SmartNode 4900 User Manual | B • Specifications |
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The FXS ports provide for connection of up to 32 analog FXS devices on a 50- or
The FXO ports provide for connection of up to 32 analog FXO devices on a 50- or
•X.21 or V.35 WAN
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•RFC1490, FRF.12 fragmentation
•LMI, Q.933D, ANSI 617D, Gang of Four (an encapsulation method created by the four companies: Cisco, Northern Telecom, StrataCom, and DEC which differs from the IETF encapsulation)
•PPP, PAP, CHAP, LCP, IPCP
Voice codecs:
•G.711
•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
•Up to 32 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)
G.711 transparent FAX
FXS ports | 57 |