A. Internal Communication System
B. Standard Dialling System
C. Subscribers Dialling System
D. International Telecommunications
E. Coded Dialling Order
Correct Answer:
Option B – Standard Dialling System
A. Internal Communication System
B. Standard Dialling System
C. Subscribers Dialling System
D. International Telecommunications
E. Coded Dialling Order
Correct Answer:
Option B – Standard Dialling System
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