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How-to

Find out why calls from your Google Ads stopped

Updated October 11, 2026

30 minutes

Find where calls from your Google Ads stopped before blaming a phone number change. Compare four columns for the quiet days against the days before: Impr., Phone Impr., Phone calls and Conversions. The first one that fell shows where the calls stopped. Then find the matching edit in Change history and call the number yourself.

Before you start

  • The date the calls stopped, and your own call log for a week either side of it.
  • A login to the Google Ads account that can open reports and Change history.
  • A second phone to call the numbers in your ad and on your website.

Find the first number that fell

The first column that dropped, compared with the days before, tells you where the calls stopped.

  1. Click the Campaigns icon, open the Campaigns drop-down and click Campaigns. Click the Columns icon, choose Call Details, tick Phone Impr. and Phone calls, and click Apply.
  2. Note Impr., Phone Impr., Phone calls and Conversions for the quiet days, then for the same number of days just before.
  3. If Impr. fell, the ads showed less or stopped. Look at the campaign's status, budget, bids and targeting before the phone.
  4. If Impr. held and Phone Impr. fell, the ads showed without the number, or call reporting was turned off. The call button how-to below covers why, including Performance Max moving off Search.
  5. If Phone Impr. held and Phone calls fell, fewer people dialed the number they saw. Look for what changed in the ad on those days.
  6. If Phone calls held but your own log fell, Google still receives the calls and they are not reaching your line. Test the number (third part).
  7. If only Conversions fell, either the counting changed or the calls got shorter. Segment Conversions by conversion action to see whether the call action fell, confirm Calls from ads is still active and primary, and compare its call length with the durations in the call details report: shorter calls count as phone calls, not conversions.

Google files a call conversion on the day of the ad click, not the call, so leave out the last day or two.

Find the change on the day the drop began

An edit made the day calls stopped is a suspect, not proof, until the column that fell points the same way.

  1. Click Change history in the Campaigns menu and set the dates to a few days either side of the drop.
  2. Look for edits to call assets, conversion actions, budgets, bids, locations and ad schedules. The User column shows who made each one.
  3. Match the edit to the column. A new number in a call asset fits Phone calls holding while your log falls, or Phone Impr. falling if the number was disapproved. A budget, bid or location change fits Impr. or Phone Impr. falling.
  4. If you undo an edit and calls stay down for several days, that edit is unlikely to be the cause. Go back to the columns.

Google says change history may not list every account-level setting change. Read Call reporting under Admin, then Account settings, directly: with it off, Google Ads stops tracking Calls from ads as conversions.

Call the number yourself

With call reporting on, a call from your ad reaches a Google forwarding number first and is then routed to your line, so compare Google's log with yours and test the line.

  1. From a second phone, call the number in your call asset and make sure it rings the line that answers.
  2. Open the call details: click the Campaigns icon, open Insights and reports, click Report editor, and under Ads and assets click Call details.
  3. Match it against your log by start time and duration. Calls Google logged that your log lacks point at where the forwarding sends them. A run of missed calls means calls reached your line but were not answered, so check who picks up and when.
  4. If your site uses Google's website call tracking, click your ad (you are charged for the click), check the site shows a Google forwarding number, and call it. Delete the gwcc cookie before a repeat test.
  5. Before a new number goes into an ad, call it yourself first.

Check it worked

Over the next week, the column that fell should climb back, and the call details report should line up with your own log call for call.

Smart campaigns report calls a little differently

Google's Smart campaign help says reported calls exclude calls from Google Maps, and low-volume search terms may not get a forwarding number. In Smart campaigns, without voicemail or an answering service, unanswered calls after hours do not appear in reports and are not billed.

If the missing calls fall outside opening hours, add voicemail or schedule the ads to your hours.

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