A point of sale (POS) machine was originally used to electronically process credit cards, debit cards, and check transactions. Its use has evolved to also support gift cards, age verification, and employee time clocks. POS machines can either be wireline or wireless.
When you use a POS machine with VoIP, you may occasionally run into problems. A POS machine may fail to connect or may not find a valid number to complete a transaction. Here are some things you can check to help ensure that your POS machine works correctly with VoIP.