We have sales person that will work with their own set of contacts. They will not be sharing their contact. So it sounds like we should set the Owner of the contacts to be their sales person. However, We can only want them to read but not able to change any fields except notes or the contact phone number.
How would I achieve that,
1. Sales have their own set of contacts
2. Sales can only able to write to a limit set of fields of the contact or some fields of related entity of the contact.
What option do I have?