Telephone field in contact form

-- Joomla version -- : 3.4.4
-- PHP version -- : 5.6
-- Browser(s) name and version -- : Firefox 40.0.2

Hello.

How I can add the "phone" field to the contact form product?

I do not know programming, so I thank them indicate the code might add.

Thanks a lot in advance.

Hi,

Go in the menu Display>Custom fields, and create a new custom field of the type "input" and of the table "contact".
It will work automatically, no need to code anything.

Thanks! Work!