What does ESU stand for?
ESU stands for "Exhange Signaling Unit"
How to abbreviate "Exhange Signaling Unit"?
"Exhange Signaling Unit" can be abbreviated as ESU
What is the meaning of ESU abbreviation?
The meaning of ESU abbreviation is "Exhange Signaling Unit"
What does ESU mean?
ESU as abbreviation means "Exhange Signaling Unit"
