A call button for phones, what would transfer to dialing?

Question

Web development

Is there a ready solution? when tapping on the button, what would the user be transferred to dialing with an already given number.

Answer 1

I correctly understood that the standard solution does not fit?
<a href="tel:[phone]">61709</a>

Answer 2

html5.by/blog/href-tel-mobile-browser

Answer 3

Class names start with a number.