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| Features | - Vocal codec:
- G.711 u/A
- G.723.1 Max concurrent VoIP channel: 1 channel
- G.729A Max concurrent VoIP channel: 2 channel
- Voice related capability:
- AEC : Auto echo cancellation, G.168/16ms
- VAD: Voice activity detection (silent suppression transmission)
- CNG: Comfortable noise generation
- Packet concealment
- Jitter buffer:
- Fix length jitter buffer: Length definable
- Adaptive jitter buffer
- DTMF method:
- RFC2833
- SIP Info
- In-band audio
- G.3 Fax support: T.38 ,G.711 pass through
- Caller ID : DTMF/FSK generation
- Calling tone generation: Dial/ Busy/ Ring back tone
- FXS hook detection: Flash key detection for call transfer
- Major call features: Call hold,Call transfer, Call forward, Call return, Do Not Disturb
- 3-way Conference (G.729/G.711)
- 8 entries of speed dial, 8 entries of phone book dialing. Allows user to define destination IP and port for each phone book entry
- Volume control : Tx/Rx gain definable (-12db ~ +18db)
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