Yes, if you have Headquarter user on Dashboard, and "Read" role assigned, you'll be able to do it yourself through Settings tab.
Please, find here all the information to do it: How to add a user's telephone number on Dashboard
Yes, if you have Headquarter user on Dashboard, and "Read" role assigned, you'll be able to do it yourself through Settings tab.
Please, find here all the information to do it: How to add a user's telephone number on Dashboard