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This 4 FXO stand-alone VoIP Gateway carries both voice and facsimile over the IP network. It
supports H.323 and SIP call control protocols. S404 is compatible with all H.323 v2/v3/v4 IP
telephony products.
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Features and Capabilities
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VoIP Key Feature
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Call Features
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Configuration & Management
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LED Indicators
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- Both support H.323 and SIP protocols
- Stackable VoIP Architecture
- Caller ID Delivery and Detection (Optional)
- Smart VoIP call Dialing Book
- AC termination Impedance
- Polarity Reversal Detection
- NAT traversal
- Smart-QoS Guaranteed
- Voice channels status display
- Pulse Dial support (Optional) Flash Detection and Generation Program
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- 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
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- Web-based Graphical User Interface
- Remote management over the IP Network
- FTP firmware upgrade
- Backup and Restore Configuration file
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- Power
- Reset
- WAN
- LAN
- FXS/FXO
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IP Specifications
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Voice Codec
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General Specifications
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- 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
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WAN:
- PPPoE client.
- DHCP client.
- Fix IP address.
- DDNS client.
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Network Address Translation:
- Providing build-in NAT router function.
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Smart QoS:
- Guarantee the voice bandwidth.
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- 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
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- 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)
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