字段。 表 2
Figure imgf000011_0001
以 上 详 细 描 述 了 在 PoC-Information 结 构 中 增 加 PoC-User-Access-Priority字段。 然而本领域技术人员可以意识到， 这仅 是示范性的说明， 而并不用于限定本发明的保护范围， 实质上还可以在 其它的可用结构中增加相应的字段以描述用户接入优先级信息。
PoC-User- Access-Priority是个数据集类型的数据 , 可以包含如下信 息字段： 接入优先级级别 ID, 可以设置为 Unsigned32类型； 接入优先 级有效期限， 可以设置为 TIME 类型； 接入优先级描述， 可以设置为 UTF8String类型； 接入优先级是否可修改， 可以设置为布尔 （Boolean ) 类型。 下面更加详细地具体描述本发明的示范性实施例。
图 5为根据本发明实施例的离线计费方法示范性流程示意图。 如图 5所示， 该方法包括：
步骤 501 : PoC服务器接收与用户接入优先级相关的请求， 所述与 用户接入优先级相关的请求中包含用户接入优先级信息；
在这里， 在建立 /加入会话时， 多种情况可能会引发与用户接入优先 «目关的请求。 这些可能性包括： 具有接入优先级配置的 PoC用户， 在 建立 /加入会话， 为使 PoC服务器在请求冲突的情况下能判断处理优先 顺序而发出带有接入优先级信息的请求； 或者， 外部扩展业务在建立 / 参加会话或参与修改会话控制而向 PoC服务器提出带有接入优先级信 息的请求； 或者， PoC服务器依据当前运行策略， 修改了用户预配置的 接入优先级属性， 并且该修改结果体现到当前 ^舌或当前即将建立的会 话过程中。 还有可能是某特殊用户将低接入优先级的用户修改为高优先 级用户所引发的与用户接入优先级相关的请求。
步骤 502: PoC服务器对所述用户接入优先级信息进行会话规则评 估， 并存储用户接入优先级信息。
在这里， PoC服务器接受该与用户接入优先级相关的请求后， 首先 利用用户接入优先级相关信息（如用户 ID, 优先级 ID等）， 获取优先级 详细参数， 然后结合当前运行参数、 运行环境对此优先级详细参数进行 评估， 该评估过程可能涉及帐务、 安全、 签约情况等环节。 相应地， 会 话规则包括： 帐务规则、 安全规则、 或用户签约情况中的任一种或多于 一种的任意组合。
步骤 503 ~ 504: PoC服务器向 CDF发出 INVITE请求， CDF向 PoC 服务器返回 200 OK响应。
步骤 505 ~ 507: PoC服务器发起离线计费请求 ACR,该离线计费请 求中携带有用户接入优先级信息 , CDF根据该用户接入优先级信息对用 户执行计费， 并向 PoC服务器返回离线计费响应 ACA。
步骤 508: 会话继续。
至此， 完成了 PoC离线计费的过程。 当^舌过程中的用户接入优先 级信息发生了变化时， 接着触发计费更新事件。
步骤 509 ~ 512: 当用户接入优先级信息发生变化时， PoC服务器向 CDF发出离线计费更新请求，所述离线计费更新请求中包含修改后的用 户接入优先级信息； 然后， CDF解析所述离线计费更新请求以获取修改 后的用户接入优先级信息 , 并根据所述修改后的用户接入优先级信息 , 对所述 PoC服务器执行与修改后的用户接入优先级相对应的离线计费 策略。
图 6为根据本发明实施例的在线计费方法示范性流程示意图。 如图 6所示， 该方法包括：
步骤 601 : PoC服务器接收与用户接入优先级相关的请求， 所述与 用户接入优先级相关的请求中包含用户接入优先级信息；
在这里， 在建立 /加入会话时， 多种情况可能会引发与用户接入优先 «目关的请求。 这些可能性包括： 具有接入优先级配置的 PoC用户， 在 建立 /加入会话， 为使 PoC服务器在请求冲突的情况下能判断处理优先 顺序而发出带有接入优先级信息的请求； 或者， 外部扩展业务在建立 / 参加会话或参与修改会话控制而向 PoC服务器提出带有接入优先级信 息的请求； 或者， PoC服务器依据当前运行策略， 修改了用户预配置的 接入优先级属性， 并且该修改结果体现到当前 ^舌或当前即将建立的会 话过程中。 还有可能是某特殊用户将低接入优先级的用户修改为高优先 级用户所引发的与用户接入优先级相关的请求。
