I will continue to call it stutter dial tone.
simple conversation:
"Can I get a MW indication with a lamp?"
"yes, it is stutter dial tone with MWA on in the CLS."
Gov conversation:
"I need a MW tone when I do not have a lamp."
"with MWA on in the CLS you will get Message tone."
"Message tone?, what is that?"
"a tone that tells you ya got a message."
"what does it sound like?"
"Stutter dial tone."