PTT (Push-to-Talk) server AP-PT3000 interworks with IPNext IP-PBX in AddPac next generation IP-PBX solution. It supports Push-to-Talk service function for LMR gateway, WiFi Phone. IP based Push-to-Talk service is easy to interwork (cable, wireless) compare to pure radio based Push-to-Talk service and it has no local limitation.

It also provides internet phone function with PTT function concurrently. AP-PTS3000 PTT server supports basic Dial-Out based PtP (Point-to-Point) PTT service, Multi-Group, and Multi-Session PTT service. An audio broadcasting function for PTT service is core technologies of PTT server function. It performs broadcasting function of audio information which is transmitted from IP terminal in each group End-Point and each session End-Point and broadcast to the each group or to the entire IP terminal. PTT service causes a lot of load because it has to broadcast real time audio information to the different IP terminal so it requires high performance processing.

AddPac AP-PTS3000 PTT server is designed on the basis of high performance embedded RISC which supports firmware upgrade. It is an ideal product for medium and large size corporation and support Push-to-Talk service by interworking with AddPac IP-PBX, WiFi phone, and various IP phone products.

IP based PTT Call Service Examples


Multi PTT Group Service


Simultaneous PTT and VoIP Call Service


Emergency PTT Call Service

AddPac Technology