1. Pick up the landline phone.
2. Dial the international access code for Ireland, which is 00.
3. Dial the country code for the United Kingdom, which is 44.
4. Dial the mobile number, including the area code (without the leading zero) and the subscriber number.
For example, to call an English mobile number with the number 07911 123456 from an Irish landline, you would dial: 0044 7911 123456.
