WO2008046269A1 - Procédé visant à réaliser le contrôle du droit à la parole dans un système d'appel de groupe - Google Patents

Procédé visant à réaliser le contrôle du droit à la parole dans un système d'appel de groupe Download PDF

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Publication number
WO2008046269A1
WO2008046269A1 PCT/CN2006/003764 CN2006003764W WO2008046269A1 WO 2008046269 A1 WO2008046269 A1 WO 2008046269A1 CN 2006003764 W CN2006003764 W CN 2006003764W WO 2008046269 A1 WO2008046269 A1 WO 2008046269A1
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WO
WIPO (PCT)
Prior art keywords
group
call
short message
group call
center
Prior art date
Application number
PCT/CN2006/003764
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English (en)
French (fr)
Inventor
Tianyong Long
Original Assignee
Zte Corporation
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Publication date
Application filed by Zte Corporation filed Critical Zte Corporation
Publication of WO2008046269A1 publication Critical patent/WO2008046269A1/zh

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Classifications

    • 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
    • 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
    • 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
    • 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
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]

Definitions

  • the present invention relates to a mobile communication system, and more particularly to a voice weight control method in a half-duplex group call service of a Mobile Communication Network (PLMN).
  • PLMN Mobile Communication Network
  • a group call can be divided into a full-duplex group call and a half-duplex group call.
  • any group member can listen to all other members' simultaneous speech.
  • special mixing resources are needed to achieve this effect, and as the group call members increase, The mixing effect will inevitably drop. Due to the cost, quantity and mixing effects of the mixing resources, the half-duplex group call is more practical in practical applications.
  • the method of group call service by adding the group call register and the group call exchange center without changing the existing network equipment, provides the function of the group initiation group call and the console initiation group call to the existing network, and provides the A method for dynamically adding and deleting a group call member in a group call by a terminal or a console.
  • the group call service method described in the patent can effectively implement a group call across multiple local networks by introducing a group call register device, and can solve the problem.
  • the mobile group call member roams to the group call control in the field, but the solution is not implemented on the basis of not changing the existing network.
  • the invention relates to a method for controlling group call rights.
  • the invention aims to overcome the problems existing in the prior art and to provide a method for realizing group call rights control without improving the switching device of the existing mobile communication network.
  • the present invention utilizes a short message as a signaling carrier for transmitting a right application and a right release for a user terminal, and by appropriately improving the short message center, the call right application and the right release can be smoothly transmitted by the user terminal. Delivery to the group call exchange center.
  • a method for implementing voice rights control in a group call system includes the following steps: Step 1: A scheduling call is initiated and established by a scheduling terminal or a dispatching station. In the group call establishing process, the group call switching center obtains according to the group call register.
  • Step 2 The user with the right to call can release the call right through the terminal, manually press the customized function button on the terminal, the terminal will automatically construct the call release
  • the short message is sent to the short message center through the mobile communication network
  • Step 3 The short message center identifies that the short message is a short message release short message by using the special identifier in the short message, and queries the group call register to process the group call
  • the group call exchange center Step 4: The short message center sends a short message release short message to the group call exchange center that is processing the group call, and the group call exchange center modifies the group member to the called state, and records the group call.
  • Step 5 If another group member needs to speak at this time, the call right application can be performed through the terminal operation, and the call is manually pressed.
  • the customized function key on the terminal the terminal will automatically construct a call request short message, and send it to the short message center via the mobile communication network;
  • Step 6 The short message center identifies that the short message is short by the special identifier in the short message.
  • the message is sent to the group call register to query the group call switching center that is currently processing the group call;
  • Step 7 The short message center sends the call right application short message to the group call exchange center that is processing the group call, the group call exchange center
  • the member of the group is modified to the utterance state, and the right of the group call is recorded.
  • Step 8 Steps 2 to 7 are performed to implement the application and release of the rights of each group member in the group call.
  • the invention realizes the voice right control communication between the terminal and the group call switching center by using the short message burst data mechanism, so that there is no additional requirement for the existing mobile switching network, so that the existing network switch and the home location register are not modified.
  • the application and release of the right to call in the group call due to the following two reasons, there is no problem of poor real-time and reliability in the ordinary short message service in the present invention: 1.
  • the call application and release of the special short message are sent after the call is established, that is, the wireless channel has been established, which greatly improves the speed and success rate of sending and receiving short messages in the air interface compared with the ordinary short message. .
  • FIG. 1 is a schematic structural diagram of a system for implementing a group call service and its voice right control according to the present invention
  • FIG. 2 is a schematic diagram of a process for a scheduling terminal to release a call right after a group call is initiated, and other members apply for a call right; After the establishment, a schematic diagram of a member's application for the right to call and forced to release the right after a certain period of time;
  • Figure 4 is a schematic diagram of the process of failure of the member to apply for the right to speak.
  • 1 is a schematic structural diagram of a system for implementing a group call service and its voice right control according to the present invention.
  • the group call switching center 10 and the group call register 20 are added to the existing mobile network, and a small number of existing mobile network short message centers 30 are modified.
