B Specifications; Dsp; Voice Connectivity; Data Connectivity - Patton Smart Node 4120 User Manual

SmartNode 4120 User Manual

DSP

One 2/4 channel DSP

Voice connectivity

Single/dual ISDN BRI So (TE), 4-wire RJ45 port labeled BRI
Point-to-point, point-to-multipoint configurable

Data connectivity

10/100Base-TX Ethernet WAN port
Full duplex, autosensing, auto-MDX

Voice processing (signaling dependent)

2/4 full-duplex channels of Voice CODECS:
• G.711 A-Law/ -Law (64 kbps)
• G.726 (ADPCM 40, 32, 24, 16 kbps)
• G.723.1 (6.3 kbps)
• G.729ab (8 kbps)
• Transparent ISDN data
G.168 echo cancellation
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

Automatic fax and modem detection
Codec fallback for modem-bypass
T.38 Fax-Relay (Gr. 3 Fax, 9.6 k, 14.4 k)
G.711 Fax-Bypass

Voice signalling

SIPv2

DSP

B • Specifications
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