1. on the phone
The women talk on the phone at least once a day.
Martin is talking on the phone
Yesterday I was talking to him on the phone. He asked me to pay him a visit.
I`m on the phone all day long.
She is on the phone all the time.
Come in and wait a second - I’m just on the phone.
Anglais mot "na telefon"(on the phone) se produit dans des ensembles:
new english file 82. on call
Being a doctor means that you're on call most of the time.
we will have extra stuff on call to assist you