3CX Receive and make phone calls via PSTN lines using a VOIP Gateway

3CX Phone System does not require you to use a VOIP Service provider – you can continue to make and receive calls on your existing phone lines with a VOIP Gateway. There are numerous VOIP Gateway types and brands and most of them are relatively inexpensive. A 4-port analog VOIP gateway is available for a few hundred dollars, whereas a VOIP Gateway supporting one or more E1/T1 connections starts at $3,000. Use any quality brand – 3CX will never lock you into a particular gateway brand.

System overview	Web based configuration	Adding extensions
Managing extensions	Status monitor	Configuring a VOIP Gateway
Creating lines	Add a VOIP provider	Line management

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