A. internal communication system
B. standard dialling system
C. subscriber’s trunk dialling system
D. international telecommunication
E. coded dialling order
Correct Answer:
Option C – subscriber’s trunk dialling system
A. internal communication system
B. standard dialling system
C. subscriber’s trunk dialling system
D. international telecommunication
E. coded dialling order
Correct Answer:
Option C – subscriber’s trunk dialling system
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