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90-49
Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 90 Gateway Configuration
Port Configuration Settings
Enable G.Clear Check this box to enable G. Clear Codec support for MGCP T1 PRI
gateways and SIP trunks. When you enable G. Clear Codec, echo
cancellation and zero suppression for outbound calls get disabled.
Note Fast Start and Media Termination Point Required options in
Cisco Unified Communications Manager Administration do
not work.
To enable G. Clear Code support on SIP trunks between clusters,
you must configure the SIP Clear Channel Data Route Class Label
and SIP Route Class Naming Authority service parameters.
If you have low bandwidth codec regions, you must enable the G.
Clear Bandwidth Override service parameter.
The following functionality does not support the G. Clear Codec:
• T1 and E1 CAS
• H.323 Intercluster Trunks
• SCCP devices
• RSVP
• Frame aligning individual DS-0 circuits
Call Routing Information - Inbound Calls
Significant Digits Choose the number of significant digits to collect, from 0 to 32 or
All. Cisco Unified Communications Manager counts significant
digits from the right (last digit) of the number that is called. If you
choose All, the Cisco Unified Communications Manager does not
truncate the inbound number.
EXAMPLE
Digits received are 123456.
Significant digits setting is 4.
Digits translated are 3456.
Use for the processing of incoming calls and to indicate the number
of digits, starting from the last digit of the called number, that are
used to route calls that are coming into the PRI span. See Prefix DN.
Table 90-7 Digital Access PRI Port Configuration Settings (continued)
Field Description