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.
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SIP is a protocol that tells the end points and the intermediate systems how to set up a virtual session between two or multiple end points. It enables the creation and deployment of feature-rich services that go far beyond simple IP telephony phone calls.
The tele in telecommunications is about voice or personal, person to person communications and the technologies that underlaid that.
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.
Learn all about the internet of things. IoT is the concept that the devices and objects that you interact with or are part of a system....
We asked 12 industry experts what digital transformation means to them to help you understand what digital transformation means for your business.
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