CALL GROUP SET UP, MANAGING A GROUP CALL AND COORDINATION OF GROUP CALLS

摘要

Coordination of group calls involving mobile terminals in telecommunications networks. In one embodiment it is provided a method of managing a group call involving a plurality of mobile communications devices, said plurality of mobile communications devices being registered with a telecommunications network via a serving node, in which at least a first of said radio access nodes has established a data communications channel with a mobile communications device of the plurality for conducting the group call, the method comprising: identifying a radio access node adjacent the first radio access node; defining a Group Call Area on basis of the first and adjacent radio access nodes; and establishing a signalling channel within a cell corresponding to said adjacent radio access node, said signalling channel having an identifier corresponding to the Group Call Area. In another embodiment, a group call area is defined using a Group identifier received at a serving node.