Words similar to caller

Example sentences for: caller

How can you use “caller” in a sentence? Here are some example sentences to help you improve your vocabulary:

To get a caller (or a reader) to participate for the first time indicates a growing audience.
Caller says, “Thank you for taking my call.”
where the name of the person and most of the message is garbled (because the caller is slurring), but the number is the only understandable part of the message?
What the authors fail to mention is that the treatment the caller receives sometimes depends on who the presenter is.
It came from an anonymous caller.