Non-real-time voice calling method, trunking communication system and its control device and terminal

Abstract

The invention discloses a control apparatus, a calling terminal, a called terminal, a trunking communication system, and a non-real-time voice calling method. The non-real-time voice calling method comprises: the control apparatus receives a request signaling sent by the calling terminal; the control apparatus detects spare uplink resources of a current auxiliary control channel, and if the spare uplink resources are longer than the voice duration, a confirmation signaling is sent to the calling terminal so that the calling terminal is indicated to switch to the auxiliary control channel; the control apparatus sends an uplink voice and an allowing signaling to the calling terminal; the control apparatus detects spare downlink resources of the current auxiliary control channel, and if the spare downlink resources are longer than the voice duration, an invitation signaling is sent to the called terminal so that the called terminal is indicated to switch to the auxiliary control channel; and the control apparatus sends voice information to the called terminal in the auxiliary control channel. According to the technical scheme, the possibility of user rejected calling or queuing is reduced, and the utilization efficiency of wireless resources of the trunking communication system is increased.

Description

technical field [0001] The invention relates to the field of trunking communication, in particular to a non-real-time voice call method, a trunking communication system and its control device and terminal. Background technique [0002] The trunking communication system is a mobile communication system used for group dispatching and command communication, and is mainly used in the field of professional mobile communication. The available channels of the system can be shared by all user terminals of the system, and have the function of automatic channel selection. It is a multi-purpose and high-efficiency wireless dispatching communication system for sharing resources, sharing costs, and sharing channel equipment and services. [0003] The main voice services of the trunking system can be divided into group calls and individual calls. Among them, in the group call service, multiple user terminals can be compiled into a talk group through the user terminal code, and the user t...

AI Technical Summary

Problems solved by technology

However, the traffic channel resources under a base station are limited after all. Once there is no idle traffic channel in the system, once another group of user terminals initiate a group call or individual call, the system can only refuse or queue up to wait for the existing call service After the end, the occupied service channel can only be reassigned to a new group call or single call service after it is released.

[0010] In addition, in some trunking systems with auxiliary control channels, the auxiliary control channels cannot initiate voice group calls or individual calls (because user terminals need to perform specific periodic services, it is impossible to configure them as traffic channels) , and at the same time, many periodic idle channel resources are not utilized on the auxiliary control channel, thus causing a waste of wireless channel resources on the auxiliary control channel

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