Additional commands can be used to configure the phone behaviors. For full details of commands available refer to the appropriate Avaya administrator's manual for the particular series of phones.

There are several NoUser source numbers used for remote extensions. They operate differently in that they change existing values in the auto-generated settings file given to a phone when the system detects that the phone requesting the file is a remote extension. See the Deploying Remote IP Office SIP Phones with an ASBCE manual.