IP Phone

Key Features and Compatibility:

Support two models: Bridge and Router (NAT&NAPT)

Network Protocols: TCP/UDP/IPICMP, HTTP, DHCP, Client WAN Interface, DHCP Server, LAN Interface, DNS Client, DNS Relay, SNTP, PPPoE, FTPTFTP, SIP

Voice Codes: G.711 A-law/U-law G.723.1G.729A/BG.726,and G.722

Redundancy SIP server (or Gate Keeper): Can auto swap address between two servers address

NAT transversal: Support STUN client, AVS and Citron etc. Can modify SIP register port, HTTP server port, Telnet server port and RTP port.

Support two SIP server synchronously,

Can register two different SIP servers,

Support POE (Power Over Ethernet),

Support standard voice features such as numeric, Caller ID Display, Call Waiting, Hold, Transfer, Do-Not-disturb, Forward, in-band and out-of-band DTMF, Hotline (off hook autodial), auto answer,

Full duplex hands-free speakerphone, redial, call log, volume control, voice record with indicator

Support standard encryption and authentication (DIGEST using MD5, MD5-sess)

Support Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control)

Support firmware upgrade via TFTP/FTP and HTTP

Support syslog, can send event of phone to syslog server.

For more info of our products, logon on our website please!