  • the group call switching center 10 through the NO.7 mode and the current network Connection, used to complete group call exchange and voice control function; group call register 20, store group information attributed to the local area, including group member list, group attribute (full duplex or half duplex), member holding The longest time of the right to speak, the priority of the member's voice priority, and the dynamic information such as the group call exchange center of the current group; the short message center is modified to identify the application for the right to use the short message content.
  • the special short message of the right release and can query the group call register for the group call switching center that is processing the current group.
  • the group call register is connected to the existing mobile network and used to store group information; the group call exchange center realizes group call scheduling and voice right control through the existing mobile network and the group call register and the short 4th center connection;
  • the center identifies a special short message sent by the user terminal for the right application and the dry call, and forwards it to the group call exchange center;
  • the mobile group call terminal provides the user with the right to apply for and release the call through the customized function key, when the user When performing such operations, the call request short message and the right release short message can be automatically sent.
  • the method of the present invention includes the following steps: Step 1: The scheduling terminal or the dispatching station initiates and establishes a group call.
  • the group call switching center establishes a half according to the group data obtained from the group call register.
  • Duplex group call that is, only the dispatching terminal has the right to speak, and the other terminals are in the called state;
  • Step 2 The user with the right to speak can release the right by the terminal operation, such as manually pressing the terminal to customize The function key, the terminal will automatically construct the voice right release short message, and send it to the designated short message center via the mobile communication network;
  • Step 3 The short message center passes the special identifier in the short message, and the short message is short. The message is sent to the group call register to query the group call switching center that is currently processing the group call.
  • Step 4 The short message center sends the right release short message to the group call exchange center that is processing the group call, the group call exchange center Modify the member to the accepted state, and record the right of the group call to return the status;
  • Step 5 If there is another group member at this time To send a message, the call right application can be performed through the terminal operation.
  • Step 6 Short message center Identifying, by the special identifier in the short message, that the short message is a short message request short message, and querying the group call register for the group call switching center that is currently processing the group call;
  • Step 7 the short message center sends the short message request short message To the group call switching center that is processing the group call, the group call switching center modifies the member to the uttered state, and records the right of the group call.
  • Step 8 Looping steps 2 to 7 to implement the call application and release of each group member in the group call; the above implementation steps focus on the message transmission method of the call right application and release, but are not limited to the group call control Other control functions, for example: 1. After a group member has the right to call, the group call exchange center performs timing.
  • the group call exchange center can force the change to In the state of the voice, the right of the group call is returned to the state, so as to prevent a member from occupying the call for a long time, and the other members cannot speak; 2: In the state where the call right of the group call has been assigned, the group call exchange center can ignore the other The member's right to apply, to ensure that the member with the right to speak is not affected; Third: can be extended by a similar algorithm to achieve a group of processing with multiple rights, that is, there can be multiple members to control the call; Group members can be divided into different priorities through appropriate algorithms, so that high-priority members can be robbed Right; five: the transformation of the group call by a suitable switching center, the user can apply for speaking right, releasing speaking right after the success or failure of the operation, sent to the appropriate tone terminal thereof.
  • Step 201 The dispatching terminal dials the group call request number to send a group call request message to the PSTN, requesting Initiating a group call;
  • Step 202 The PSTN routes the call to the group call switching center of the visited place according to the called number.
  • Step 203 The group call switching center sends a group call register to the group according to the group number in the called number.
  • Step 204 after receiving the group information request message, the group call register searches for the corresponding group information according to the group number, and returns the message to the group call front-end machine through the group information return message.
  • Group information of the group including but not limited to the following information: all member numbers of the group, group attributes, member attributes, member permissions and priorities, etc., and the group call register records the group call switching center address to In the dynamic data of the group;
  • Step 205 After receiving the group information return message, the group call switching center uses the special bead number containing the group number as the calling number according to the member information in the group, and initiates a call to all members;
  • Step 206 any member in the group After the ringing response, the group call switching center sends a ringing response message to the PLMN. After receiving the subsequent member ringing response message, the group calling switching center does not send a ringing response message to the PLMN.
  • Step 207 The PLMN sends a call to the PLMN.
  • the terminal forwards the ringing response message.
  • Step 210 after the group call is established, if the half-duplex group calls, the group call exchange center Group information, automatically assigning one or more call rights to a high-level user in the group, such as a dispatcher.
  • the terminal In a group call, when a user who already has the right to actively release the right to speak, the terminal automatically sends a right to release the short message through the operation of the mobile terminal, for example, pressing a customized function key of the mobile phone, and the message passes the special content.
  • Step 21 The PLMN sends the short message release message to the short message center according to the short message process, where the short message is The calling address is filled in with the member's number; Step 212, the short message center identifies the short message as the right to release the short message by using the special content of the short message, and assigns the group to the group according to the group number in the called address of the short message.
  • the group call register queries the group call exchange center address; step 213, the group call register reads the group call exchange center address currently processing the group call from the dynamic data of the group, and returns to the short message center; step 214, short message
  • the center uses the obtained group call exchange center address to deliver the right release short message to the group call exchange center; step 215, the group call exchange center passes the special The message content identifies that the short message is a short message release short message, and the member is modified from the call state in the group call to the received state according to the group number in the called address of the short message and the member number in the short message calling address.
  • the constructing the right release confirms the short message, fills in the short message called address with the member's number, and sends it to the short message center;
  • the short message center identifies the short message as the right release confirmation short message according to the short message content Sending the short message to the member mobile terminal by using the PLMN;
  • the member mobile terminal receives the right release confirmation short message, and identifies the short message as the right release confirmation by the content of the special bead, which can be different from The special processing of the ordinary short message, for example, playing a prompt tone for successfully releasing the right of the user to the user;
  • Step 218 When a user who does not have the right to speak needs to apply for the right to speak, the operation of the mobile terminal, for example, pressing a customized function of the mobile phone The terminal automatically sends a call request short message, and the message indicates that the short message is used for the call right application through the special content, and the group number is filled in
  • the group call register reads, from the dynamic data of the group, the group call switching center address that is currently processing the group call, and returns the message to the short message center.
  • Step 223, the group call exchange center identifies the short message as a call right short message by using a special short message content, according to the group number in the called address of the short message, and the short message caller
  • the member number in the address if the group currently has an idle right resource, the member is changed from the received state in the group call to the uttered state, and the idle right resource of the group is decremented by 1; Applying to confirm the short message, filling in the short message called address with the member's number, and sending it to the short message center;
  • Step 224 the short message center according to the short message content Recognizing that the short message is a call right confirmation short message, and delivering the short message to the member mobile terminal
  • FIG. 3 is a flow chart of a member applying for a call right and being forced to release the call right after a certain period of time, including the following steps: Step 301: When a user who does not have the right to speak needs to apply for a call right, the mobile terminal is used. The operation, for example, pressing a customized function key of the mobile phone, the terminal automatically sends a short message requesting short message, and the message indicates that the short message is used for the call right application through special content, and the group number is filled in to the called address of the short message.
  • Step 302 The PLMN sends the short message message to the short message center according to the short message process, where the calling address of the short message is filled in with the member number;
  • Step 303 the short message center passes the special content of the short message, Identifying the short message as a short message request short message, querying the group call exchange center address to the group call register of the group according to the group number in the called address of the short message;
  • Step 304 the group call register is from the dynamic data of the group Reading out the group call switching center address of the group call that is currently processing the group call, and returning to the short message center;
  • Step 305 using the obtained group by the short message center
  • the switching center address delivery short message is sent to the group call switching center.
  • Step 306 The group call switching center identifies the short message as a call right short message by using a special short message content, according to the group number in the called address of the short message. And the member number in the short message calling address, determining that if the group currently has idle voice resources, the member is modified from the called state in the group call to the calling state, and the idle voice resource of the group is decremented by one; At the same time, constructing a call right application to confirm the short message, filling in the short message called address with the member's number, sending it to the short message center, and starting the utterance timer; Step 307, the short message center identifies the short message according to the short message content The right of the right application confirms the short message, and the short message is delivered to the member mobile terminal by the PLMN; Step 308, the member mobile terminal receives the right application confirmation short message, and identifies the short message by the special content as the right application confirmation.
  • Special processing different from ordinary short message can be performed, for example, a prompt tone for successfully broadcasting a user to the right to call; Step 309: After the user applies for the call right, the user is in the uttered state, and does not actively release the call right.
  • the member After the utterance timer initiated by the group call switching center expires, the member is forcibly changed from the uttered state in the group call to the received state, and Adding the idle call right resource of the group to 1; at the same time, constructing the call right to force release the short message, filling in the short message called address with the member's number, and sending it to the short message center;
  • the short message center identifies according to the short message content
  • the short message is forcibly releasing the short message, and the short message ⁇ : is delivered to the member mobile terminal by the PLMN;
  • Step 31 1 the member mobile terminal receives the short message for the forced release of the right, and the special content is identified by the content.
  • the short message is a forced release of the right to speak, and special processing different from the ordinary short message can be performed, for example, a prompt tone for forcibly releasing the right to the user is played.
  • 4 is a flow chart of a member's failure to claim the right to speak, and includes the following steps: Step 401: When a user who does not have the right to speak needs to apply for the right to speak, the operation of the mobile terminal, for example, pressing a customized function button of the mobile phone, The terminal automatically sends a call request short message, and the message indicates that the short message is used for the call right application through the special content, and the group number is filled in the called address of the short message; Step 402, the PLM presses the short message flow, and the call right The application short message is sent to the short message center, where the calling address of the short message is filled in with the member's number; Step 403, the short message center identifies the short message as the right to apply for the short message according to the special content of the short message, according to the short message The
  • Step 405 the short message center uses the obtained group call exchange center address to deliver the call right request short message to the group call Centrally;
  • step 406 the group call switching center identifies the short message as a short message request short message by using a special short message content, according to the group number in the called address of the short message, and the member number in the short message calling address, if The group currently has no idle rights resources, constructs a call right application to confirm the short message, and the message with the right to apply for the application fails, and fills in the short message called address with the member's number, sends it to the short message center, and starts to speak.
