Instead of "display the phone number," use code on all webpages to make the phone number a clickable link that opens a dial dialog on smartphones and mobile devices, or prompts the screen to add the number to the smartphone address book.
The code works but it takes clicking two times on the phone button at first, in order to begin making call - can you diagnose that issue? it should only be clicked once to begin making call
Instead of "display the phone number," use code on all webpages to make the phone number a clickable link that opens a dial dialog on smartphones and mobile devices, or prompts the screen to add the number to the smartphone address book.