How many B channels does an ISDN PRI support?
A.
2
B.
8
C.
23
D.
48
Explanation:
Section Reference: Defining Other WAN Technologies and Internet Connectivity
A primary rate ISDN (PRI) is 1.536 Mbps, and it runs on a T1 circuit. PRI has 23 equal 64 Kbps B channels for
data, along with one 64 Kbps D channel for timing.