What does CISS stand for?
CISS stands for "Call Independent Supplementary Service"
How to abbreviate "Call Independent Supplementary Service"?
"Call Independent Supplementary Service" can be abbreviated as CISS
What is the meaning of CISS abbreviation?
The meaning of CISS abbreviation is "Call Independent Supplementary Service"
What does CISS mean?
CISS as abbreviation means "Call Independent Supplementary Service"
