Fax and modem support
54
SmartNode 4650 Getting Started Guide
B • Specifications
Adaptive and 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
H.323v4
MGCP/IUA
SIP call transfer, redirect
Overlap or en-bloc dialing
DTMF in-band, out-of-band
Configurable progress tones
Voice routing—session router
Local switching (hairpinning)
Least cost routing
Interface huntgroups
Call-Distribution groups
Number blocking
Call Routing Criteria:
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Interface
•
Calling/called party number
•
Time of day, day of week, date
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ISDN bearer capability
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Various other information elements (IEs) of the ISDN setup
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Wildcard and regular expression matching
Regular expression number manipulation functions: