How to Change Your Voicemail Message With AT&T
There are many reasons to change your voicemail message, or "greeting." You may want to let callers know of another method of reaching you or announce a new member of the household that a caller has reached. Your voicemail service from AT&T can be accessed from any phone by dialing your own phone number.
Dial your own telephone number and press # when you hear the greeting.
Enter your passcode.
Press "9" for options.
Press "1" for greetings.
Record your new greeting when prompted.