Voip intercom module, DIN-rail mountable, clips included. Add VoIP/CCoIP to your parking solution, cash point, vending machine. Build your own IP Intercom station or help point. Makes your own 10W IP Speaker.Control relay and I/Os over IP. Supports AlphaCom, Pulse and SIP (for use with any IPBX). Supports a wide set of IP networking standards. Remote software upgrade, configuration and Monitoring. Powered from the IP network cable using Power over Ethernet (PoE). Advanced audio technology like automatic gain and volume adjustment, background noise cancellation, open duplex, etc.