  • the short message center 4 identifies that the short message is a call right confirmation short message according to the short message content, and delivers the short message to the member mobile terminal by using the PLMN; Step 408, the member mobile terminal receives the call right application verification.
  • the short message is identified by the special content, and the short message is used to confirm the right of the application, and the result of the right application is identified as the application failure from the short message content, and special processing different from the ordinary short message may be performed, for example, playing the message to the user.
  • a tone for the failure of the right application may be embodied in a variety of other embodiments, and various changes and modifications can be made in accordance with the present invention without departing from the spirit and scope of the invention. Changes and modifications are intended to be included within the scope of the appended claims.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)

Description

一种在组呼系统中实现话 4又控制的方法 技术领域 本发明涉及移动通信系统，尤其涉及在移动通信网絡（ PLMN, Public Land Mobile Network ) 半双工组呼业务中的话权控制方法。 背景技术 组呼按通话方式又可以分为全双工组呼和半双工组呼。全双工组呼时，任 意组成员可以同时收听其他所有成员的发话， 在传统的电路交换网络中， 需要 经过专门的混音资源才能实现这一效果， 而且随着组呼通话成员的增加， 混音 效果会不可避免的下降。 受混音资源的成本、 数量和混音效果限制， 半双工组 呼在实际应用中更为实用。 在半双工组呼中， 同一时刻只能有一个成员发话， 因此在半双工组呼中需要引入话权控制的方法， 来合理的安排每个成员都能够 在一定时间限制内发言。 为了达到这个目的， 实现组呼控制的系统必须能够接 收和处理来自成员的话权申请和话权释放， 而通过一般技术来实现， 势必要对 现有网 进^"改造， 而增加网络建设成本。 在现有蜂窝和公共交换电话网中实现调度组呼业务已经有多种实现方法， 其中有些方法对现网改动要求比较小。 其中在 CN200510130797专利中描述了 一种实现组呼业务的系统及实现组呼业务的方法， 在不改变现有网络设备的情 况下， 通过增加组呼寄存器和组呼交换中心， 对现有网络提供终端发起组呼和 控制台发起組呼的功能， 并提供了通过终端或控制台在组呼中动态增加和删除 组呼成员的方法。 该专利描述的组呼业务方法由于引入了组呼寄存器设备，可以有效的实现 跨多个本地网的组呼， 并能够解决移动组呼成员漫游到外地的组呼控制， 但没 有解决在不改动现网的基础上实现半双工组呼的话权控制方法。 发明内容 本发明的目的在于克服现有技术中存在的问题，提供一种不用对现有移动 通信网络的交换设备进行改进， 而实现組呼话权控制的方法。 为了实现上述目的 >本发明利用短消息做为用户终端发送话权申请和话权 释放的信令载体， 通过对短消息中心进行适当改进， 使得用户终端发送出来的 话权申请和话权释放能够顺利送达组呼交换中心。 