Zero-second calls: the invisible Google Ads problem for Dubai clinics

A Dubai clinic owner asked us why his Google Ads dashboard said 47 calls a week but the reception phone barely rang. The campaign reported call extensions. The reception said the line was quiet. Both were telling the truth.

Most of those 47 calls were under 3 seconds long. The patient tapped the call button, decided not to talk, and hung up before the line connected.

This is the zero-second call problem. It looks great on the campaign report and produces nothing on the calendar.

Why zero-second calls happen

Three reasons, in order of how often we see them in the UAE.

Misclicks on mobile. The call extension sits in a tappable area on the search result. Thumbs hit it by accident, especially when the user was trying to tap the headline. They cancel the call immediately.

Second thoughts. The patient was researching. The "Call" button was a curiosity tap. Once the phone started dialling, they realised they were not ready to actually talk yet, and hung up.

Voicemail aversion. The patient calls outside business hours, hears a voicemail prompt, hangs up before recording. This counts as a call in Google Ads. It counts as nothing for the clinic.

Why this matters more than it looks

If your Google Ads conversion goal is "phone call from ad", zero-second calls are inflating your conversion count. Smart Bidding is being trained to optimise for clicks that produce calls of any length, including 1-second hangups.

Over time, Smart Bidding bids higher on the keywords, devices and times that produce those false-positive calls. The campaign reports more conversions. The clinic reports fewer bookings. The agency and the owner argue about whose fault it is.

The fix in one setting

Inside Google Ads, go to the call conversion action. Set "minimum call length" to 60 seconds (some clinics use 30, but 60 is cleaner). Save.

From that moment, only calls longer than 60 seconds count as conversions. Zero-second calls still happen, but Smart Bidding stops learning from them.

The reported conversion count will drop the next morning. This is normal and a sign the data is now honest. Within 2 to 4 weeks, the bid strategy will refocus on keywords and times that produce real conversations.

Bonus settings worth checking while you are there

Call-only ads outside business hours. Schedule them off. There is no point spending budget on calls that will land in voicemail.

Call extension start/end hours. Tighten them to the hours someone is on the phone.

Tap-to-call link on the landing page. Wrap real phone numbers in tel: links and verify they trigger a call when tapped. Make sure the number on the page matches the number in the ad. Mismatches confuse the patient.

The point

If your Google Ads dashboard claims more calls than your reception remembers, the dashboard is counting zero-second taps as conversions. Fix the minimum call length setting first. The reported number will drop. The real number, the one that ends in a booking, will rise.

Published 25 May 2026 · Access One