There are a lot of companies that have emergency contact capability for their customers
, but a growing number have them for their employees as well. This arrangement helps a lot of people manage their company or non-profit organization better because it allows them to always available when a problem arises. For large companies, you might not want to make your cell phone number openly available to just anyone. The same goes for your home number. However, with an emergency paging service or just an answering service, they will contact you in an emergencuy without the callers knowing what your telephone numbers are.