Patent ID: 9154921
Filing Date: 2015-10-06
Classification: H04W

Abstract:
1. A method for sharing user information performed at a group communication server (GCS) in a wireless communication network outside of a call setup, the method comprising: receiving a group message from an originator, the group message including group information about a designated group of targets and an availability information request about the designated group of targets; transmitting an alert to the designated group of targets, including a first target and a second target; determining first availability information about the first target of the designated group of targets based on a response or lack of response from the first target, wherein, if there is a response, the first availability information about the first target is determined based on the response, and if there is no response, the first target is determined to be unavailable; determining second availability information about the second target of the designated group of targets based on a response or lack of response from the second target, wherein, if there is a response, the second availability information about the second target is determined based on the response, and if there is no response, the second target is determined to be unavailable; and transmitting, outside of a call setup, group availability information to the originator that includes the first availability information about the first target and the second availability information about the second target, wherein the first availability information includes information as to whether the first target is registered.