What does IRT stand for?
IRT stands for "Immediate Ringing Tone"
How to abbreviate "Immediate Ringing Tone"?
"Immediate Ringing Tone" can be abbreviated as IRT
What is the meaning of IRT abbreviation?
The meaning of IRT abbreviation is "Immediate Ringing Tone"
What does IRT mean?
IRT as abbreviation means "Immediate Ringing Tone"
