What does IST stand for?
IST stands for "Integrated Secure Telephone"
How to abbreviate "Integrated Secure Telephone"?
"Integrated Secure Telephone" can be abbreviated as IST
What is the meaning of IST abbreviation?
The meaning of IST abbreviation is "Integrated Secure Telephone"
What does IST mean?
IST as abbreviation means "Integrated Secure Telephone"
