Multiple Choice
Match each statement below with the correct item
-A method of out-of-band signaling developed by AT&T in the 1970s.
A) AM
B) Backbone
C) Carrier wave
D) Companding
E) Band
F) 5ESS
G) Busy circuit
H) Codec
I) Common channel signaling
J) 1ESS
Correct Answer:
Verified
Correct Answer:
Verified
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