Advice on filling in same telephone number - contacts and company

Advice on filling in same telephone number - contacts and company

Hello all, 

I need some advice on filling in the telephone number with contacts and company.

For example a company has one central telephonenumber -let's say 123 456 789- where the total company and it's contacts are reachable. Would you also add the telephonenumber 123 456 789 as the number of the contacts or would you leave that empty? 

Actually - the same question goed for emailadresses. Company mail adres - info@company.com. For example two employees who also use info@company.com as their mailadres. Would you fill in the emailaddres at the company and/or the contacts? And how does that influence Zoho CRM.

Thanks!