Q8910 10.1" IPS Touch Screen Android Tablet With POE Support SIP Intercom

Q8910 10.1" IPS Touch Screen Android Tablet With POE Support SIP Intercom The Session Initiation Protocol (SIP) is a communications protocol for signaling and controlling multimedia communication sessions. The most common applications of SIP are in Internet telephony for voice and video calls, as well as instant messaging, over Internet Protocol (IP) networks. So it is very suitable to use for doorbell monitors as it can be onwall vesa mount. Unique Point: POE(Power over