Which four types of high-density trunk can be used to connect to an ITSP?

seenagape

9 years ago

Which four types of high-density trunk can be used to connect to an ITSP? (Choose four.)

A.
T1/E1 CAS

B.
FXS

C.
T1/E1 PRI

D.
E&M

E.
SIP

F.
H.323