How to understand that the call is from the mobile version?

Question

Mobile development

Hello!
There is a mobile version of the site by domain: ekb.etagi.com. There is a section of secondary housing, it contains objects. Objects have realtor phones that users tap on. The fact of a tap is measured using the goal set in the metric and analytics. Now the most interesting thing: how to measure that the call was made?
After tapa, an alert pops up, which asks - Call? And 2 possible answers - yes no. Here is what the user presses from this - the question. I will be glad to help.

Answer 1

do not
half-hide the number and the fact of opening track as a call
%% correct