who is calling, please
Very common
phrase
Typemultiword
Subtypephrase
Structurequestion word + finite verb + polite marker
UsagePolitely asking for the caller's identity on the phone.
Examples
Who is calling, please?
Hello, who is calling, please?
Hello, who is calling, please?
Excuse me, who is calling, please?
Can you say who is calling, please?