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90-37
Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 90 Gateway Configuration
Port Configuration Settings
MLPP Preemption Be aware that this setting is not available for all devices. If
available, this setting specifies whether a device that can preempt
calls in progress will use the capability when it places an MLPP
precedence call.
From the drop-down list box, choose a setting to assign to this
device from the following options:
• Default—This device inherits its MLPP preemption setting
from its device pool.
• Disabled—This device does not allow preemption of lower
precedence calls to take place when necessary for completion
of higher precedence calls.
• Forceful—This device allows preemption of lower
precedence calls to take place when necessary for completion
of higher precedence calls.
Note Do not configure a device with the following combination
of settings: MLPP Indication is set to Off or Default (when
default is Off) while MLPP Preemption is set to Forceful.
Port Information (POTS)
Port Direction Choose the direction of calls that are passing through this port:
• Inbound—Use for incoming calls only.
• Outbound—Use for outgoing calls.
• Bothways—Use for inbound and outbound calls (default).
Prefix DN
(for FXS ports)
Enter the prefix digits that are appended to the digits that this
trunk receives on incoming calls.
Cisco Unified Communications Manager adds prefix digits after
first truncating the number in accordance with the Num Digits
setting.
You can enter the international escape character +.
Num Digits
(for FXS ports)
Enter the number of significant digits to collect, from 0 to 32.
Cisco Unified Communications Manager counts significant digits
from the right (last digit) of the number called.
Use this field for the processing of incoming calls and to indicate
the number of digits starting from the last digit of the called
number that is used to route calls coming into the PRI span. See
Prefix DN.
Expected Digits
(for FXS ports)
Enter the number of digits that are expected on the inbound side
of the trunk. For this rarely used field, leave zero as the default
value if you are unsure.
Table 90-6 FXS/FXO Port Configuration Settings (continued)
Field Description