How Do I Block an Incoming Call on My Landline?

How Do I Block an Incoming Call on My Landline?

1. Find out which DSL router you have, including the manufacturer and model.
2. Search online for the manual for your specific device.
3. In the manual, look for “Telephony”. This is usually where you will find instructions for blocking incoming numbers. If you cannot find them, also search for “call handling”.
4. Block the relevant number as described in the instructions.