Dynamically replaces a phone number in a hyperlink to enable call tracking. Executes a CORS request to substitute the number.
|Supported Layouts||container, fill, fixed, fixed-height, flex-item, responsive|
|Examples||See AMP By Example's amp-call-tracking example.|
<amp-call-tracking> tag must wrap a normal anchor tag that hyperlinks a phone number. This phone number will be replaced with the values provided by a CORS endpoint.
<amp-call-tracking config="https://example.com/calltracking.json"> <a href="tel:123456789">+1 (23) 456-789</a> </amp-call-tracking>
Each unique CORS endpoint is called only once per page.
Defines a CORS URL. The URL's protocol must be HTTPS. The response must consist of a valid JSON object with the following fields:
Your XHR endpoint must implement the requirements specified in the CORS Requests in AMP spec.
See amp-call-tracking rules in the AMP validator specification.
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