Method, system and user terminal for realizing group call in ptt system

Abstract

The present disclosure relates to a method, system and user terminal for realizing a group call in a PTT system. The method includes acquiring group information related to the user, where the group information at least includes a group identifier and group priority information associated with the group identifier; when the user is in a first group call, responding to other group calls For group-to-user calls, receive the paging message initiated by the PTT server to the user. The paging message contains at least the identification information of other groups; query the priority of other groups according to the obtained group information and identification information of other groups , compare the priority of other groups with the priority of the first group, if the priority of other groups is higher than the priority of the first group, hang up the call of the first group and connect the other groups group calls, otherwise, reject calls from other groups and continue to hold calls from the first group. The disclosure reduces the group call delay and the workload of the PTT server.

Description

technical field [0001] The present disclosure relates to the field of digital trunking communication, in particular, to a method, system and user terminal for realizing group calling in a PTT system. Background technique [0002] PTT (Push to Talk) / digital trunking communication service is also called "Push to Talk" service, which refers to "point-to-point" and "point-to-multipoint" voice communication services. The PTT service adopts the half-duplex communication method, that is, only one person can speak at the same time, so as to facilitate group communication. The calling party can initiate a call to one person or a group of people by pressing a button, without dialing or waiting for the other party to pick up the phone. The call was connected immediately and the call was established quickly. [0003] PTT / digital trunking communication system can be divided into private network system and common network system in terms of operation mode. [0004] The private network sy...

AI Technical Summary

Problems solved by technology

[0006] At present, the storage and control of system priority are implemented by the PTT server, and the process is relatively complicated: when a group call arrives at the PTT server, the server side needs to query the status of each user in the group corresponding to the group call one by one. When making a group call, compare the priorities of the old and new calls. If the priority of the new call is higher, the server initiates the operation of hanging up the old call and then connecting the new call one by one for each involved user, especially when When there are many users involved in a group call, the server will be heavily burdened. At the same time, judging the status of each user on the server side will seriously increase the call delay and significantly reduce the user experience.

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