Dial +61 followed by the area code and subscriber's number - replace the + sign with your country's international access code.
Look at the Caller ID display.
call your phone company and see if they have coverage there
In the US, it is *69 on a land line phone.
You don't.
Maybe the reception is bad.
No - because it's a free call from a land-line.
so you can call and text people and not have to be near a land line
Yes you can
yes it may be charge.
Absolutely. Just call the area code and the subscribers number.
An alternative to a BT land line is to use a cell phone provider. The advantage to having a cell phone is that you do not need to be within a building/at home to take a call.
Call your phone company or go to their site and sign up.