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Fax and modem support 46
SmartNode 4552 & 4562 Getting Started Guide B • Specifications
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
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)
Interface huntgroups
Call-Distribution groups
Call Routing Criteria:
• Interface
• Calling/called party number
• Time of day, day of week, date
• ISDN bearer capability
• Various other information elements (IEs) of the ISDN setup
• Wildcard and regular expression matching
Number manipulation functions:
• Replace numbers
• Add/remove digits
• Pattern matching and replacement
IP services
IPv4 router; RIPv1, v2 (RFC 1058 and 2453)
Programmable static routes
ICMP redirect (RFC 792); Packet fragmentation
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