Are you there?

Indirect questions, that is, statements that a question has been asked, do not require the interrogation.

He asked me if I was there.

He asked the question, Are you there? and received no answer.

2. At the end of each of a series of questions thrown into a single sentence.

Did he speak in an ordinary tone? or shout? or whisper?

3. The interrogation, like a certain inflection in the voice, may indicate that a sentence, though declarative in form, is really a question and requires an answer.

You are, of course, familiar with New York?