Which of the following are analog signaling types? (Choose two)
A.
QSIG
B.
E&M
C.
DTMF
D.
Q.931
Which of the following are analog signaling types?
Which of the following are analog signaling types? (Choose two)
Which of the following are analog signaling types? (Choose two)
Which of the following are analog signaling types? (Choose two)
A.
QSIG
B.
E&M
C.
DTMF
D.
Q.931