Fanvil PA2S is a SIP paging gateway that uses the standard IP/RTP/RTSP protocol for media streaming. It sets a variety of functional interfaces in one: broadcast, recording, intercom, security. Through the connection of the external devices to achieve audio and video intercom, broadcast, security trigger and other practical functions, Fanvil PA2S can apply to multiple scenarios to deploy the equipment. The size of the device is small, which is suitable for DIY applications of various integrated solutions.