步骤 602: PoC服务器对所述用户接入优先级信息进行会话规则评 估， 并存储用户接入优先级信息。
在这里， PoC服务器接受该与用户接入优先级相关的请求后， 利用 用户接入优先级相关信息（如用户 ID, 优先级 ID等）， 获取优先级详细 参数，然后结合当前运行参数、运行环境对此优先级详细参数进行评估， 该评估过程可能涉及帐务、 安全、 签约情况等环节。 相应地， 会话规则 包括： 帐务规则、 安全规则、 或用户签约情况中的任一种或多于一种的 任意组合。
步骤 603: 当符合 ^舌规则时， PoC服务器向 OCS发出 CCR在线 计费请求以启动资源预分配， 该在线计费请求中包括用户接入优先级信 步骤 604: OCS执行资源预分配；
对于在线计费，在接受用户接入优先级相关请求后， 需要到 OCS上 进行资源预分配， 如果分配成功， 则该用户接入优先级请求可以接受， 并进行后续处理， 但如果分配失败， 意味着资源不足， 不可以进行该用 户接入优先级的接入请求。
步骤 605: OCS向 PoC服务器返回计费响应 CCA,其中具有配额信 步骤 606: PoC服务器向 OCS发出 INVITE请求；
步骤 607 ~ 608: OCS向 PoC服务器返回 200 OK信息， PoC服务器 向用户接入请求发起方返回 200 OK信息；
步骤 609 ~ 611 : PoC服务器在成功预分配资源后， 接受了用户的接 入请求， 并对该接入执行相应的在线计费策略， 这些在线计费策略可以 包括费率选择、 生成该接入事件计费数据记录等。
步骤 612: 会话继续。
至此， 完成了在线计费的过程。 当会话过程中的用户接入优先级信 息发生了变化时， 此时触发计费更新事件。
步骤 613 ~步骤 617: PoC服务器向 OCS发出在线计费更新请求， 所述在线计费更新请求中包含修改后的用户接入优先级信息； OCS解析 所述在线计费更新请求以获取修改后的用户接入优先级信息， 并根据所 述修改后的用户接入优先级信息 ,对所述 PoC服务器执行与修改后的用 户接入优先级相对应的在线计费策略。 此时， OCS根据请求中的已使用 资源情况， 更新当前资源分配， 并更新当前计费数据。
本发明实施例还公开了一种 PoC系统中的计费系统。 图 7为根据本 发明实施例的计费系统示范性结构示意图。
如图 7所示， 该系统 700包括 PoC服务器 701和 CF 702， 其中
PoC服务器 701， 用于向计费功能 CF 702发出计费请求， 所述计费 请求中包含用户接入优先级信息；
CF 702, 用于解析所述计费请求以获取用户接入优先级信息， 并根 据所述用户接入优先级信息，对所述 PoC服务器 701执行与用户接入优 先级相对应的计费策略。
其中， 所述 CF可以为计费数据功能 CDF, 所述计费请求可以为离 线计费请求， 此时 CDF用于对 PoC服务器执行与用户接入优先 目对 应的离线计费策略。
另外， 当用户接入优先级修改时， PoC服务器 701向 CDF发出离线 计费更新请求， 所述离线计费更新请求中包含修改后的用户接入优先级 信息；
CDF可以解析所述离线计费更新请求以获取修改后的用户接入优先 级信息， 并根据所述修改后的用户接入优先级信息， 对所述 PoC服务器 执行与修改后的用户接入优先级相对应的离线计费策略。
CF还可以为在线计费系统 OCS, 所述计费请求为在线计费请求， 此时 OCS用于对所述 PoC服务器执行与用户接入优先级相对应的在线 计费策略。 此时：
当用户接入优先级修改时， PoC服务器向 OCS发出在线计费更新请 求， 所述在线计费更新请求中包含修改后的用户接入优先级信息；
