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DSP 59
SmartNode 4520 & 4110 Series User Manual B • Specifications
DSP
One or two 4-channel DSPs
Voice connectivity
2-wire Loopstart, RJ-11/12
Short haul loop 1.1 km @3REN
EuroPOTS (ETSI EG201 188)
Programmable AC impedance, feeding, and ring voltage; On-Hook Voltage 29VDC
Caller-ID Type-1/2 FSK and ITU V.23/Bell 202 generation
Connectivity
2 10/100 Full Duplex/Autosensing Ethernet RJ-45
Voice processing (signalling dependent)
Voice codes:
• G.711 A-Law/ -Law (64 kbps)
• G.726 (ADPCM 40, 32, 24, 16 kpbs)
• G.723.1 (5.3 or 6.3 kbps)
• G.729ab (8 kbps)
• Transparent pass through
G.168 echo cancellation
8 parallel voice connections
DTMF detection and generation
Carrier tone detection and generation
Silence suppression and comfort noise
Configurable dejitter buffer
Configurable tones (dial, ringing, busy)
Configurable transmit packet length
RTP/RTCP (RFC 1889)
Fax and modem support
G.711 transparent FAX
Fax over IP (FoIP)
T.38 Fax relay (9.6 k, 14.4 k)