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92-34
Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 92 Trunk Configuration
Trunk Configuration Settings
Asserted Identity Use this check box to allow or disallow the SIP trunk to send the
Asserted-Type and SIP Privacy headers in SIP messages. If you
check this check box, the SIP trunk always sends the Asserted-Type
header; whether the SIP trunk sends the SIP Privacy header depends
on the SIP Privacy configuration.
If the check box is not selected, the SIP trunk does not include any
Asserted-Type or SIP Privacy headers in its SIP messages.
For more information, see the descriptions of Asserted-Type and
SIP Privacy in this table.
Outgoing SIP Trunk Calls—P Headers
The decision of which Asserted Identity (either P-Asserted-Identity
or P-Preferred-Identity) header gets sent depends on the configured
value of the Asserted-Type option. A non-default value for
Asserted-Type overrides values that come from Cisco Unified
Communications Manager Call Control. If the Asserted-Type
option is set to Default, the value of Screening Identification that the
SIP trunk receives from Cisco Unified Communications Manager
Call Control dictates the type of Asserted-Identity.
Outgoing SIP Trunk Calls—SIP Privacy Header
The SIP Privacy header gets used only when you check the Asserted
Identity check box and when the SIP trunk sends either a PAI or PPI
header. (Otherwise the SIP Privacy header neither gets sent nor
processed in incoming SIP messages).
The value of the SIP Privacy headers depends on the configured
value of the SIP Privacy option.
A non-default value for SIP Privacy overrides values that come from
Cisco Unified Communications Manager Call Control.
If the SIP Privacy option is set to Default, the Calling Line ID
Presentation and Calling Name Presentation that the SIP trunk
receives from Cisco Unified Communications Manager Call
Control determines the SIP Privacy header.
Table 92-2 Trunk Configuration Settings for SIP Trunks (continued)
Field Description