html call to action on click of phone number. Ionic - Click to call. Making a Phone call from ionic app.

Make sure you added this code in your confiig.xml

    <allow-intent href="http://*/*"/>
  <allow-intent href="https://*/*"/>
  <allow-intent href="tel:*"/>
  <allow-intent href="sms:*"/>
  <allow-intent href="mailto:*"/>
  <allow-intent href="geo:*"/>

Here is the snippet

<a href="tel:18475555555">Mahesh</a>

<a href="tel:18475555555">1-847-555-5555</a>