Making telephone calls

Is Chen Huan there? Is that Chen Huan speaking?

… 在吗? 你是…吗?

This is Sally Maxwell speaking.

我是…

Who is calling, please?

你是谁?

Hold the line, please.

Sorry. He isn’t here right now / at the moment.

Can I take a message?

I’ll call back later.

请别挂断电话.

很抱歉, 他此刻不在。

我能带个信吗?

我稍后会再打来。