Fax and modem support
42
SmartNode 4131 User Manual
• 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 Signaling
SIPv2, SIPv2 over TLS (SIP-TLS at additional license charge)
SIP call transfer, redirect
Overlap or en-bloc dialing
DTMF in-band, out-of-band
Configurable progress tones
Voice Routing—Session Controller
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
•
ISDN bearer capability
•
Various other information elements (IEs) of the ISDN setup
•
Wildcard and regular expression matching
Regular expression number manipulation functions:
•
Replace numbers
•
Add/remove digits
•
Pattern matching and replacement
IP Services
IPv4 and IPv6 Router (dual stack)
Programmable static routes and policy-routing
ICMP redirect (RFC 792); Packet fragmentation