Convergent Resources, Inc. Debt Collection Complaint

Convergent Resources, Inc. Debt collection department,

I do not know Communication tactics Frequent or repeated calls California

i have been receiving calls from several numbers - - - - Caller ID state " Convergent '' nothing else since the beginning of -, they call about 5 time or more a day from different numbers and leave no message. I spoke with them in the past about this issue about a year ago and they stopped. They stopped because i threaten to file a lawsuit against they because they stated i owe them when i have documentation providing i dont. and now its starting to happen again attached are screenshots of recent harassing calls but not all.