What does I-CNIS stand for?
I-CNIS stands for "ISDN Calling Number Identification Services"
How to abbreviate "ISDN Calling Number Identification Services"?
"ISDN Calling Number Identification Services" can be abbreviated as I-CNIS
What is the meaning of I-CNIS abbreviation?
The meaning of I-CNIS abbreviation is "ISDN Calling Number Identification Services"
What does I-CNIS mean?
I-CNIS as abbreviation means "ISDN Calling Number Identification Services"
