S402 VoIP Gateway

Detailed Product Description
This 2 FXS + 2FXO stand-alone VoIP Gateway carries both voice and facsimile over the IP network.It suporrts H.323 and SIP call control protocols. S402 is compatible with all H.323 v2/v3/v4 IP telephony products, including the entire soundwin Voice Gateway line.VoIP Key Feature: Both support H.323 and SIP protocols: H.323 Gatekeeper Registration, SIP Registration and Digest Authentication. Stackable VoIP Architecture: Stackable SIP calls with multiple VoIP Gateways. Caller ID Delivery and Detection: FXS support DTMF&FSK Caller ID generation; FXO supports DTMF&FSK Caller ID detection. (Optional) Smart VoIP call Dialing Book: VoIP call Book could provide any application VoIP call to any type destination (Domain name/IP address, PSTN or PBX) or hunting number setting. AC termination Impedance : 600/900 OHM and complex impedance Polarity Reversal Detection: Type I and Type II NAT traversal: This feature allow gateway to operate behind any NAT/Firewall device. There is no need to change any configuration of NAT/Firewall like setting virtual server. Smart-QoS Guaranteed: This bandwidth management feature provide good voice quality when reserve bandwidth for voice traffic when VoIP call proceeds. user place VoIP call and access internet at the same time. The gateway will automatically start to Voice channels status display: This function display each port status like as onhook, offhook, calling number callee's number, talk duration, codec type. Pulse Dial support: Support pulse dialing generation and detection.(Optional) Flash Detection and Generation Program: FXO support Flash Generation and FXS support Flash Detection. Telephony Specifications: Voice Codec: G.711(A-law / -law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps) FAX support : T.30 / T.38 Echo Cancellation: G168-2000 FXO Caller ID detection : DTMF and FSK Answer supervision : Support Reverse Battery Detection and Voice Detection Adjustable AC Termination Impedance : 600 / 900 OHM and complex Impedance Life-Line support (IP/ power failure over relay) Polarity Reversal : Type I and Type II 12K Hz and 16K Hz Metering IP Specifications: H.323 v2/v3/v4 and SIP (RFC 3261) , SDP (RFC 2327), Symmetric RTP, STUN (RFC3489), ENUM (RFC 2916), RTP Payload for DTMF Digits (RFC2833), Outbound Proxy Support. LAN : Support Virtual Server, DHCP Server WAN: PPPoE client, DHCP client, Fix IP Address, DDNS client Network Address Translation: Providing build-in NAT router function Smart QoS: Guarantee the voice bandwidth Call Features Voice channels status display Direct Dialing Mode : peer to peer call (support IP Address Call or Domain Name Call) Register Call Mode : Register to H.323 Gatekeeper or SIP Proxy Server Adjustable volume : - 9 db ~ 9 db Silence Compression Auto Dial for speed Dynamic Jitter Buffer Configuration & Management Web-based Graphical User Interface Remote managenet over the IP Network FTP firmware upgrade Backup and Restore Configuration file General Specification AC power : AC100V-240V, DC12V/1.5A,50/60 Hz Temperature: 0�C ~ 40�C (Operation) Humidity: up to 90% non-condensing Emission: FCC Part 15 Class B, CE Mark Dimension : 260 x 130 x 35 mm Weight: 900g (Aluminum ) LED Indicatiorst Power , Reset, WAN, LAN,FXS/FXO Ordering Information S402: 2FXS+2FXO, 1 WAN + 4 LAN, Smart-QoS