| 摘要 |
PURPOSE: A PTT call process method using IP PBX is provided to transmit an invite message to a receiving PTT terminal by analysis of an invite message. CONSTITUTION: A PTT(Push To Talk) server(200) transmits an invite message to receiving PTT terminal within a PTT group. The receiving PTT terminal transmits response about the invite message. The reception PTT terminal sets up the PTT server and communication bearer. |
