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Wireless Mobile Communications
Integrated Services Digital Network Isdn
Q
ISDN is based on the concept of __________
AA. Ss7
BB. Ccs
CC. Ardis
DD. Cdpd
Correct Answer:
B. B. Ccs
Explanation:
ISDN is a complete network framework designed around the concept of common channel signalling. While telephone users throughout the world rely on the PSTN to carry conventional voice traffic, new end-user data and signalling services can be provided with a parallel, dedicated signalling network.