一种在组呼系统中实现话权控制的方法， 包括如下步骤： 步骤一： 由调度终端或调度台发起并建立組呼， 在组呼建立过程中， 组呼 交换中心根据从组呼寄存器获得的组数据， 建立半双工的组呼通话； 步骤二： 有话权的用户可以通过终端搡作进 ^亍话权释放， 手动按下终端上 定制的功能键， 终端会自动构造话权释放短消息， 经过移动通信网络发送到短 消息中心； 步骤三：短消息中心通过短消息中的特殊标识识别出该短消息是话权释放 短消息， 向組呼寄存器查询当前正在处理该组组呼的组呼交换中心； 步骤四：短消息中心将话权释放短消息发送至正在处理该组组呼的组呼交 换中心， 组呼交换中心将该组成员修改为受话状态， 同时记录組呼的话权已归 还状态； 步骤五：若此时有另一组成员需要发话，可以通过终端操作进行话权申请， 手动按下终端上定制的功能键， 终端会自动构造话权申请短消息 , 经过移动通 信网络发送到短消息中心； 步骤六：短消息中心通过短消息中的特殊标识识别出该短消息是话权申请 短消息， 向组呼寄存器查询当前正在处理该组组呼的组呼交换中心； 步骤七：短消息中心将话权申请短消息发送至正在处理该组组呼的组呼交 换中心， 组呼交换中心将该组成员修改为发话状态， 同时记录组呼的话权已分 配^ 态； 步骤八： 循环步骤二至步骤七， 实现组呼中各组成员的话权申请和释放。 本发明借用短消息突发数据机制实现终端与组呼交换中心之间的话权控 制通信， 从而对现有移动交换网络没有附加要求， 使得在不改造现网交换机和 归属位置寄存器的基础上， 实现组呼中的话权申请和释放。 同时， 由于以下两 点原因， 在本发明中并不存在普通短消息业务中实时性和可靠性差的问题： 1、 话权申请和释放特殊短消息的收发是在通话建立后进行的， 即无线信 道已经建立， 相较普通短消息而言， 大大提高了空中接口中发送和接收短消息 的速度和成功率。
2、 话权申请和释放特殊短消息可以被短信中心识别， 因此短信中心可以 提高对该类短消息的处理优先级， 采用不做硬盘存储备份等方式保证特殊短消 息的实时转发。 附图说明 图 1为本发明的实现组呼业务及其话权控制的系统结构示意图； 图 2为调度终端发起组呼后释放话权， 其他成员申请话权的流程示意图； 图 3为组呼建立后，某成员申请话权并在一定时间后被强制释放话权的流 程示意图； 图 4为成员申请话权失败的流程示意图。 具体实施方式 图 1为本发明的实现组呼业务及其话权控制的系统结构示意图。 在现有移动网中增加组呼交换中心 10和組呼寄存器 20, 并对现有移动网 短消息中心 30进 4亍少量改造， 其中： 组呼交换中心 10 , 通过 NO.7方式与现网连接， 用于完成组呼交换和话权 控制功能； 组呼寄存器 20， 存储归属于本地区的组信息， 包括组成员列表、 组属性 (全双工亦或是半双工） 、 成员持有话权的最长时间、 成员话权优先级等 "态 特征， 以及处理当前组的组呼交换中心等动态信息； 短消息中心经过改造，可以通过短消息内容识别出用于话权申请和话权释 放的特殊短消息， 并可以向组呼寄存器查询正在处理当前组的組呼交换中心。 在本发明涉及的组呼业务系统中， 包括以下设备: 组呼寄存器， 与现有移动网相连， 用于保存组信息； 组呼交换中心， 通过现有移动网与组呼寄存器和短 4言中心连接， 实现组呼 的调度和话权控制； 短消息中心，识别用户终端发送的用于话权申请和幹放的特殊短消息，转 发到组呼交换中心； 移动组呼终端， 通过定制的功能键， 对用户提供话权申请和释放操作， 当 用户进行该类操作时， 能够自动发送话权申请短消息和话权释放短消息。 本发明所述方法， 包括如下步马聚： 步骤一： 由调度终端或调度台发起并建立组呼， 在组呼建立过程中， 组呼 交换中心根据从组呼寄存器获得的组数据， 建立半双工的组呼通话， 即只有调 度终端具有话权， 可以发话， 其他终端均处于受话状态； 步骤二： 有话权的用户可以通过终端操作进行话权释放， 如手动按下终端 上定制的功能键， 终端会自动构造话权译放短消息， 经过移动通信网络发送到 指定短消息中心； 步骤三：短消息中心通过短消息中的特殊标识^别出该短消息是话权释放 短消息， 向组呼寄存器查询当前正在处理该组组呼的组呼交换中心； 步骤四：短消息中心将话权释放短消息发送至正在处理该组組呼的组呼交 换中心， 组呼交换中心将该成员修改为受话状态， 同时记录组呼的话权已归还 状态； 步骤五： 如果此时有另一组成员需要发话， 可以通过终端操作进行话权申 请， 如手动按下终端上定制的功能键， 终端会自动构造话权申请短消息， 经过 移动通信网络发送到指定短消息中心； 步骤六：短消息中心通过短消息中的特殊标识识别出该短消息是话权申请 短消息， 向组呼寄存器查询当前正在处理该组组呼的组呼交换中心； 步骤七：短消息中心将话权申请短消息发送至正在处理该组组呼的组呼交 换中心， 组呼交换中心将该成员修改为发话状态， 同时记录组呼的话权已分配 状态； 步骤八： 循环步骤二至步骤七， 实现组呼中各組成员的话权申请和释放； 以上实现步骤的阐述重点在于话权申请和释放的消息传送方式，但不限于 组呼话权控制中的其他控制功能， 例如： 一： 在某组成员具有话权后， 由组呼交换中心进行计时， 如果超时后该成 员仍然没有手动归还话权， 组呼交换中心可以强制将其'爹改为受话状态， 同时 记录组呼的话权已归还状态， 以防止一成员长时间霸占话权， 其他成员无法发 话的情况发生； 二： 在组呼的话权已分配状态下， 组呼交换中心可以忽略其他成员的话权 申请， 保证具有话权的成员发话不受影响； 三： 可通过类似的算法可以扩展实现一个组中具有多个话权的处理， 即同 时可以有多个成员发话的控制； 四： 可以通过适当的算法， 将组成员分成不同的优先级， 从而实现高优先 级的成员可以抢话权； 五： 通过对组呼交换中心的适当改造， 可以在用户申请话权、 释放话权操 作成功或失败后， 给其终端发送适当的提示音。 