Battery is just terminology that the Bell System used to refer to voltages being provided by power supplies. Maybe this dates back to the days when power for the phone network really was provided by batteries. Who knows?
Our resident vintage Western Electric guru (Arthur P. Bloom) might chime in with a real answer to your question.
Visit Atcom to get started with your new business VoIP phone system ASAP
Turn up is quick, painless, and can often be done same day.
Let us show you how to do VoIP right, resulting in crystal clear call quality and easy-to-use features that make everyone happy!
Proudly serving Canada from coast to coast.
