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:

The Order also requires covered carriers to offer certain 911 enhancements in the next 18 months, including the ability to relay a caller's phone number and the location of the base station or cell site receiving a 911 call.
The C-SPAN caller who got all this started identified himself as the columnist "HC" from a satirical Website called C3F .
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?
This device merges a Caller ID-ready, 900 MHz cordless phone with e-mail and calendar systems.