Multiple choice technology

One T1 Voice PRI Line have........Voice Channels

  1. 30

  2. 24

  3. 23

  4. 32
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A T1 PRI (Primary Rate Interface) line has 24 total channels (time slots). One channel (channel 0) is used for synchronization and signaling (D-channel), leaving 23 bearer (B) channels for actual voice/data transmission. The 24 option refers to total channels, while 23 is the number of usable voice channels.

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