The power and pitfalls of call tracking with Google Ads

Google call tracking works by replacing your phone number with a Google forwarding number, either in the ad itself or on your website after someone clicks an ad, and counting calls that last longer than a length you set as conversions. Google records the call’s start time, duration, whether it connected and, for calls over 15 seconds, the caller’s phone number. It is free, it covers Google Ads only, and it does not record the call.

That last sentence is the whole story: powerful for what it measures, limited in what it can tell you. This guide covers how it works, the area-code question, tracking calls from SEO and social as well as paid, and feeding call outcomes back into bidding.

How does Google call tracking work?

Google Ads assigns a forwarding number that routes to your real number and logs the call on the way through. Google’s call reporting page sets out the mechanics. There are two places the number appears.

In the ad. When you add a call asset (or run a call ad) and turn on call reporting, Google shows a forwarding number instead of your own. Calls made from the ad are logged with duration, start time and whether they connected, and any call longer than the threshold you choose is counted as a conversion.

On your website. Google’s website call conversions tag swaps the number on your page for a forwarding number for visitors who arrived from an ad, so calls made after reading the site are attributed to the click. The default tag tracks one number per page, and you set a minimum call length before a call counts.

Forwarding numbers are available in Australia with both local and toll-free options. They can change or be reassigned, and Google says they cannot be used outside call reporting and website call conversions, so never publish one anywhere permanent.

Does call tracking only provide the area code?

Not any more. Google’s call reporting shows the caller’s phone number for calls over 15 seconds, along with start time, duration and whether the call connected. Shorter calls show less. What Google does not provide is a recording, a transcript, the caller’s name or any note of what the call was about.

The area-code question usually points the other way: what number does the caller see? Google’s page says a forwarding number will share your business’s area code or prefix where possible, otherwise use a local code for your region, and fall back to a toll-free number if no local number is available. For a Perth business that means callers will usually see a local number, which matters because people are more willing to ring one.

A dedicated call tracking platform goes further: full caller ID on every call, a recording, an outcome tag and the pages the caller visited before dialling.

How do you track calls from Google Ads?

Three ways, and most businesses end up using two of them.

1. Call assets and call ads with call reporting. Counts calls made directly from the ad. Set the conversion action, choose a minimum duration, and decide whether every call counts or one per user.
2. Website call conversions. Counts calls made from your site after an ad click, using the swapped number. This is the one most businesses miss, and it is where most considered enquiries happen.
3. Imported call conversions. Your CRM or call tracking platform records which calls became real enquiries or sales and uploads them to Google Ads, matched against Google’s call record. Google’s importing call conversions page describes the process and notes that it requires Google forwarding numbers.

Whichever you use, test it. Search for your own ad, ring the number, and confirm the conversion appears in the account. Untested tracking is the usual reason an account reports zero calls from a business whose phone rings all day.

How do you track calls across PPC, SEO and social?

Google’s forwarding numbers only cover Google Ads. To see which channel a call came from across paid search, organic search, social, email and print, you need a call tracking platform with a pool of numbers and dynamic number insertion. PWD’s call tracking service works this way: a unique number per channel, with the number on the page swapped according to how the visitor arrived, and each call logged with its UTM source and medium, the paid search keyword, the Google click ID, and the pages the caller visited beforehand.

What to consider when setting it up:

• Pool size. Session-based tracking assigns a number to each visitor for the length of their visit. The pool has to be large enough for your concurrent traffic or visitors start sharing numbers and attribution blurs.
• Local SEO. Do not rotate the number in your Google Business Profile or in directory citations. Consistent name, address and phone details across those listings are a local SEO fundamental, and a changing tracking number breaks them. Use a single static tracking number there if you must, and keep your real number as the canonical one. Our local SEO page explains why consistency matters.
• Social and offline. Give each social platform, each print run and each signage placement its own static number. Dynamic insertion is for the website.
• Click ID capture. Make sure the platform stores the Google click ID and the equivalent from Meta and other platforms, so calls can be sent back as conversions.
• Recording and consent. Recording calls for training is standard practice, and callers should be told. Recording is what lets you grade calls rather than count them.
• Reporting. Calls should land in one portal with the rest of your conversions, with email or SMS alerts for missed calls.

How do you set up CallTrackingMetrics or another platform with Google Ads?

By connecting the platform’s Google Ads integration and mapping its call outcomes to conversion actions. CallTrackingMetrics, CallRail and similar platforms all offer one, and the exact steps live in each provider’s documentation. The shape is the same:

1. Create the conversion actions in Google Ads that you want calls to feed (for example, qualified call, booked appointment, sale).
2. Authorise the platform to access the Google Ads account.
3. Install the platform’s tag on the site, with the Google click ID captured on every visit.
4. Map call outcomes (tagged by staff or by rules such as duration and first-time caller) to those conversion actions.
5. Test with a live call from an ad click and confirm the conversion appears in Google Ads under the right name.

Do not send every call as a conversion. If wrong numbers count the same as a new customer, automated bidding optimises toward phone calls of any kind.

How can call outcomes inform bidding in Google Ads?

By importing only the calls that mattered, with a value attached, and letting automated bidding optimise toward them. Google’s own guidance on imported call conversions says automated bid strategies work best when the most up-to-date conversion data is imported regularly, and gives the example of raising bids on the keywords that produce the most sales calls or using Target CPA to get more of them.

In practice that means:

• Grade calls, then import the grades. A qualified lead, a booked job and a sale are separate conversion actions. Wrong numbers and existing customers are not imported at all.
• Attach values. If a booked job is worth more than an enquiry, give it a higher conversion value and bid on value rather than volume.
• Schedule around answering. If nobody picks up after 5pm, call conversions after 5pm are missed calls. Use ad scheduling and call asset scheduling to match the hours the phone is staffed. Our guide to choosing the right bidding strategy covers where call conversions fit.

The pitfalls

Call tracking has four traps, and none of them are in the software.

Counting is not grading. Google counts calls over a set length. A three-minute call with a supplier is a conversion. Without recording or outcome tagging, cost per call is not cost per lead.

One number per page. Google’s default website tag tracks one number. A page with a sales number and a support number, or several locations, needs manual work or a platform built for it.

Numbers you do not own. Forwarding numbers can be reassigned, and tracking numbers supplied by an agency usually stay with the agency. PWD’s own terms state that tracking telephone numbers remain the property of PWD. That is normal, and it means you should never put a tracking number on a vehicle, a sign, a Business Profile or a printed brochure. Your real number goes there. Tracking numbers live on the website and in ads, where they can be changed in a minute. Our guide to switching agencies without losing rankings covers what to check on call tracking numbers before you give notice.

Nobody tests it. Ring your own ad monthly.

When to hand call tracking to an agency

Hand it over when calls are your main conversion and you are running more than one channel, when you need calls recorded and graded rather than counted, or when your Google Ads bidding should be learning from call outcomes and currently is not.

Keep it in-house if you run Google Ads alone, use Google’s free call reporting, and test it.

Get call tracking set up properly

PWD sets up call tracking across paid, organic, social and offline channels, records and logs every call in a portal you can access, and captures the Google click ID so qualified calls can be matched back to the campaigns that produced them. Everything is done in-house from West Leederville.

Talk to us about call tracking or call 08 6146 0195.