Fax and modem support
47
SmartNode 5541 & 4141 Series User Manual
B
• Specifications
Configurable tones (dial, ringing, busy, etc.)
Configurable transmit packet length
RTP/RTCP (RFC 1889)
SRTP (RFC 3711)
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
Super G3 fax
Voice Signalling
SIPv2 and SIPv2 over TLS (licensed feature on SN4141 Series)
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:
•
Interface
•
Calling/called party number
•
Time of day, day of week, date
•
Wildcard and regular expression matching
Regular expression number manipulation functions:
•
Replace numbers
•
Add/remove digits
•
Pattern matching and replacement