There are 2 versions of Tonmind SIP PCB Board, SIP-K20-M and SIP-K20C-M. They have the same specification except that SIP-K20C-M comes with camera module. They have built-in 15W amplifier, interface of MIC, Speaker, Alarm input and Reset.

Both version of PCB SIP can be used in speaker, IP intercom or door phone project. If you need video input, then you can choose SIP-K20C-M. Otherwise, SIP-K20-M is workable. Both IP Board are compatible with VoIP devices and ONVIF VMS. Both support two way communication, pre-recorded messages, schedule play, GPIO in, HTTP control.

Tonmind has developed audio management software that can manage IP Audio including these speaker network board. The software are Tonmind Audio manager, PA System Lite and PA System Pro. 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.

SIP-K20-M & SIP-K20C-M Diagram: