Send me a message on my phone number "saying/reading hello".

[tufguy]

Send me a message on my phone number "saying hello" or "reading hello"?
Please check my sentence.

What do we say for messages "saying" or "reading"?

 

[jutfrank]

Send me a message saying "hello".

 

[SoothingDave]

Or "that says."

 

[PeterCW]

I believe that "reading" or "reads" is used in military and technical situations. I wouldn't expect to hear it socially or in business.