Multiple choice

Connections between CO switches and customers that can carry more than one call at a time

  1. PSTN

  2. Loop start

  3. Trunk

  4. SS7

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A trunk is a communication line or link designed to carry multiple signals simultaneously to provide network access between two points, typically between two switching centers or a switch and a PBX.