SmartNode 4940 Getting Started Guide | B • Specifications |
|
|
Note Refer to the software feature matrix for the most
Voice connectivity
1 or 4 PRI T1/E1 ports on RJ48C connectors Net/User configurable per port
Each port can be slave or master clock
Each port can be used to synchronize to an external clock master
Failover relay between ports 0/0 and 0/1 for specific models
Data connectivity
One
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
Voice connectivity | 42 |