Patent ID: 9565536
Date: 2017-02-07
CPC Classifications: H04W

Claim:
1. A method for transmitting location information of a wireless communication device comprising: receiving, at the wireless communication device from a base station, a push-to-talk (PTT) communication; starting or resetting, by the wireless communication device, a timer upon receiving the PTT communication; determining, by the wireless communication device, that the PTT communication is a group call; in response to the determining that the PTT communication is a group call, transmitting, by the wireless communication device, the location information of the wireless communication device to a PTT server; comparing, by the wireless communication device, a newly received location information of the wireless communication device with a stored location information of the wireless communication device; and in response to determining that the newly received location information differs from the stored location information, sending, by the wireless communication device, the newly received location information to the PTT server while the timer is still running.