Audi MMI   MMI control console   Using the telephone  Other settings for the phone pre-installation
Select: Function selector button TEL > function selector button SETUP > Mailbox number.
The mailbox number can be entered via the speller or loaded from a list (directory) and stored by selecting OK.
Once the mailbox number has been stored, you can call the mailbox by selecting the symbol in the speller.
This service must be set up and activated on your mobile network before you can use it. For more information, contact your service provider.
Note
The mailbox number depends on your service provider.