SYSTEM AND METHOD OF PROVIDING PUSH-TO-TALK SERVICE FOR IMPROVING QoE

The present invention relates to a PTT service system and method for improving the user quality of service, transmitting the talk burst request message to the RTCP format including the transmission time information and the loss of a talk burst request message for retransmission at the time of loss of the talk burst request message PTT client and transmitting the application to the transmission time information of the talk burst request message; Transmitting a response message to the talk burst request message, and consists of a PTT server that the faster the transmission time assigned to the high release priority, as well as to enhance the service reliability even if the talk burst request message is lost just to PTT client by giving a presentation rankings can improve your quality of service. PTT (Push-to-Talk), PoC (Push-to-Talk over Cellular), floor request message, PTT client, PTT server