This is actually also used against legitimate businesses that are trying to collect on debts owed. Unless you specifically opt-in collectors cant call cell phones.
Deadbeats definitely use this to their advantage.
Then send them a summons via certified mail.
I think you misunderstand. There is no law against collection agents calling debtors.
The collection agency can not have a robot call.
I wonder now about my doctor, my dentist, my hospital and etc that have a robot call a day in advance to remind me of my appointment and sometimes leave a voice mail.
Collectors can make physical calls to people.
They just cant set up a machine to make a hundred calls a day.