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Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 92 Trunk Configuration
Trunk Configuration Settings
MTP Preferred Originating
Codec
Indicate the preferred outgoing codec:
• 711ulaw
• 711alaw
• G729/G729a
• G729b/G729ab
Note To configure G.79 codecs for use with a SIP trunk, you must
use a hardware MTP or transcoder that supports the G.79
codec. For more information, see
Chapter 26,
“Transcoders,” in the Cisco Unified Communications
Manager System Guide.
This field gets used only when the MTP Termination Point Required
check box is checked.
Presence Group Configure this field with the Presence feature.
From the drop-down list box, choose a Presence group for the SIP
trunk. The selected group specifies the destinations that the
device/application/server that is connected to the SIP trunk can
monitor.
The default value for Presence Group specifies Standard Presence
group, which gets configured with installation. Presence groups that
are configured in Cisco Unified Communications Manager
Administration also appear in the drop-down list box.
Presence authorization works with presence groups to allow or
block presence requests between groups. Refer to the
“Presence”
chapter in the Cisco Unified Communications Manager Features
and Services Guide for information about configuring permissions
between groups.
Tip You can apply a presence group to the SIP trunk or to the
application that is connected to the SIP trunk. If a presence
group is configured for both a SIP trunk and SIP trunk
application, the presence group that is applied to the
application overrides the presence group that is applied to
the trunk.
Table 92-2 Trunk Configuration Settings for SIP Trunks (continued)
Field Description