If the user has a Communication Manager application defined in the application sequence, then you must add or update the Communication Manager application.
On the System Manager web console, navigate to Elements Session Manager Application Configuration.
Click Applications.
Click New to create a new Communication Manager application or select the existing Communication Manager application and click Edit.
On the Application Editor page, in the Application area, do the following:
In the Name field, type a name for the Communication Manager application.
In the SIP Entity field, select the corresponding Communication Manager instance.
In the CM System for SIP Entity field, select the corresponding Communication Manager entity.
In the Application Media Attributes area, do the following: