What does USL stand for?
USL stands for "Unbundled Sub Loop"
How to abbreviate "Unbundled Sub Loop"?
"Unbundled Sub Loop" can be abbreviated as USL
What is the meaning of USL abbreviation?
The meaning of USL abbreviation is "Unbundled Sub Loop"
What does USL mean?
USL as abbreviation means "Unbundled Sub Loop"
