Detailed Product Description

The Soundwin customized VoIP Card fully both SIP and H.323 standard compliant and provides a total solution for integrating voice-data network and PABX. By simple installation, this revolutionary compact voice over IP (VoIP) car could be configured as a 2/4/8/16 voice PCM channels which provides voice connectivity over the IP network and to the PABX. The VoIP cards is equipped with a four port Ethernet switch and built-in NAT router function that provides Internet access using only one IP address.VoIP Key Feature: Both support H.323 and SIP protocols: H.323 Gatekeeper Registration, SIP Registration and Digest Authentication. 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. NAT traversal: This feature allow gateway to operate behind any NAT/Firewall device. There is no need to chsssange any configuration of NAT/Firewall like setting virtual server. Smart-QoS Guaranteed: This bandwidth management feature provide good voice quality when user place a VoIP call and access internet at the same time. The gateway will automatically start to reserve bandwidth for voice traffic when VoIP call proceeds. Voice channels status display: This function display each port status like as onhook, offhook, calling number callee s number, talk duration, codec. 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: Support PPPoE client, DHCP client, Fix IP Address, DDNS client Network Address Translation: Providing build-in NAT router function. Smart QoS: Guarantee the voice bandwidth Voice Codec: G.711(A-law / -law), G.729 AB, G.723 (6.3 Kbps / 5.3Kbps) FAX support : T.30 / T.38 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 management over the IP Network FTP firmware upgrade Backup and Restore Configuration file Syslog support Ordering Information Hybrid PABX : 2 / 4 / 8 /16 voice channels VoIP Card