Which of the following is a factor contributing to call blockage?
A)too few SS-7 links
B) inadequate switch processing
C) too few trunks or circuits
D) DTMF receivers
E) all of the above

Question

Quizplus · Accepted Answer

Factors contributing to call blockage include too few SS-7 links, inadequate switch processing, and too few trunks or circuits. DTMF receivers are not directly related to call blockage but are involved in tone dialing processes.

Which of the Following Is a Factor Contributing to Call