| 摘要 |
<p>A method for establishing group call, includes steps: when user starts group call, network side of GSM group communication system indexes the group that the user belongs to according to the group call identifier carried in the group call starting message from the user. And calling other users in the group in turn into the group that the user called according to other user identifiers in the group, so that accomplishing establishment of group call. The present invention also provides a system for establishing group call corresponding to the method. The present invention can save NCH channel resource and increase running quality of group call communication service in GSM group communication system.</p> |
