180 and 100 NOTIFY Configuration
You can apply the refer-notify-provisional setting to realms or to session agents. This section shows you how to apply the setting for a realm; the same steps and definitions apply to session agents.
If you do not want to insert NOTIFY messages into the exchanges that support REFER call transfers, you can leave the refer-notify-provisional set to none. This means that the Oracle® Enterprise Session Border Controller will send only the final result NOTIFY message. Otherwise, you want to choose one of the two settings described in the instructions below.
To enable 100 and 180 NOTIFY messages in REFER call transfers: