What are the steps to add a landline, a fax phone and another mobile phone in the publication ?. The fields would also take them from the profile, but the user could change them when publishing.

In other words: as it is now the mobile field, how could you put 3 more fields of the same type ?.

Use multilanguage attributes plugin.

but those attributes do not take them from the user's profile, they are blank attributes for each publication. The idea is that the fields will be filled out in the profile so that the user does not have to fill them in each time he makes a new publication