voip gateway

Detailed Product Description
Support Centnet EasyTrans Supprot STUN Support Three sip servers running at the same time. Call Forward, Call Transfer, 3-way conference calls NAT Support Simple firewall Adjustable audio Frames Adjustable Payload Size Dynamic programmable Jitter Buffer Echo Cancellation VAD-Voice Activity detection CNG- Comfort Noise Generation QOS Set Support Gain Adjustment Ral Time Fax via T.38 Frame Loss Concealment Caller ID Generation Display Number Support Auto Busy Learning Plug and Play technology Web interface, Telnet, Console and Phone Telephone Key Pad Configuration Through IVR Invert Signaling Detect and Generation Master，Slave Server Support Protocol Support SIP 2.0 DHCP Client DHCP Server PPPoE Client RTP/RTCP IP/TCP/UDP/ICMP DiffServ SNTP(SIP verion) G.165 and G.168-2002,with 16,25ms tail length T.38 G.711/G.723.1/G.729/G.726 Physical Interface One Rj45 port WAN Ethernet 10/100baseT One Rj45 port LAN Ethernet 10/100baseT Three Rj11 FXS Port or 2 FXS Port and 1 FXO Port. Size: 17x10x2.7cm(LxWxH)。