What does ISTS stand for?
ISTS stands for "International Switched Transit Service"
How to abbreviate "International Switched Transit Service"?
"International Switched Transit Service" can be abbreviated as ISTS
What is the meaning of ISTS abbreviation?
The meaning of ISTS abbreviation is "International Switched Transit Service"
What does ISTS mean?
ISTS as abbreviation means "International Switched Transit Service"
