Can I retrieve my messages by dialing the toll-free number if the telephone line I am using also has AT&T VoiceMail Service?
If you are calling from a telephone number which has AT&T VoiceMail Service, you can dial the voicemail toll-free number as usual, at the point of hearing the “user’s announcement”, press the (star) “*” button on the telephone set. The voicemail system will prompt you for the 10-digit telephone number of the mailbox you wish to access, and then follow the system prompts.