VoIP gateway

Detailed Product Description

Supports SIP 2.0, TCP/UDP/IP, RTP/RTCP, ICMP, ARP/RARP, NTP, PPPoE, TFTP, HTTP, etc

Supports G.711 (alaw and u-law), G.723.1 (5.3K/6.3K), G.726 (40K/32K/24K/16K), G.728, G.729A/B and iLBC..

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

Supports standard voice features such as Call keeping, Call Waiting, Hold, Transfer Forward, FLASH; Supports three way conference

Supports VAD, CNG, AGC, the echo cancellation (G.168) and Silence suppression.

Supports layer 2 (802.1Q VLAN, 802.1p) and layer 3 QoS (ToS, iffServ, MPLS)

Powerful remote management by TFTP or HTTP mode.

To dispose through the browser or the voice hint.

Supports auto-crossing firewall (NAT);

Support CALL Progress free enactment function.

Support the volume adjustment of gateway

Support SIP encrypts mode, avoid force-out

Support remote upgrade and upgrade configuration function

Supports passing through and T.38 fax mode.