1.
to ring or make a sound
2.
to be made wait on the phone especially for customer service
4.
to pay for phone credit/data as you need it
5.
companies like Eir, 3, Lyca mobile, Tesco mobile
6.
when a phone call ends suddenly because of network problems
7.
when the line is busy, the person on the other side is already on a call
8.
to put in a number to make a call
