commands are also available. Software developers can write their own audio applications with custom features.

Functional Features

l Standard RJ45 network interface, providing online remote upgrade of firmware;

l ARM+DSP-based architecture with high-speed industrial-grade chips, with a start-up time of ≤ 1 second;

l Support SIP v1 (RFC2543), v2 (RFC3261) and other network protocols

l Supports audio decoding protocols such as wideband G.722, narrowband G.711a/u and MP3

l Support RTP multicast playback protocol, support 10 priority levels, high priority audio can interrupt the low priority

l Support our private broadcasting protocol, you can broadcast shouting, timer ringing and other operations through our broadcasting software

l Provide PC-based IP and other parameters setting procedures

Technical parameters

l Network interface: 10/100Base-TX adaptive network, RJ45 interface, send and receive data instructions

l Network protocols: Support SIP v1 (RFC2543), v2 (RFC3261), TCP, UDP, RTP, ARP, ICMP, DHCP, DNS, IGMP, etc.

l Line output: external active speaker or amplifier, typical amplitude 2200mVpp

l Relay output: Automatic control output

l Input voltage: DC 9~24V

l Power consumption: static <300mW

l Operating temperature: -40～85℃

l Specification size: 130×85×30mm

l Panel: Aluminum alloy housing

l Weight: 0.2kg

l Installation: wall-mounted external installation