SmartNode 4830 Getting Started Guide | B • Specifications |
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PPP and Frame-Relay support
X.21 or V.35 WAN
RFC1490, FRF.12 fragmentation
LMI, Q.933D, ANSI 617D, Gang of Four
PPP, PAP, CHAP, LCP, IPCP
Voice processing (signaling dependent)
Voice codes:
•G.711
•G.726 (ADPCM 40, 32, 24, 16 kbps)
•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)
Voice signaling
H.323v4
•RAS, H.225, H.245
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•Gatekeeper autodiscovery
PPP and | 66 |