Once you have administered FAX Messaging on the messaging software, you are ready to enable your subscribers so that they can use this feature.
If you change an individual subscriber's COS, you remove any association between the subscriber and any other class of service. Therefore, if you have administered or are planning to administer a special COS for FAX Messaging, do not use this procedure. Instead, follow the procedure Enabling FAX Messaging by Defining a COS.
To enable a subscriber for FAX Messaging: