From

An example of the header is shown below:

From: <sip:555@10.132.10.128;user=phone>;tag=YQLQHCAAYBWKKRVIMWEQ

The header properties are shown in the following table:

Header Level Action

Add

Delete

Modify

List Entries

Operations Supported

No

No

Yes

NA

Keyword

Sub Types

Attributes

Name

String

Read/Write

Param

Param

Read/Write

tag

String

Read Only

URL

URL Structure (see URL)

Read/Write

Below are header manipulation examples:

Example 1

Rule:

Change the user part of the From header if the user is not 654:

MessageManipulations 8 = 1, invite, header.from.url.user != '654', header.from.url.user, 2, 'fred', 0;

Result:

 
From: <sip:fred@IPG2Host;user=phone>;tag=1c20161

Example 2

Rule:

Add a new parameter to the From header called p1 and set its value to myParameter:

MessageManipulations 1 = 1, Invite.request, ,header.from.param.p1, 0, 'myParameter', 0;

Result:

 
From: <sip:fred@IPG2Host;user=phone>;p1=myParameter;tag=1c5891

Example 3

Rule:

Modify the URL in the From header:

MessageManipulations 0 = 1, any, , header.from.url, 2, 'sip:3200@110.18.5.41;tusunami=0', 0;

Result:

 
From: <sip:3200@110.18.5.41;user=phone;tusunami=0>;tag=1c23750