Follow this below steps to add call now button in header bar:
You will find this option in the WordPress Dashboard -> Navigate to AMP option panel -> Design -> Header -> Enable “Call Now Button option” and enter the phone number and then click on the “Save changes” button.
Call Now Button: By enabling this option, you will get the field to enter the phone number. It will display on the header bar.
The Output of the Call Now button in AMP
That’s it for this tutorial!
We hope it helped you. If you have any feedback or questions, then please share them in the comments section below.