图 2为调度终端发起组呼后释放话权， 其他成员申请话权的流程图， 包括 ^口下步一慄： 步骤 201 , 调度终端拨打组呼请求号码向 PSTN发送发起组呼请求消息， 请求发起组呼； 步骤 202 , PSTN根据被叫号码， 将呼叫路由到拜访地的组呼交换中心； 步骤 203 , 組呼交换中心根据被叫号码中的组号， 向此组归属地的组呼寄 存器发送组信息请求消息， 请求本组的组信息； 步骤 204, 组呼寄存器收到组信息请求消息后， 根据组号搜索对应的组信 息， 并通过组信息返回消息向组呼前置机返回本组的组信息， 组信息中包括但 不局限于以下信息： 本组的所有成员号码， 组属性， 各成员属性， 各成员权限 和优先级等, 同时组呼寄存器将组呼交换中心地址记录到该组的动态数据中； 步骤 205 , 组呼交换中心收到组信息返回消息后， 根据组内的成员信息 , 用含有组号码的特珠号码做为主叫号码， 向所有成员发起呼叫； 步骤 206 , 组内任何一个成员振铃响应后， 组呼交换中心向 PLMN发送 振铃响应消息， 当组呼交换中心收到后续成员振铃响应消息后， 不再向 PLMN 发送振铃响应消息； 步骤 207 , PLMN向发起呼叫的终端转发该振铃响应消息； 步骤 208 , 组内任何一个成员摘机应答后， 组呼交换中心向 PLMN 回复 摘机应答消息， 当组呼交换中心收到后续成员的摘机应答消息后， 不再向 PLMN发送摘机应答消息； 步骤 209 , PLM 向发起呼叫的终端转发该摘机应答消息； 步骤 210 , 当组呼通话建立后， 如果是半双工组呼， 组呼交换中心才艮据组 信息， 自动将一个或多个话权赋予组中的高级别用户， 例如调度员。 在组呼通 话中， 某个已经具有话权的用户主动释放话权时， 通过移动终端的操作， 例如 按下手机的某个定制功能键， 终端自动发送话权释放短消息， 消息中通过特殊 内容指示该短消息用于话权释放， 同时将组号码填写到短消息的被叫地址中； 步骤 21 1 , PLMN按短消息流程， 将话权释放短消息发送至短消息中心， 其中短消息的主叫地址用该成员的号码填写； 步骤 212 , 短消息中心通过短消息的特殊内容， 识别该短消息为话权释放 短消息， 根据短消息被叫地址中的组号， 向该组的归属组呼寄存器查询组呼交 换中心地址； 步 213 , 组呼寄存器从该組的动态 据中读出目前正在处理该组组呼的 组呼交换中心地址， 返回给短消息中心； 步骤 214 ,短消息中心利用得到的组呼交换中心地址投递话权释放短消息 到组呼交换中心； 步骤 215 , 组呼交换中心通过特殊的短消息内容识别该短消息为话权释放 短消息， 根据短消息被叫地址中的组号， 以及短消息主叫地址中的成员号码， 将该成员由組呼中的发话状态修改为受话状态，并将该组的空闲话权资源加 1； 同时， 构造话权释放证实短消息， 用该成员的号码填写短消息被叫地址， 发送 给短消息中心； 步骤 216 ,短消息中心根据短消息内容识别出该短消息为话权释放证实短 消息， 通过 PLMN将短消息投递给该成员移动终端； 步骤 217, 该成员移动终端接收到话权释放证实短消息， 通过特珠的内容 识别出此短消息为话权释放证实， 可进行有别于普通短消息的特殊处理， 例如 向用户播放话权释放成功的提示音； 步骤 218 , 当某个没有话权的用户需要申请话权时，通过移动终端的操作， 例如按下手机的某个定制功能键， 终端自动发送话权申请短消息， 消息中通过 特殊内容指示该短消息用于话权申请， 同时将组号码填写到短消息的被叫地址 中； 步骤 219, PLM 按短消息流程， 将话权申请短消息发送至短消息中心， 其中短消息的主叫地址用该成员的号码填写； 步骤 220, 短消息中心通过短消息的特殊内容， 识别该短消息为话权申请 短消息， 根据短消息被叫地址中的组号， 向该组的归属组呼寄存器查询组呼交 换中心地址； 步骤 221 , 组呼寄存器从该组的动态数据中读出目前正在处理该组组呼的 组呼交换中心地址， 返回给短消息中心； 步骤 222 ,短消息中心利用得到的組呼交换中心地址投递话权申请短消息 到组呼交换中心； 步驟 223 , 组呼交换中心通过特殊的短消息内容识别该短消息为话权申请 短消息， 根据短消息被叫地址中的组号， 以及短消息主叫地址中的成员号码， 判断如果该组目前有空闲话权资源， 将该成员由组呼中的受话状态修改为发话 状态， 并将该组的空闲话权资源减 1 ; 同时， 构造话权申请证实短消息， 用该 成员的号码填写短消息被叫地址， 发送给短消息中心； 步驟 224 , 短消息中心根据短消息内容识别出该短消息为话权申请证实短 消息， 通过 PLMN将短消息投递给该成员移动终端； 步骤 225 , 该成员移动终端接收到话权申请证实短消息， 通过特殊的内容 识别出此短消息为话权申请证实， 可进行有别于普通短消息的特殊处理， 例如 向用户播放话权申请成功的提示音。 