Why would someone use a VoIP number?

Why would someone use a VoIP number? VoIP allows sharing a phone number across multiple devices. Calls made to that number can be answered from any other device that uses the same number, thereby eliminating missed calls from customers and the need for call transfers.

VoIP allows sharing a phone number across multiple devices. Calls made to that number can be answered from any other device that uses the same number, thereby eliminating missed calls from customers and the need for call transfers.