The better phrase to use to refer to the 3 dots being used to indicate a pause in speech is Suspension point.
See Collins English Dictionaries:
Suspension point - mainly US one of a group of dots, usually three, used in written material to indicate the omission of a word or words. Compare ellipsis (sense 2)*.
* Ellipsis - Also called eclipsisomission of parts of a word or sentence printing a sequence of three dots (...) indicating an omission in text.