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Comcast VoIP and 56K Modem

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Rrrbt202

Technical User
Dec 4, 2002
18
US
My client has Comcast Cable TV and Comcast Digital Voice which is VoIP. The old phone company wires were disconnected from the outside box and Comcast plugged in its Digital Voice box to the house wiring thus putting all the phone jacks on the service.
My client has a single older computer with NetZero internet via a 56K modem.
The client is not paying comcast for broadband internet access, but it's my understanding that VoIP needs such service to function? All her phones now transmit via the cable TV line. The computer will no longer connect to the internet via the 56K modem, which I understand it because of how the packets of information travel on a phone line vs the cable line.
Now my questions:
1. Since VoIP uses broadband connection, she must be having broadband running in the back ground. How would I connect to this service without paying comcast for high speed internet also?
2. The alternate question is how do I configure the modem to work properly on broadband lines? Do I have to drop the speed to that of a fax - 14.4?
Comcast says: "unofficially - it's possible to utilize the broadband that exists for the Digital Voice service" Officially - they cannot tell me how to do it.
The Digital box that Comcast provided has only two phone jacks, no ethernet connections on it. I know that most service providers register the MAC address of the device to provide the service.
 
Ok, short and a little un-sweet.
1. You can't without doing something illegal and being damn good at it.
2. The other guy here does the VoIP right now so I'm not much help there, but as far as I know, you need a broadband connection. You can get by maybe with a 56k as long as it's full duplex capable, but I wouldn't recommend it. She just needs to buckle down and get broadband or go back to her old phone service.

Any help there?
 
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