OCS可以解析所述在线计费更新请求以获取修改后的用户接入优先 级信息， 并根据所述修改后的用户接入优先级信息， 对所述 PoC服务器 执行与修改后的用户接入优先级相对应的在线计费策略
本发明实施例还公开了一种 PoC服务器。
图 8为根据本发明实施例的 PoC服务器的示范性结构示意图。 如图 8所示， 该 PoC服务器包括计费请求设置单元 801和计费请求 发送单元 802， 其中
计费请求设置单元 801 , 用于生成包含用户接入优先级信息的计费 请求；
计费请求发送单元 802，用于向计费功能 CF发送由计费请求设置单 元所生成的计费请求。
本发明实施例还公开了一种 CF。 图 9为根据本发明实施例的 CF结 构示意图。
如图 9所示，该 CF包括计费请求接收单元 901、计费请求解析单元 902和计费策略执行单元 903， 其中：
计费请求接收单元 901， 用于从 PoC服务器获取计费请求， 所述计 费请求中包含用户接入优先级信息；
计费请求解析单元 902， 用于解析该计费请求以获取用户接入优先 级信息；
计费策略执行单元 903 , 用于根据解析出的用户接入优先级信息， 对所述 PoC服务器执行与用户接入优先级相对应的计费策略。 综上所述， 本发明实施例基于接入优先级， 收集和处理详细的关于 用户接入优先级变化的信息， 供运营商在收费 （Charging ) 或记帐 ( Billing )部分提取所需数据， 执行差异化的计费方法， 便于运营商提 供差异化服务。
另外， 本发明实施例通过修改很少的字段， 达到对按不同接入优先 级触发事件的监控， 并上报上层系统， 应用起来也非常方便。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的 保护范围。 凡在本发明的精神和原则之内， 所作的任何修改、等同替换、 改进等， 均应包含在本发明的保护范围之内。

Claims

权利要求书
1、 一种即按即通 PoC 系统中的计费方法， 其特征在于， 该方法包 括：
计费功能 CF收到 PoC服务器发出的计费请求， 所述计费请求中包 含用户接入优先级信息；
CF解析所述计费请求以获取用户接入优先级信息，并根据所述用户 接入优先级信息，对所述 PoC服务器执行与用户接入优先级相对应的计 费策略。
2、 根据权利要求 1所述的 PoC系统中的计费方法， 其特征在于， 该方法进一步包括：
PoC服务器接收与用户接入优先 «目关的请求， 所述与用户接入优 先级相关的请求中包含用户接入优先级信息；
PoC服务器对所述用户接入优先级信息进行会话规则评估， 并当符 合会话规则时， PoC服务器向计费功能 CF发出所述计费请求。
3、 根据权利要求 2所述的 PoC系统中的计费方法， 其特征在于， 所述会话规则包括： 帐务规则、 安全规则、 或用户签约情况中的任一种 或多于一种的任意组合。
4、 根据权利要求 2所述的 PoC系统中的计费方法， 其特征在于， 所述与用户接入优先级相关的请求为：
由 PoC用户向 PoC服务器发送的、 与用户接入优先级相关的请求； 或
由外部扩展业务向 PoC服务器发送的、与用户接入优先级相关的请 求； 或
由特殊用户将低接入优先级的用户修改为高接入优先级用户所引发 的、 与用户接入优先级相关的请求； 或 由所述 PoC服务器修改用户预先配置的接入优先级所引发的、与用 户接入优先级相关的请求。
5、 根据权利要求 1-4中任一项所述的 PoC系统中的计费方法， 其 特征在于， 所述 CF为计费数据功能 CDF, 所述计费请求为离线计费请 求；
所述 CF对 PoC服务器执行计费策略为： CDF对所述 PoC服务器执 行与用户接入优先级相对应的离线计费策略。
6、 根据权利要求 1-4中任一项所述的 PoC系统中的计费方法， 其 特征在于， 所述 CF为在线计费系统 OCS, 所述计费请求为在线计费请 求；
所述 CF对 PoC服务器执行计费策略为： OCS对所述 PoC服务器执 行与用户接入优先级相对应的在线计费策略。
