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Glossary Glossary

Private Branch Exchange (PBX) Explained

Private branch exchange is a phone system that allows you to connect all of the phones in a building. Users of the system can dial internally or externally using shared phone lines. In the original case, the PBX was not a thing but a switchboard operator. It was a person with plugs who would connect your extension to an outside line.

Glossary Glossary

Voice over Internet Protocol (VOIP) Explained

VoIP is when voice and other data is sent over IP networks, which is the networking of the internet. More importantly, every phone call in the modern LTE network is a VOIP call. When you make a call on an LTE cell phone, that's VOIP. You don't know it's VoIP because it's built into the network.