Unsupported

An example of the header is shown below:

Unsupported: 100rel

The header properties are shown in the following table:

Header Level Action

Add

Delete

Modify

List Entries

Operations Supported

Yes

Yes

Yes

N/A

Keyword

Sub Types

Attributes

Capabilities

SIPCapabilities Struct

Read/Write

Below are header manipulation examples:

Example 1

Rule:

Add an Unsupported header to the message:

MessageManipulations 0 = 1, Invite.response, ,header.unsupported, 0, 'early-session, myUnsupportedHeader', 0;

Result:

 
Unsupported: early-session

Example 2

Rule:

Modify the Unsupported header to 'replaces':

MessageManipulations 1 = 1, Invite, ,header.unsupported, 2, 'replaces', 0;

Result:

 
Unsupported: replaces

Example 3

Rule:

Set the path in the Unsupported headers options tag:

MessageManipulations 0 = 0, invite, , header.unsupported.capabilities.path, 0, true, 0;

Result:

 
Unsupported: replaces, path