P-Preferred-Identity

An example of the header is shown below:

P-Preferred-Identity: "Cullen Jennings" <sip:fluffy@abc.com>

The header properties are shown in the following table:

Header Level Action	Add	Delete	Modify	List Entries
Operations Supported	Yes	Yes	Yes	2

Keyword	Sub Types	Attributes
Name	String	Read/Write
URL	URL Structure (see URL)	Read/Write

Below are header manipulation examples:

Example 1

Rule:

Add a P-Preferred-Identity header to all messages:

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Message Type: Any

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Action Subject: header.P-Preferred-Identity

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Action Type: Add

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Action Value: 'Cullen Jennings <sip:fluffy@abc.com>'

Result:

P-Preferred-Identity: "Cullen Jennings" <sip:fluffy@abc.com>

Example 2

Rule:

Modify the display name in the P-Preferred-Identity header:

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Message Type: Any

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Condition: xxx

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Action Subject: header.P-Preferred-Identity.name

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Action Type: Modify

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Action Value: 'Alice Biloxi'

Result:

P-Preferred-Identity: "Alice Biloxi" <sip:fluffy@abc.com>