Private: AT&T Landline Texting

Learn how to add contacts and groups as well as send instant and scheduled text messages.

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Adding a custom signature in the AT&T Landline Texting web application

Note: Images cannot be uploaded to the custom signature.

  1. Click on AT&T Landline Texting at the top left of the home page.

    Image of step 1.

  2. Click on Settings in the menu that populates.

    Image of step 2.

  3. Click on the Signature tab.

    Image of step 3.

  4. Click the radio button to the left of “Include the signature below in my messages”.

    Image of step 4.

  5. Click in the field labeled “Type a message” and enter the custom signature.
    Note: The character count for the custom signature is included in the 160 character limit for texts.
  6. Click on the SAVE CUSTOM SIGNATURE button.

    Image of steps 5 and 6.