Cal Communications was a phone repair company under the employment of CTU Los Angeles during Day 2. After Eddie Grant's group disrupted telephone service to CTU, Cam Strocker and Danny from Cal Communications arrived at the phone antenna to fix the problem. They were ambushed by Grant, Jack Roush, Chris Jones and Scott Owen, who killed Danny and forced Cam to help them get into CTU Los Angeles to blow up the building. ("Day 2: 10:00am-11:00am")