MEDIA SYSTEM OF POC, DEVICE AND MTHOD AS THE SAME

摘要

An AD method of PoC (Push to talk over Cellular) is provided, which includes the steps: receiving the session request from the calling PoC terminal device; requesting the session to the called PoC terminal device ; controlling the AD server and the calling PoC terminal device and/or the called PoC terminal device to accomplish early media negotiating; sending the notice message playing the individuation media AD to the calling PoC terminal and/or the called PoC terminal device to the AD server; playing the individuation media AD to the calling PoC terminal device and/or the called PoC terminal device according the notice message. A PoC AD system, PoC controlling server, AD server and PoC terminal device are provided, too. it is realized by the present solutions to play the PoC AD service of individuation AD by means of early media to the PoC terminal device to improve the user's experience by playing the individuation media AD to the calling PoC terminal and/or called PoC terminal device.