Tonmind SIP Paging Adapter SIP-T20 is simple and slim design with black color. It has built-in 15W amplifier, interface of MIC input,  Headset output,  Speaker output, GPIO Alarm input,  GPIO Alarm output, Relay Alarm output.

With this SIP Paging Gateway, field customer can connect analog speaker or amplifier so as to realize SIP Speaker or SIP Intercom function. Besides, it can also connect Alarm and MIC. The Paging Adapter is compatible with VoIP devices and ONVIF VMS. It supports two way communication, pre-recorded messages, schedule play, GPIO in, HTTP control. It's perfect to be applied in Speaker, Intercom / Door Phone project.

We've developed three software that can manage this IP Paging Adapter: Tonmind Audio manager, PA System Lite and PA System Pro software. Tonmind Audio Manager supports RTP Multicast. Tonmind PA System Lite and PA System Pro has built-in server that support SIP and RTP Multicast. PA System Pro also supports client & server end. They all support playing various audio sources from SIP call, live radio, local media player, universal windows media player (for example, Spotify, iTunes, VLC, etc. ) They all support function of Controlling zones, contents, rings, scheduling, volume. Perfect for a wide range of audio system, for example school, retail, commercial centers, etc.