VOIP Information Guide

Question by Robert W: Can I use VOIP on my internal network without outside service?
I need a pbx style phone system in my business but I dont have the funds for a traditional system. I have a wired/wireless ethernet system already installed throughout my business and was wondering if there was a way to use IP phones through the network internally without an outside VOIP service provider?

Best answer:

Answer by Colinc
If you have a pbx you already have internal extensions. To run voip you would need to install a sip server, this will be very expensive.

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