If you need support from Yola please contact us via firstname.lastname@example.org or make use of our live chat service! We are working on a new approach to community-based support and during this transition period we are not adding any new threads to this forum. Many thanks to everyone who has participated over the years and we look forward to unveiling a new peer-to-peer support system soon!
Gop is correct about mobile publishing providing a click to call button for mobile devices. You may also want to check out point 2 in this blog post for phone solutions that will benefit you on non-mobile devices as well.