图 3为组呼建立后，某成员申请话权并在一定时间后被强制释放话权的流 程图， 包括如下步骤： 步骤 301 , 当某个没有话权的用户需要申请话权时，通过移动终端的操作， 例如按下手机的某个定制功能键， 终端自动发送话权申请短消息， 消息中通过 特殊内容指示该短消息用于话权申请， 同时将组号码填写到短消息的被叫地址 中； 步骤 302 , PLMN按短消息流程， 将话权申请短消息发送至短消息中心， 其中短消息的主叫地址用该成员的号码填写； 步骤 303 , 短消息中心通过短消息的特殊内容， 识别该短消息为话权申请 短消息， 根据短消息被叫地址中的组号， 向该组的归属组呼寄存器查询组呼交 换中心地址； 步驟 304 , 组呼寄存器从该組的动态数据中读出目前正在处理该組组呼的 组呼交换中心地址， 返回给短消息中心； 步驟 305 ,短消息中心利用得到的组呼交换中心地址投递话权申请短消息 到组呼交换中心； 步驟 306 , 组呼交换中心通过特殊的短消息内容识别该短消息为话权申请 短消息， 根据短消息被叫地址中的组号， 以及短消息主叫地址中的成员号码， 判断如果该組目前有空闲话权资源， 将该成员由組呼中的受话状态修改为发话 状态， 并将该组的空闲话权资源減 1 ; 同时， 构造话权申请证实短消息， 用该 成员的号码填写短消息被叫地址， 发送给短消息中心， 并启动发话定时器； 步骤 307，短消息中心根据短消息内容识别出该短消息为话权申请证实短 消息， 通过 PLMN将短消息投递给该成员移动终端； 步骤 308， 该成员移动终端接收到话权申请证实短消息， 通过特殊的内容 识别出此短消息为话权申请证实， 可进行有别于普通短消息的特殊处理， 例如 向用户播-放话权申请成功的提示音； 步骤 309, 用户申请到话权后一直处于发话状态， 不主动释放话权， 组呼 交换中心启动的发话定时器超时后， 强制将该成员由组呼中的发话状态修改为 受话状态， 并将该组的空闲话权资源加 1 ; 同时， 构造话权强制释放短消息， 用该成员的号码填写短消息被叫地址， 发送给短消息中心； 步骤 310 ,短消息中心根据短消息内容识别出该短消息为话权强制释放短 消息， 通过 PLMN将短消息^：递给该成员移动终端； 步驟 31 1 , 该成员移动终端接收到话权强制释放短消息， 通过特殊的内容 识别出此短消息为话权强制释放， 可进行有别于普通短消息的特殊处理， 例如 向用户播放话权强制释放的提示音。 图 4为成员申清话权失败的流程图， 包括如下步骤： 步骤 401 ,当某个没有话权的用户需要申请话权时，通过移动终端的操作， 例如按下手机的某个定制功能键， 终端自动发送话权申请短消息， 消息中通过 特殊内容指示该短消息用于话权申请， 同时将组号码填写到短消息的被叫地址 中； 步骤 402 , PLM 按短消息流程， 将话权申请短消息发送至短消息中心， 其中短消息的主叫地址用该成员的号码填写； 步骤 403 , 短消息中心通过短消息的特殊内容， 识别该短消息为话权申请 短消息， 根据短消息被叫地址中的组号， 向该且的归属组呼寄存器查询组呼交 换中心地址； 步骤 404,组呼寄存器从该组的动态数据中读出目前正在处理该组组呼的 组呼交换中心地址， 返回给短消息中心； 步骤 405 ,短消息中心利用得到的组呼交换中心地址投递话权申请短消息 到组呼交换中心； 步骤 406,组呼交换中心通过特殊的短消息内容识别该短消息为话权申请 短消息， 根据短消息被叫地址中的组号， 以及短消息主叫地址中的成员号码， 判断如果该组目前没有空闲话权资源 , 构造话权申请证实短消息， 消息中带有 话权申请结果为申请失败， 并用该成员的号码填写短消息被叫地址， 发送给短 消息中心， 并启动发话定时器； 步骤 407 ,短消息中心 4艮据短消息内容识别出该短消息为话权申请证实短 消息， 通过 PLMN将短消息投递给该成员移动终端； 步驟 408, 该成员移动终端接收到话权申请证实短消息， 通过特殊的内容 识别出此短消息为话权申请证实， 并从短消息内容中识别话权申请结果为申请 失败， 可进行有别于普通短消息的特殊处理， 例如向用户播放话权申请失败的 提示音。 当然，本发明还可有其它多种实施例，在不背离本发明精神及其实质的情 况下， 熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形， 但 这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。

Claims

一种在组呼系统中实现话权控制的方法， 其特征在于， 包括如下步驟： 步骤一： 由调度终端或调度台发起并建立组呼，在组呼建立过程中， 组呼交换中心根据从组呼寄存器获得的組数据，建立半双工的组呼通话； 步骤二： 有话权的用户可以通过终端操作进行话权释放， 手动按下 终端上定制的功能键， 终端会自动构造话权释放短消息， 经过移动通信 网络发送到短消息中心权；
