美国人打电话的习惯用语，或者习惯

hollo
may i speak to ~~~~?
i am sorry /i am afraid ~isn't here.
can i help you to take a massage for you ?
you can leave a massage for ~~..

who's that
it'me
要求对方有回应：so...what do you think so?

who' that?
this is....speaking.
sorry,he/she isn't in now.
can i take a message?

Hi?
ANybody there??

yep