It sounds like 6 BHCCS per line.
Rathtrer than 6 lines generating 6 BHCCS.
6 BHCCS per line is found in the bsiness enviroment. I see about 2-3 BHCCS per line in suburban areas.
Also – that would be O+T CCS where O = 63%; T = 37%
Reply To: Relating 6 ccs to 96 POTS lines