DSP
43
SmartNode 4552 & 4562 Getting Started Guide
B • Specifications
Note
Refer to the software feature matrix for the most up-to-date specifications.
DSP
One 2-channel DSP
Voice connectivity
2 ISDN BRI So (S/T), 4-wire RJ45
One Usr (TE) port labeled
Line
, one Net (NT) port labeled
Phone
Point-to-point, point-to-multipoint configurable
Life-line cut-through relay between
Line
and
Phone
ports
Power feed-through between
Line
and
Phone
ports
Data connectivity
10/100Base-TX Ethernet WAN port
4-port 10/100Base-TX Ethernet LAN switch
All ports full duplex, autosensing, auto-MDX
Voice processing (signalling dependent)
2 full-duplex channels of Voice CODECS:
•
G.711 A-Law/µ-Law (64 kbps)
•
G.726 (ADPCM 40, 32, 24, 16 kbps)
•
G.723.1 (5.3 or 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)
Содержание SMARTNODE 4552
Страница 17: ...SmartNode 4552 4562 overview 17 SmartNode 4552 4562 Getting Started Guide 1 General information ...
Страница 18: ...SmartNode 4552 4562 overview 18 SmartNode 4552 4562 Getting Started Guide 1 General information ...
Страница 47: ...47 Appendix C Cabling Chapter contents Introduction 48 Ethernet 48 ISDN BRI 49 ...
Страница 53: ...53 Appendix E SmartNode 4552 4562 factory configuration Chapter contents Introduction 54 ...