I.420 - ITU ISDN Interface Standard
I.420 stands for ITU ISDN Interface Standard
Here you will find, what does I.420 stand for in Military.
Popular queries with answer
How to abbreviate ITU ISDN Interface Standard? ITU ISDN Interface Standard can be abbreviated as I.420 What does I.420 stand for? I.420 stands for ITU ISDN Interface Standard. What does ITU ISDN Interface Standard mean?ITU ISDN Interface Standard is an expansion of I.420
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