Supported

An example of the header is shown below:

Supported: early-session

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 is a header manipulation example:

Example 1

Rule:

Add a Supported header:

Message Type: Invite
Action Subject: header.supported
Action Type: Add
Action Value: 'early-session'

Result:

Supported: early-session

Example 2

Rule:

Set path in the Supported header's options tag:

Message Type: Invite
Action Subject: header.supported.capabilities.path
Action Type: Add
Action Value: true

Result:

Supported: early-session, path