Meaning of the word "phone up" in English

What does "phone up" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

phone up

US /foʊn ʌp/
UK /fəʊn ʌp/
"phone up" picture

Phrasal Verb

to call someone on the telephone

Example:
I need to phone up my mom to tell her the good news.
He decided to phone up the restaurant to make a reservation.