2 / 4 / 8 /16 voice channels VoIP Card for Hybrid PABX
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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 asa 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. Besides, it provides high voice quality and optimized packet voice streaming over managed and public (Internet) IP networks.
VoIP Key Features
• 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 change 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 on-hook, off-hook, 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 / µ - 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 Client Support VoIP Card Catalogue
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2 channels |
4 channels |
8 channels |
16 channels |
Ethernet Port |
1 WAN + 4 LAN |
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PCM Channels |
2 |
4 |
8 |
16 |
H.323 v2/v3/v4 |
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SIP(RFC3261) |
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Smart-Qos |
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NAT Traversal |
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Echo Cancellation |
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G.711 a/u law |
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T.38/T.30 |
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NAT Router |
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DHCP server for Private Network |
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