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Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 91 Cisco Unified IP Phone Configuration
Phone Configuration Settings
Use Trusted Relay Point From the drop-down list box, enable or disable whether Cisco Unified Communications
Manager inserts a trusted relay point (TRP) device with this media endpoint. Choose one of
the following values:
• Default—If you choose this value, the device uses the Use Trusted Relay Point setting
from the common device configuration with which this device associates.
• Off—Choose this value to disable the use of a TRP with this device. This setting overrides
the Use Trusted Relay Point setting in the common device configuration with which this
device associates.
• On—Choose this value to enable the use of a TRP with this device. This setting overrides
the Use Trusted Relay Point setting in the common device configuration with which this
device associates.
A Trusted Relay Point (TRP) device designates an MTP or transcoder device that is labeled
as Trusted Relay Point.
Cisco Unified Communications Manager places the TRP closest to the associated endpoint
device if more than one resource is needed for the endpoint (for example, a transcoder or
RSVPAgent).
If both TRP and MTP are required for the endpoint, TRP gets used as the required MTP. See
the
“TRP Insertion in Cisco Unified Communications Manager” in the Cisco Unified
Communications Manager System Guide for details of call behavior.
If both TRP and RSVPAgent are needed for the endpoint, Cisco Unified Communications
Manager first tries to find an RSVPAgent that can also be used as a TRP.
If both TRP and transcoder are needed for the endpoint, Cisco Unified Communications
Manager first tries to find a transcoder that is also designated as a TRP.
Refer to the “Trusted Relay Point” section and its subtopics in the “Media Resource
Management” chapter of the Cisco Unified Communications Manager System Guide for a
complete discussion of network virtualization and trusted relay points.
BLF Audible Alert Setting
(Phone Idle)
This setting determines the busy lamp field (BLF) audible alert setting when no current call
exists on the BLF DN:
• On—An audible alert sounds.
• Off—No audible alert sounds.
• Default—The configuration in the Service Parameters Configuration window determines
the alert option.
BLF Audible Alert Setting
(Phone Busy)
This setting determines the BLF audible alert setting when at least one active call exists on the
BLF DN, but no call pickup alerts exist:
• On—An audible alert sounds.
• Off—No audible alert sounds.
• Default—The configuration in the Service Parameters Configuration window determines
the alert option.
Table 91-1 Phone Configuration Settings (continued)
Field Description