Avaya T3 (IP) Comfort - Manual (Page 120)

Changing general settings
120
Customizing the telephone
MMA - change dial-in authorised number*
If you have permission, you can change the telephones (registered numbers) which
can dial into your Communication Server.
Press the "Menu" function key.
Scroll to the Settings menu item.
Confirm your selection.
Scroll to the Applications menu item.
Confirm your selection.
Scroll to the Mobility menu item.
Confirm your selection.
A list of all the external numbers registered appears.
Scroll to an existing entry, e.g. 1: 01234567.
Confirm your selection.
Change the external number as normal.
If necessary, scroll to the Callback menu item.
If necessary, switch setting, e.g. to Callback (on).
If necessary, scroll to the Editable menu item.
If necessary, switch setting, e.g. to Editable (on).
If necessary, scroll to the Twinning menu item.
If necessary, switch setting, e.g. to Twinning (on).
Scroll to the Accept menu item.
Confirm the settings. The amended number has been registered.