What does TSS stand for?
TSS stands for "Telephony Switching Sub-System"
How to abbreviate "Telephony Switching Sub-System"?
"Telephony Switching Sub-System" can be abbreviated as TSS
What is the meaning of TSS abbreviation?
The meaning of TSS abbreviation is "Telephony Switching Sub-System"
What does TSS mean?
TSS as abbreviation means "Telephony Switching Sub-System"
