Trunk communication system, server and communication method

A cluster communication and application server technology, applied in transmission systems, wireless communications, digital transmission systems, etc., can solve problems such as many network elements, no description of the MCPTT architecture deployment plan, and complex architecture.

Active Publication Date: 2015-05-13
SHANGHAI HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the prior art, the logical functional entities of the MCPTT architecture are not divided, and the specific deployment plan of the MCPTT architecture is not described; an

Method used

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  • Trunk communication system, server and communication method
  • Trunk communication system, server and communication method
  • Trunk communication system, server and communication method

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Embodiment Construction

[0062] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0063] It should be understood that although the terms first, second, etc. may be used to describe each user or terminal in the embodiment of the present invention, the user or terminal should not be limited to these terms. These terms are only used to distinguish users or terminals from each other. For example, without departing from the scope of the embodiments of the present invention, a first user may also be referred to as a second user, and similarly, a second user ...

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PUM

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Abstract

The embodiment of the invention discloses a trunk communication system, a server and a communication method. The trunk communication system in the embodiment of the invention comprises a trunk application server, a home subscriber server, a signaling access and intercommunication gateway, a group management function module and a media resource processing module, wherein the trunk application server is used for receiving a call request of a first subscriber terminal forwarded by the signaling access and intercommunication gateway and transmitting a query message to the trunk management function module after determining that the call request is group call service; the group management function module is used for querying corresponding group information according to the query message; the trunk application server is also used for indicating the media resource processing module to establish carrier for the first subscriber terminal and other group members in the group information after receiving a return message of the group information and initiating a session setup request to the other group members in the group information. According to the embodiment of the invention, logic entity partitioning and system allocation are performed on an MCPTT (Mission Critical Push To Talk) frame to facilitate trunk delay optimization.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a cluster communication system, server and communication method. Background technique [0002] With people's demand for broadband services, such as video calls and pictures, trunking communication is evolving towards broadband. LTE (Long Term Evolution, long-term evolution) is the most advanced mobile broadband system today, so LTE-based broadband trunking has become the direction of future development, so in order to meet the needs of broadband trunking, SIP (Session Initiation Protocol, Session Initiation Protocol) must be supported . [0003] PoC (Push to Talk over Cellular, push to talk function based on public cellular network) is a PTT (Push to Talk, Push to Talk) service in the public cellular mobile communication network. PTT, also known as "Push to Talk", originated from trunking communication technology. PTT realizes the mobile voice service of Walkie-Talkie (w...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/58H04W4/10H04W76/02
CPCH04W76/10H04L51/10H04L65/403H04L67/14H04W4/10
Inventor 董颖李海月刘绍峰李靖杨艳梅
Owner SHANGHAI HUAWEI TECH CO LTD
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