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SmartNode 5400 Getting Started Guide | B • Specifications |
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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 (128 ms)
Up to 120 simultaneous voice or T.38 fax calls
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)
Fax and modem support
Automatic fax and modem detection
Codec fallback for
T.38
G.711
Voice signalling
SIPv2
H.323v4
MGCP/IUA
SIP call transfer, redirect
Overlap or
DTMF
Data connectivity | 47 |