What does SIF stand for?
SIF stands for "SONET Interoperability Form"
How to abbreviate "SONET Interoperability Form"?
"SONET Interoperability Form" can be abbreviated as SIF
What is the meaning of SIF abbreviation?
The meaning of SIF abbreviation is "SONET Interoperability Form"
What does SIF mean?
SIF as abbreviation means "SONET Interoperability Form"