Which two signaling methods are supported on Cisco FXO and FXS ports? (Choose two.)
A. loop-start
B. ground-start
C. AMI
D. E&M
E. kewlstart
Which two signaling methods are supported on Cisco FXO and FXS ports? (Choose two.)
A. loop-start
B. ground-start
C. AMI
D. E&M
E. kewlstart