VoIP Phone, SIP, TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP Supported Protocols

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Basic Info

Payment Type:	Telegraphic Transfer in Advance (Advance TT, T/T)

Product Description

Supported protocols: SIP (RFC2543, RFC3261), TCP/UDP/IP, PPPoE, RTP/RTCP, HTTP, ARP/RARP, ICMP, DNS, DHCP (server/client), NTP/SNTP, and TFTP/F

Two 10/100M Ethernet ports, supports NAT and bridge mode

Voice codecs: G.711a/u, G.723.1, G.729A/B, G.726

Voice quality enhancement: QoS, VAD, CNG, adaptive jitterbuffer, G.165 16ms echo cancellation

Supports three SIP accounts

NAT traversal: STUN, out bound proxy

Auto-configuration and upgrade via TFTP, FTP, HTTP

Manual configuration via keypad, Web page, and Telnet

Extensive phone features: caller ID, call waiting, music onhold, call transfer (attended/blind), do-not-disturb, and call forwarding

User authentication

Signaling tone of ITU-T standard, DTMF detection, and generation

Supports T.38 fax, VLAN, DMZ, DDNS, Apple's Mac clone, Virtual server, and SIP Encrypt

Approvals/certificates: FCC, CE

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