A METHOD AND AN APPARATUS FOR REGISTERING A USER IN A GROUP COMMUNICATION NETWORK

摘要

A method and apparatus for registering a user in a group communication network provides for determining an address for a location server, requesting the location server to register the user, and receiving a notification from the location server that the user is registered. The method further provides for requesting the location server to authenticate the user before registering the user, and requesting the location server to load information about the user. The method and apparatus also provides for a significant reduction in the actual total dormancy wakeup time and latency by exchanging group call signaling even when mobiles are dormant and no traffic channel is active.