He pressed 'Select.'

Most modern landline phones have a in their menu.

If you previously blocked all "Private" or "Unknown" callers using *77, dial to allow them again. Method 2: Using Handset Menu Settings Many modern cordless systems (like those from ) store a block list locally on the device. Vitel Global

If you used a network feature to block a number, you must use a corresponding code to reverse it.

Special cases and troubleshooting