What does ATTIS stand for?
ATTIS stands for "AT&T Information System"
How to abbreviate "AT&T Information System"?
"AT&T Information System" can be abbreviated as ATTIS
What is the meaning of ATTIS abbreviation?
The meaning of ATTIS abbreviation is "AT&T Information System"
What does ATTIS mean?
ATTIS as abbreviation means "AT&T Information System"
