DSP
39
SmartNode 4120 User Manual
B • Specifications
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
Содержание Smart Node 4120
Страница 18: ...18 Chapter 2 SN4120 Applications overview Chapter contents Typical application 19...
Страница 42: ...42 Appendix C Cabling Chapter contents Introduction 43 Ethernet 43 ISDN BRI 44...
Страница 45: ...45 Appendix D Port pin outs Chapter contents Ethernet 46 ISDN BRI TE User port 46...
Страница 47: ...47 Appendix E SN4120 factory configuration Chapter contents Introduction 48...