7、 根据权利要求 5所述的 PoC系统中的计费方法， 其特征在于， 该方法进一步包括：
当用户接入优先级修改时 , CDF收到 PoC服务器发出的离线计费更 新请求， 所述离线计费更新请求中包含修改后的用户接入优先级信息；
CDF解析所述离线计费更新请求以获取修改后的用户接入优先级 信息， 并根据所述修改后的用户接入优先级信息， 对所述 PoC服务器执 行与修改后的用户接入优先级相对应的离线计费策略。
8、 根据权利要求 6所述的 PoC系统中的计费方法， 其特征在于， 该方法进一步包括：
PoC服务器在 OCS上进行资源预分配，并当资源预分配成功时 PoC 服务器向计费功能 CF发出所述计费请求。
9、 根据权利要求 8所述的 PoC系统中的计费方法， 其特征在于， 该方法进一步包括： 当用户接入优先级修改时， PoC服务器向 OCS发出在线计费更新请 求， 所述在线计费更新请求中包含修改后的用户接入优先级信息；
OCS 解析所述在线计费更新请求以获取修改后的用户接入优先级 信息， 并根据所述修改后的用户接入优先级信息， 对所述 PoC服务器执 行与修改后的用户接入优先级相对应的在线计费策略。
10、 根据权利要求 1所述的 PoC系统中的计费方法， 其特征在于， 所述计费请求中包含有表示用户接入优先级信息的字段。
11、 根据权利要求 10所述的 PoC系统中的计费方法， 其特征在于， 所述表示用户接入优先级信息的字段包括： 接入优先级级别标识 ID信 息字段、 接入优先级有效期限信息字段、 接入优先级描述信息字段、 或 接入优先级别是否可修改信息字段中的任一个或多于一个的任意组合。
12、一种 PoC系统中的计费系统，其特征在于，该计费系统包括 PoC 服务器和 CF, 其中
PoC服务器， 用于向计费功能 CF发出计费请求， 所述计费请求中 包含用户接入优先级信息；
CF, 用于解析所述计费请求以获取用户接入优先级信息， 并根据所 述用户接入优先级信息，对所述 PoC服务器执行与用户接入优先级相对 应的计费策略。
13、 根据权利要求 12所述的 PoC系统中的计费系统， 其特征在于， 所述 CF为计费数据功能 CDF, 所述计费请求为离线计费请求；
所述 CF对 PoC服务器执行与用户接入优先级相对应的计费策略为： 所述计费数据功能 CDF对 PoC服务器执行的与用户接入优先级相对应 的离线计费策略。
14、 根据权利要求 12所述的 PoC系统中的计费系统， 其特征在于， 所述 CF为在线计费系统 OCS, 所述计费请求为在线计费请求； 所述 CF对 PoC服务器执行与用户接入优先级相对应的计费策略为： 所述在线计费系统 OCS对 PoC服务器执行的与用户接入优先级相对应 的在线计费策略。
15、 一种 PoC服务器， 其特征在于， 该 PoC服务器包括计费请求设 置单元和计费请求发送单元， 其中：
计费请求设置单元，用于生成包含用户接入优先级信息的计费请求； 计费请求发送单元， 用于向计费功能 CF发送由计费请求设置单元 所生成的计费请求。
16、 一种 CF， 其特征在于， 该 CF包括计费请求接收单元、 计费请 求解析单元和计费策略执行单元， 其中：
计费请求接收单元， 用于从 PoC服务器获取计费请求， 所述计费请 求中包含用户接入优先级信息；
计费请求解析单元， 用于解析该计费请求以获取用户接入优先级信 计费策略执行单元， 用于根据解析出的用户接入优先级信息， 对所 述 PoC服务器执行与用户接入优先级相对应的计费策略。
PCT/CN2007/070088 2006-06-22 2007-06-06 PROCÉDÉ DE FACTURATION, SYSTÈME DE FACTURATION ET DISPOSITIF DANS UN SYSTÈME PoC WO2008000170A1 (fr)

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