Detailed Product Description

Compliant with IEEE 802.3, 802.3u 10/100M Ethernet standard  Supports SIP 3261 (Radvision SIP stack), TCP/UDP/IP, RTP/RTCP, HTTP, ICMP, ARP,DNS, and DHCP  Interoperable with various third party SIP end user devices  Supports popular voice-coders including G.729, and G.711 (A-law and µ-law)  Supports standard voice features such as Caller ID, Consultation Hold, Call Waiting, Blind Call Transfer,Attended Call Transfer, Call Forwarding, Mid-Call DTMF (only using RTP)and 3-Way Conferencing  Supports Silence Suppression, VAD (Voice Activity Detection), CNG (Comfort Noise Generation) , and Line Echo Cancellation  Supports DIGEST authentication (MD5 only)  Provides easy configuration through a web interface and limited configuration through through the handset dial-pad  Voice over data prioritization ensure high-quality telephone service  Supports Local PSTN call transfer to VoIP call or VoIP call transfer to local PSTN call  Selective PSTN / VoIP voice communications  PSTN Backup support through Hardware Relayapplicable when power is down or when WAN interface is down (Optional)  STUN support for NAT traversal