Function Highlights: - Compatible with standard SIP (RFC3261) protocol and main IP PBX/IMS platforms. - All-in-one and wall-mounted design, integrated with network audio codec, digital amplifier and speaker. - Adaptive output power according to the power supply voltage (10W-30W). - Video linkage with IP camera to monitor on-site during broadcasting. - Volume adjustment via online remotely. - Built-in audio output interface for external active speakers. - Standard RJ45 port, support across different network segments and routers.