SmartNode 4630 Getting Started Guide | B • Specifications |
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Note Refer to the software feature matrix for the most
DSP
One or two
Voice connectivity
3 or 5 ISDN BRI S0 (S/T),
ISDN line power can be switched on per software per port
Data connectivity
Two
All ports full duplex, autosensing,
Voice processing (signalling dependent)
Four or eight
•G.711
•G.726 (ADPCM 16, 24, 32, 40 kbps)
•G.723.1 (5.3 or 6.3 kbps)
•G.729ab (8 kbps)
•Transparent ISDN data
G.168 echo cancellation (25 ms)
Four or eight simultaneous
DTMF detection and generation
Carrier tone detection and generation
Silence suppression and comfort noise
Adaptive and configurable dejitter buffer
Configurable tones (dial, ringing, busy)
Configurable transmit packet length
RTP/RTCP (RFC 1889)
DSP | 44 |