If you cannot find a specific menu, many phones allow you to unblock a number directly from the Call History or Caller ID log.
Some landline phones have a specific code to unblock phone numbers. Here are a few common codes: how do you unblock a phone number on a landline
If you're unable to find the unblock feature on your phone, you can contact your landline provider for assistance. Here's how: If you cannot find a specific menu, many
How to Unblock Phone Number on Landline | Vitel Global Guide or check your provider’s code (e.g.
*60 then look for an “unblock” option, or check your provider’s code (e.g., *82 for some regions).
After unblocking, ask the person to call you again. If the call goes through, you’re done.