What does USSN stand for?
USSN stands for "Unstructured Supplementary Service Notify"
How to abbreviate "Unstructured Supplementary Service Notify"?
"Unstructured Supplementary Service Notify" can be abbreviated as USSN
What is the meaning of USSN abbreviation?
The meaning of USSN abbreviation is "Unstructured Supplementary Service Notify"
What does USSN mean?
USSN as abbreviation means "Unstructured Supplementary Service Notify"
