Landline

If you really mean answering machine, as in what came with the phone system than refer to your manual. If you mean phone company voicemail, dial into it and follow the prompts.

Thank you for reaching out @1frankquigley. We hear you, and we'd be happy to assist.

To address your concern about "How do I set up my new AT&T landline voicemail?"

Follow the mentioned steps to set up your home phone voicemail:

1. Dial *98 from your home phone.
2. Choose a Personal Identification Number (PIN) between 6 and 10 digits.
3. Follow the instructions and set up your 8-digit authentication code.
4. Say your name after the tone when prompted, and press #.
5. Follow the prompts to record a personal greeting.

You can check this article about  Set up Voicemail for Landline Home Phone for details and you can also check the User Guide for Voice Mail for more information.

Hope this helps!

For further assistance feel free to contact us.

Mary, AT&T Community Forums Specialist.