PRODUCT OVERVIEW:

- Supports SIP 2.0(RFC 3261), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP/RARP, DNS, DHCP (both client and server), NTP, PPPoE, STUN, TFTP, etc.

- Built-in router, NAT, Gateway and DMZ port forwarding. Can also be configured to function as a two Ethernet ports bridge (NAT function is disabled)

- Powerful digital signal processing (DSP) to ensure superb audio quality; advanced adaptive jitter control and packet loss concealment technology

- Support various codecs including G.711 (PCM a-law and u-law), G.723.1 (5.3K/6.3K), G.726 (32K), as well as G.729A and iLBC

- Support Caller ID/name display or block, Call waiting caller ID, Hold, Call Waiting/Flash, Call Transfer, 3-way conference (on Rev. 2.0), Call Forward, in-band and out-of-band DTMF, etc.

- Support fax pass through (for PCMU and PCMA) and T.38 FoIP (Fax over IP)

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

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

- Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS)

- Support automated NAT traversal without manual manipulation of firewall/NAT

- Support device configuration via built-in IVR, Web browser or encrypted configuration files through TFTP or HTTP server

- Support firmware upgrade via TFTP or HTTP

- Support PSTN pass through (on Rev.2.0)

- Support SIP Session Timer

- Support Syslog (on Rev.2.0)

- Ultra compact (wallet size) and lightweight design, great companion for travelers

- Compact, lightweight Universal Power adapter