Method for implementing caller priority in voice group call service

A voice group call service and priority technology, applied in the directions of wireless communication services, nan, electrical components, etc., can solve the problem of the voice group call service not being provided, and achieve the effect of ensuring timely processing

Inactive Publication Date: 2009-07-22
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Aiming at the problem that the voice group call service in the current GSM-R system does not provide speaker priority, resulting in the MSC being unable to handle simultaneous applications by mult

Method used

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  • Method for implementing caller priority in voice group call service
  • Method for implementing caller priority in voice group call service
  • Method for implementing caller priority in voice group call service

Examples

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Embodiment Construction

[0046] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0047] figure 1 It is a flow chart of the method for realizing speaker priority of voice group call service provided by the present invention. figure 1 Among them, the present invention comprises the following steps:

[0048] Step 1: Add a trigger point for preempting the uplink channel with a high priority in the user terminal by adding a character string and preempting the uplink key. High-priority uplink access can be achieved through a string of characters "*000#" plus a preemption uplink key. The character string set to realize high-priority uplink access can be set arbitrarily by the manufacturer, but it must be indicated in the manual, and it cannot be different from the existing specific character string (name...

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Abstract

The present invention discloses a method for realizing speaker priority of sound group calling in the technical field of mobile communication. The technical scheme of the invention is that the method comprises the following steps: installing a high priority on the user terminal for seizing the triggering point of uplink channel; writing the priority information of user into HLR and SIM cards; when the uplink channel is idle, accessing the network by the user according to a priority mode that the uplink channel is idle or a common mode; when the uplink channel is busy, determining to apply the network accessing of user or refuse the network accessing of user according to the priority state supported by network as well as the priorities of application user and present speaker; when the application user has the right for accessing the network, executing the uplink channel distribution and seizing of application user. The invention settles the problem that the MSC can not determine the distribution of channel when a plurality of users simultaneously apply group calling channel. Simultaneously, the group calling channel is preferably distributed for the user with high priority for using, and the in-time processing to emergency is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of mobile communication, and in particular relates to a method for realizing speaker priority of voice group call service. Background technique [0002] GSM-R (GSM-Railway, railway integrated digital mobile communication system) is based on GSM public mobile communication technology, a railway integrated digital mobile communication system that develops together with GSM and can replace various existing railway communication and control systems with a single platform . [0003] VGCS (Voice Group Call Service, Voice Group Call Service) is an advanced voice call service provided by GSM-R. It defines a multi-party participation (mobile station or fixed-line telephone), some of whom can speak and multi-party listening point-to-multipoint voice communication. Voice group call breaks through the limitations of point-to-point communication, and can establish a group call in a simple and quick way to realize speci...

Claims

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Application Information

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IPC IPC(8): H04W4/00H04W84/08
Inventor 朱刚钟章队陈皓赵留俊艾渤丁建文吴昊熊磊陈霞
Owner BEIJING JIAOTONG UNIV
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