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PPP and Frame-Relay support 66
SmartNode 4830 Getting Started Guide B • Specifications
PPP and Frame-Relay support
X.21 or V.35 WAN
Frame-Relay (8 PVCs)
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 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 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
• Fast-connect, early H.245
• Gatekeeper autodiscovery