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Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 92 Trunk Configuration
Trunk Configuration Settings
Transmit UTF-8 for Calling
Party Name
This device uses the user locale setting of the SIP trunks to
determine whether to send unicode and whether to translate
received Unicode information.
For the sending device, if you check this check box and the user
locale setting in the device pool at the device matches the
terminating phone user locale, the device sends unicode. If the user
locale settings do not match, the device sends ASCII.
The receiving device translates incoming unicode characters based
on the user locale setting of the sending device pool of the device.
If the user locale setting matches the terminating phone user locale,
the phone displays the characters.
Note The phone may display garbled characters if the two ends of
the trunk configure user locales that do not belong to the
same language group.
Unattended Port Check this check box if calls can be redirected, transferred and
forwarded to an unattended port, such as a voice mail port.
The default value for this check box leaves it unchecked.
SRTP Allowed Check the SRTP Allowed check box if you want Cisco Unified
Communications Manager to allow secure and nonsecure calls over
the trunk.
If you do not check this check box, Cisco Unified Communications
Manager prevents SRTP negotiation with the trunk and uses RTP.
Caution If you check this check box, Cisco strongly recommends
that you configure IPSec, so you do not expose keys and
other security-related information during call
negotiations. If you do not configure IPSec correctly,
consider signaling between Cisco Unified
Communications Manager and the gateway as nonsecure.
For more information on encryption for trunks, refer to the Cisco
Unified Communications Manager Security Guide.
H.235 Pass Through Allowed This feature allows Cisco Unified Communications Manager to
transparently pass through the shared secret (Diffie-Hellman key)
and other H.235 data between two H.235 endpoints, so the two
endpoints can establish a secure media channel.
To allow H.235 pass through, check the check box.
Table 92-1 Trunk Configuration Settings for H.225 and Intercluster Trunks (continued)
Field Description