| System Features
- Supports H.323 v4 Protocol and SIP (Future)
- Supports H.450.2 Call Transfer
- H.450.4 Hold
- H.450.6 Call Waiting
- Supports Dial Plan
- Supports Multiple Dialing Modes:
- Point-to-Point
- Point-to-Point with Gateway
- Gatekeeper Routing
- Remote Volume Control
- Supports QoS (ToS)
- Multiple Password Protection
- Configuration and Management:
- Console Port
- Telnet
- Web Browser
- Upgradable Software
- SMART Packet Loss Recovery
- Automatic Fax Detection (T.38 Fax)
Audio Features
- Audio Coding Support :
G.711 a/u-Law
G.723.1
GSM
G.729 (optional)
- Supports Voice Activity Detector (VAD)
- Supports Comfort Noise Generator (CNG)
- Echo Cancellation :
G.168
G.165
- Dynamic Jitter Buffer (Automatic Buffer Control)
Network Interface Support
- Line Polarity Reversal Generation
- 2- Wire Loop Start
- Caller ID (DTMF/FSK) Generation
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Configuration & Management
- PSTN Polarity Reversal Detection
- Disconnect Tone Detection
Network Interface Support
- 2 Ethernet Ports (RJ-45 connector)
- FXS : 4 Telephone Ports (RJ-11 connector)
- FXO : 4 Analog PSTN Ports (RJ-11 connector)
Firewall VPN
- VPN Tunnel or NAT Translation
Physical Characteristics
- FCC
- CE
- UL
Console
- One DB-9 RS-232 COM port
Power
- Standard Power : 100-120 VAC,800mA
- 100-240 VAC,800mA (optional)
- 220-240 VAC,800mA (optional)
Environmentals
- Operating Temperature 0°C to 40°C (32°F to 104°F)
- Storage Temperature -40°C to 70°C (-40°F to 158°F)
- Relative Humidity 10% to 90%
- Operating Atitude Up to 3,000 m (10,000 ft)
- Storage Atitude Up to 12,000 m (40,000 ft)
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