What does PSTS stand for?
PSTS stands for "Public Switched Telecommunication Services"
How to abbreviate "Public Switched Telecommunication Services"?
"Public Switched Telecommunication Services" can be abbreviated as PSTS
What is the meaning of PSTS abbreviation?
The meaning of PSTS abbreviation is "Public Switched Telecommunication Services"
What does PSTS mean?
PSTS as abbreviation means "Public Switched Telecommunication Services"
