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Automated Spam Call Screening for The Lead Guy

The Lead Guy generates leads for other businesses, and the phone numbers on its marketing sites forward each inbound call to the right client. Real callers are potential customers, but those same numbers also pull in cold callers and robocalls around the clock. I built a screening layer that catches the junk before the phone ever rings.

Spam calls blocked by a filtering shield while a genuine call connects
The Lead Guy The Lead Guy

Project Information

  • Category :

    Call Filtering & Lead Routing

  • Client :

    The Lead Guy

  • Service :

    Custom Automation

  • Delivered :

    2026

  • Location :

    New Zealand

Project Challenges

Sorting junk from genuine calls by hand took time out of every day, and the real enquiries were easy to lose in the clutter. Blacklisting numbers one by one only ever happened after the damage was done, and the list was never complete. On top of that, the businesses receiving the calls needed relief from nuisance callers without being handed another job to do.

  • High Spam Volume – cold and automated callers kept hitting the tracked lead-generation numbers.
  • Real Leads at Risk – genuine enquiries could be missed or answered late because of the noise around them.
  • Manual Screening – blocking numbers individually was slow, always one step behind and never complete.
  • Client Protection – the businesses taking the calls needed the nuisance gone with no added effort on their side.

Project Results

Spam and cold calls are now stopped automatically before they reach a person, and the block list grows and maintains itself. Genuine leads come through untouched and are tracked from the first ring to the follow-up, which gives The Lead Guy and the businesses it serves a real, ongoing time saving.
  • Known-Offender Spam List Matching
  • Geographic Mismatch Detection
  • Behavioral Fingerprinting
  • Self-Building Shared Block List
  • Automated Post-Call Follow-ups
Call management dashboard with blocked spam calls and connected leads

Project Summary

I put a live filter between each incoming call and where it would land. Before a call is allowed through, the caller is checked against a shared spam list, tested for a geographic mismatch and compared against known behavioral patterns.
A call that fails any check is intercepted and played an automated message, and its number is added to the shared spam list on the spot. Each attempt makes the system sharper: once a number is blocked, it is blocked for every client, so a block triggered on one account protects all the others. A genuine caller goes directly to the correct destination, the call is logged, and the right people are notified. When the call finishes, a second stage updates the lead record, removes duplicates, checks the number against the spam list again and sends prompt follow-ups to both the lead and the business owner.

"Jared Lean Digital were great from the start. They've helped us on many projects, including a spam call blocker that analyzes incoming calls, prevents the calls from connecting, and saves our clients from having to deal with cold calls without having to manually exclude every call. A huge time saver."

Mike
The Lead Guy