“Hi Amy. This is Zack.”

English Lesson: Hi Amy. This is Zack.

You're having a meeting with your coworker Brenda in her office. You think of a question that you want to ask another coworker, Amy, about, so you call Amy from Brenda's telephone. When Amy answers, you say this.

Hi Amy. This is Zack.

Audio by native English Speakers

This is (your name)

On a telephone call, identify yourself with "This is ___":

Hi, this is Aaron Knight. Can I speak with Mr. Jones please?

Don't say "I am ___." That's a good way to introduce yourself when you meet someone for the first time in person, but it's not correct for telephone conversations.

When someone asks to speak to you on a telephone call, and you want to tell them that it's you, use "This is he/she.":

A: Hi, can I speak with Masahiro Tsukada?

B: Yes, this is he.