on the phone

US /ɑːn ðə foʊn/
UK /ɑːn ðə foʊn/
"on the phone" picture
1.

ao telefone

speaking to someone using a telephone

:
She was on the phone for an hour with her sister.
Ela ficou ao telefone por uma hora com a irmã.
I can't talk right now, I'm on the phone.
Não posso falar agora, estou ao telefone.