Sunnysideup\PhoneField\Model\Fieldtypes\PhoneField::TellLink
https://stackoverflow.com/questions/1164004/how-to-mark-up-phone-numbers this is the better of the two.
Signature
public function TellLink([int
$countryCode = NULL] )
Parameters
$countryCode
— int- (e.g. 64) - leave blank to use default, or set a different country code,
set to zero to have no country code.