步骤三：短消息中心通过短消息中的特珠标识识别出该短消息是话 权释放短消息， 向組呼寄存器查询当前正在处理该组组呼的组呼交换中 步骤四：短消息中心将话权释放短消息发送至正在处理该组组呼的 书
组呼交换中心， 组呼交换中心将该组成员修改为受话状态， 同时记录组 呼的话权已归还状态；
步骤五： 若此时有另一组成员需要发话， 可以通过终端操作进行话 权申请， 手动按下终端上定制的功能键， 终端会自动构造话权申请短消 息， 经过移动通信网絡发送到短消息中心；
步骤六：短消息中心通过短消息中的特殊标识识别出该短消息是话 权申请短消息， 向组呼寄存器查询当前正在处理该组组呼的组呼交换中 心；
步骤七：短消息中心将话权申请短消息发送至正在处理该組组呼的 组呼交换中心， 组呼交换中心将该组成员 改为发话 态， 同时 己录组 呼的话权已分配状态；
步骤八： 循环步驟二至步骤七， 实现组呼中各组成员的话权申请和 释放。 如权利要求 1所述的在组呼系统中实现话权控制的方法， 其特征在于： 所述步驟一， 所述调度终端或调度台发起并建立组呼， 具体包括如下步骤： 步骤 1， 调度终端拨打组呼请求号码向 PSTN发送发起组呼请求消 息， 请求发起组呼；
步骤 2 , PSTN根据被叫号码， 将呼叫路由到拜访地的组呼交换中 心；
步骤 3 , 组呼交换中心根据被叫号码中的组号， 向此组归属地的组 呼寄存器发送组信息请求消息， 请求本组的组信息；
步骤 4 , 组呼寄存器收到组信息请求消息后， 根据组号搜索对应的 组信息， 并通过组信息返回消息向组呼前置机返回本组的组信息；
步骤 5 , 组呼交换中心收到组信息返回消息后， 根据组内的成员信 息， 用含有组号码的特殊号码做为主叫号码， 向所有成员发起呼叫； 步骤 6 , 组内任何一个成员 ·ί展铃响应后， 组呼交换中心向移动通信 网络发送振铃响应消息，当组呼交换中心收到后续成员振铃响应消息后， 不再向移动通信网络发送振铃响应消息；
步骤 7, 移动通信网络向发起呼叫的终端转发该振铃响应消息； 步骤 8 , 组内任何一个成员摘机应答后， 组呼交换中心向移动通信 网络回复摘机应答消息， 当组呼交换中心收到后续成员的摘机应答消息 后， 不再向移动通信网络发送摘机应答消息；
步骤 9 , 移动通信网络向发起呼叫的终端转发该摘机应答消息。 如权利要求 1所述的在组呼系统中实现话权控制的方法， 其特征在于： 所述步骤四，
所述组呼交换中心通过特殊的短消息内容识别该短消息为话权释 放短消息， 根据短消息被叫地址中的组号， 以及短消息主叫地址中的成 员号码， 将该组成员由组呼中的发话 ^ 态 4爹改为受话状态， 并将该組的 空闲话权资源力 p 1 ; 同时， 构造话权释放证实短消息， 用该组成员的号 码填写短消息被叫地址， 发送给短消息中心。 如权利要求 1所述的在组呼系统中实现话权控制的方法， 其特征在于： 所述步骤七，
所述组呼交换中心通过特殊的短消息内容识别该短消息为话权申 请短消息， 根据短消息被叫地址中的组号， 以及短消息主叫地址中的成 员号码， 判断如果该组目前有空闲话权资源， 将该纽成员由组呼中的受 话状态 ~改为发话状态， 并将该组的空闲话权资源减 1 ; 同时， 构造话 权申请证实短消息， 用该成员的号码填写短消息被叫地址， 发送给短消 息中心， 并启动发话定时器。 如权利要求 4所述的在组呼系统中实现话权控制的方法， 其特征在于： 如果该组短消息中目前没有空闲话权资源，构造话权申请证实短消 息， 消息中带有话权申请结果为申请失败， 并用读组成员的号码填写短 消息被叫地址， 发送给短消息中心， 并启动发话定时器。 权利要求 4所述的在组呼系统中实现话权控制的方法， 其特征在于： 用户申请到话权后一直处于发话状态， 不主动释放话权， 组呼交换 中心启动的发话定时器超时后， 强制将该成员由组呼中的发话状态修改 为受话状态， 并将该组的空闲话权资源加 1 ; 同时， 构造话权强制释放 短消息， 用该成员的号码填写短消息被叫地址， 发送给短消息中心， 同 时记录组呼的话权已归还状态。 如权利要求 1所述的在组呼系统中实现话权控制的方法， 其特征在于： 在组呼的话权已分配状态下，组呼交换中心可以忽略其他成员的话 权申请。 如权利要求 1所述的在组呼系统中实现话权控制的方法， 其特征在于： 可扩展实现一个组中具有多个话权的处理， 即同时可以有多个成员 发话的控制。
PCT/CN2006/003764 2006-10-13 2006-12-30 Procédé visant à réaliser le contrôle du droit à la parole dans un système d'appel de groupe WO2008046269A1 (fr)

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