Handover method and apparatus for voice group calls in a mobile communications system

摘要

The present invention relates to GSM networks, services and functionality provided by such networks. In particular, the present invention relates to a Voice Group Call Service provided in GSM networks, which is a teleservice for Private Mobile Radio applications. Aspects of the present invention relate to methods and apparatus for enabling handover in relation to Voice Group Calls, specifically Inter Mobile Switching Centre MSC handover for Voice Group Calls, and handover for Voice calls to and from a dedicated channel.