Meaning of the word "be on another call" in English

What does "be on another call" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

be on another call

US /bi ɑn əˈnʌðər kɔl/
UK /bi ɒn əˈnʌðə kɔːl/
"be on another call" picture

Phrase

to be currently speaking with someone else on the telephone

Example:
I'm sorry, she can't talk right now because she is on another call.
He was on another call when I tried to reach him this morning.