Can you answer Robert W’s question about VoIP?:

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?

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Can you answer Sara D’s question about VoIP?:

I have a college project and i have to come up with a VOIP network that will allow users to make calls through their IP Phones through a router. So far i have installed trixbox 2.6 n i am not sure what steps should i take next.
Do i need a VOIP phone service or can i use a simple service like att?
How can i make the phones conect to the router n the router can work with trixbox to make calls?
Plssssssss any help will be good i am stuck guys Thank you
Sara

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