Version 6.6 665 Mediant 2000
User's Manual 45. Configuration Parameters Reference
Parameter Description
[FaxReroutingMode]
Enables re-routing of Tel-to-IP calls that are identified as fax calls.
If a CNG tone is detected on the Tel side of a Tel-to-IP call, the prefix
string "FAX" is appended to the destination number before routing
and manipulation. If you enter the string value, "FAX" as the
destination number in the Outbound IP Routing table, the routing rule
is used to route the call and the destination number manipulation
mechanism is used to remove the "FAX" prefix, if required. Note that
the "FAX" prefix string in routing and manipulation tables is case-
sensitive.
If the initial INVITE used to establish the voice call (not fax) was
already sent, a CANCEL (if not connected yet) or a BYE (if already
connected) is sent to release the voice call.
 [0] Disable (default)
 [1] Rerouting without Delay
 [2] Progress and Delay = Incoming ISDN calls are delayed until a
CNG tone detection or timeout, set by the FaxReroutingDelay
parameter. If the EnableComfortTone parameter is set to 1, a
Q.931 Progress message with Protocol Discriminator set to 1 is
sent to the PSTN and a comfort tone is played accordingly to the
PSTN. When the timeout expires, the device sends an INVITE to
a specific IP Group or to a fax server, according to the Outbound
IP Routing table rules. This option is applicable only to ISDN.
 [3] Connect and Delay = Incoming ISDN calls are delayed until a
CNG tone detection or timeout, set by the FaxReroutingDelay
parameter. A Q.931 Connect message is sent to the PSTN. If the
EnableComfortTone parameter is set to 1, a comfort tone is
played to the PSTN. When the timeout expires, the device sends
an INVITE to a specific IP Group or to a fax server according to
the Outbound IP Routing table rules. This option is applicable
only to ISDN.
Note: This parameter has replaced the EnableFaxRerouting
parameter. For backward compatibility, the EnableFaxRerouting
parameter set to 1 is equivalent to the FaxReroutingMode parameter
set to 1.
[FaxReroutingDelay]
Defines the maximum time interval (in seconds) that the device waits
for CNG detection before re-routing calls identified as fax calls to fax
destinations (terminating fax machine).
The valid value range is 1-10. The default is 5.
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