Which phone number format on the site is correct for mobile browsers?

Question

iOS

What is the best way to write down a phone number on the pages of the site so that it can be selected and called by clicking in mobile browsers under both IOS and Android?

[phone]
[phone]
[phone] In

other words, do brackets, spaces and hyphens interfere or not?

Answer 1

It is better to put the number inside the link: On bucket devices, clicking on a link written in this form brings up a window with a choice of a telephone application (if there are several) or immediately offers to call if it is one.

Answer 2

I went from a smartphone, all three of your options were correctly recognized. Android 4.1.2 stock browser.

Answer 3

According to generally accepted rules, the phone is written as +XXX (YYY) ZZZ-ZZZZ or + XXX (YYY) ZZZ-ZZZZ.
The presence of a plus in front of a long sequence of numbers is already a reason for a mobile browser to identify it as a phone.