Product description
Supported protocols: SIP (RFC2543, RFC3261), TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP (server/client), NTP/SNTP, TFTP/FTP
Two 10/100M Ethernet ports, support NAT and bridge mode
Voice codecs: G.711a/u, G.723.1,G.729A/B, G.726
Voice quality enhancement: Qos, VAD, CNG, adaptive jitter buffer, G.165 16ms echo cancellation
Support 3 SIP accounts
NAT traversal: STUN, outbound proxy
Auto configuration and upgrade via TFTP, FTF, HTTP, manual configuration via keypad, webpage, and Telnet
Extensive phone features: caller ID call waiting, music on hold, call transfer(attended/blind), do-not-disturb, call forwarding,
Dial plans, speed dial, 3-way calling, phonebook, call log, hands-free, call timer, send anonymous cid, use authentication
Signaling tone of ITU-T standard, DTMF detection and generation
Support T.38 fax, VLAN, DMZ, DDNS, Mac clone, virtual server, SIP encrypt
Approval/certification: FCC, CE