Call Conversion Tracking | Measuring Phone Enquiries

In many sectors customers do not fill in forms, they call. Clinics, law firms, repair services, local trades — the real conversion happens on the phone. If those calls are not measured, campaigns look worse in reports than they actually are.

Why it is critical

An unmeasured conversion is treated as a conversion that never happened. Because Google Ads only learns from the signals it sees, a campaign that converts by phone looks like it is wasting money, and smart bidding pulls budget away from it.

In local service businesses this is the most common structural measurement gap I encounter. In accounts running Maps ads the effect is even larger, since a large share of that interaction is a direct call.

Three measurement points

First, taps on the phone number on the site. A mobile user tapping the number can be measured; this is the easiest setup but the weakest signal, because not everyone who taps actually calls.

Second, calls from the call extension in the ad. These are measured directly in Google Ads, and calls longer than a set threshold can be counted as conversions.

Third, a forwarding number: the number shown on the site changes according to the visitor’s source, and the call is recorded knowing which campaign it came from. This is the strongest method but requires extra infrastructure.

Filtering low-quality calls

Not every call is a customer. Wrong numbers, job seekers, suppliers, existing customers asking for support — counting all of them as conversions pollutes the data.

The most practical filter is call duration: not counting very short calls eliminates most low-quality ones. The threshold has to fit your business; low where appointments are booked quickly, higher where calls need longer conversation.

The reality of opening hours

Directly related to measurement but frequently ignored: a call nobody answers is a loss. Aligning ad schedules with the hours the phone is actually answered produces gains independently of measurement.

The hourly distribution of calls gives enough data to make that adjustment. Raising bids during peak hours is another decision that comes out of the same data.

How do we start? First I work out which channel your customers actually use and how much of it current measurement captures. I send the setup plan in writing. You can reach me from the contact page.

Frequently Asked Questions

Is counting number taps enough?

Better than measuring nothing, but it is a weak signal; not everyone who taps calls, and some callers dial manually. Where possible, move to a method that measures the actual call.

Do I need to record calls?

Not for measurement. If you do record, the other party has to be informed and privacy requirements met; measurement and recording are separate matters.

How are WhatsApp enquiries measured?

That needs a separate setup; the tap can be measured but the outcome of the conversation cannot. I cover it on the WhatsApp conversion tracking page.