SIP v1 (RFC2543), v2(RFC3261) Support Route,Two 10/100Mbps MACs Support T.38(Doing) IP/TCP/UDP/RTP/RTCP IP/ICMP/ARP/RARP/SNTP TFTP Client/DHCP Client/ PPPoE Client Telnet/HTTP Server DNS Client NAT/DHCP Server Support G.723.1 5.3k/6.3k,G.729,G.711 A-Law、μ-Law audio codec algorithm Dynamic voice detection Echo cancellation Comfort noise generation Tone generation and Local DTMF generation and detection according with ITU-T Settings by HTTP web browser (IE6.0) Advanced settings by Telnet Voice prompt Upgrade by TFTP
Main chip: 32-bit RISC CPU with 125MHz clock rate Data storage:2MB SDRAM Program memory: 1MB Flash memory Application Network environment: Two 10/100Mbps Fast Ethernet MAC Echo cancellation:G165 16ms Store quick dial number: 100 Record phone number of missed call:80 Power loss:2.7W(max) Power adapter: input AC 220V,output DC 9V 500mA
Ambience temperature 0-40°C(32-104°F) Relative humidity 10-95% Atmosphere pressure 86-106Kpa Overall size:113 x 80 x 28 mm (L x W x H)