Which ISDN protocol prefix specifies switching and signaling?

A.) I

B.) E

C.) Q

D.) S



Which ISDN protocol prefix specifies switching and signaling? A.) I B.) E C.) Q D.) S..

Answer / guest

Answer: C

These protocols deal with ISDN issues:

E - Specifies ISDN on the existing telephone network.

I - Specifies concepts, terminology, and services.

Q - Specifies switching and signalling.

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