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Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 92 Trunk Configuration
Trunk Configuration Settings
Device Pool Choose the appropriate device pool for the trunk.
For trunks, device pools specify a list of Cisco Unified
Communications Managers that the trunk uses to distribute the call
load dynamically.
Note Calls that are initiated from a phone that is registered to a
Cisco Unified Communications Manager that does not
belong to the device pool of the trunk use different Cisco
Unified Communications Managers of this device pool for
different outgoing calls. Selection of Cisco Unified
Communications Manager nodes occurs in a random order.
A call that is initiated from a phone that is registered to a
Cisco Unified Communications Manager that does belong
to the device pool of the trunk uses the same Cisco Unified
Communications Manager node for outgoing calls if the
Cisco Unified Communications Manager is up and running.
The default value for Device Pool specifies Not Selected.
Common Device Configuration Choose the common device configuration to which you want this
trunk assigned. The common device configuration includes the
attributes (services or features) that are associated with a particular
user. Common device configurations are configured in the Common
Device Configuration window.
Call Classification This parameter determines whether an incoming call through this
trunk is considered off the network (OffNet) or on the network
(OnNet).
The default value for Call Classification is Use System Default.
When the Call Classification field is configured as Use System
Default, the setting of the Cisco Unified Communications Manager
clusterwide service parameter, Call Classification, determines
whether the trunk is OnNet or OffNet.
This field provides an OnNet or OffNet alerting tone when the call
is OnNet or OffNet, respectively.
Use this parameter in conjunction with the settings on the Route
Pattern Configuration window to classify an outgoing call as OnNet
or OffNet.
Media Resource Group List This list provides a prioritized grouping of media resource groups.
An application chooses the required media resource, such as a
Music On Hold server, from among the available media resources
according to the priority order that a Media Resource Group List
defines.
The default value for Media Resource Group List specifies None.
Table 92-2 Trunk Configuration Settings for SIP Trunks (continued)
Field Description