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 IP-PBX Total Solution

AddPac technology is not just a vendor of providing IP-PBX and PTT server. It provides various equipment groups such as various RTP proxies, presence server, VoIP, media gateway, audio/video terminal, external audio/video MCU, IP audio/video broadcast, VoD solution, network DVR, audio/video recording solution, and traffic controller QoS device solution for customer network environment. An upcoming ALL IP based multimedia telephony environment emphasizes the importance of integrates solution for each territory and total integrate solution due to various audio/video resources should be used/shared on IP network. AddPac IP-PBX solution is designed to consider the multimedia integrate solution so that it satisfies the various needs of customer.

AddPac’s various IP telephony solution series and multimedia network devices are widely recognized in domestic and international market. With our accumulated experiences/know-how in enterprise market and communication market, AP-PTS3000 server will give the highest satisfaction for a customer who demands IPNext IP-PBX series along with next generation IP-PBX solution.

Network Diagram

AddPac Technology