ATA with 1 FXS port 1 FXO port

ATAMSQ-1002 with 1 FXS port +1 FXO prot 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 SupportProtocol 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.726Physical 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.Size: 17x10x2.7cm(LxWxH).