VoIP Adaptor supports 3 sip servers running at the same time,Call Forward, Call Transfer, 3-way conference calls...

VoIP Adaptor with 1 FXS  port +1 Escape port

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 Two Rj11 FXS Port or 1 FXS Port and 1 FXO Port(Escape)Size: 10 x 8.5 x 2.7 cm (L x W x H).

VoIP Adaptor with 1 FXS port +1 Escape port(Lifeline)