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92-2
Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 92 Trunk Configuration
Trunk Configuration Settings
Tip Resetting a trunk drops any calls in progress that are using that trunk. Restarting a gateway tries to
preserve the calls in progress that are using that gateway, if possible. Other devices wait until calls
complete before restarting or resetting. Resetting/restarting an H.323 or SIP device does not physically
reset/restart the hardware; it only reinitializes the configuration that is loaded by Cisco Unified
Communications Manager.
For SIP trunks, Restart and Reset behave the same way, so all active calls will disconnect when either
choice is pressed. Trunks do not have to undergo a Restart or Reset when Packet Capture is enabled or
disabled.
Table 92-1 describes the trunk configuration settings for gatekeeper-controlled H.225 trunks,
gatekeeper-controlled intercluster trunks, and non-gatekeeper-controlled intercluster trunks.
Table 92-2 describes the trunk configuration settings for SIP trunks.
For more information about related procedures, see the “Related Topics” section on page 92-51.
Table 92-1 Trunk Configuration Settings for H.225 and Intercluster Trunks
Field Description
Device Information
Device Name Enter a unique identifier for the trunk.
Description Enter a descriptive name for the trunk.
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 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.
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.