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Faxing using Comcast modem phone line

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Message 1 of 3
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I've hooked up my fax machine to port 1 on my Comcast modem.  I can send and receive voice phone over the fax machine.  When trying to send a fax, I get the dial tone, dialing sound and receiving sound, but the transmission will not initiate.  Is there an issue with using Comcast modem service for faxing?  This used to work with wall connected service.

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Posted by
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Message 2 of 3
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You should be able to fax having the fax machine connected directly into the Comcast cable modem phone jack, I've done it on a few occassions with my multi-function printer/copier/fax.   

 

Here is some detail on how to troubleshoot the faxing issue

Posted by
Official Employee

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Thank you for reaching out to us and I would like to assist you from here. Can you verify your account information with me? I would need your account number, full name, and service address. You can private message me by clicking my name and clicking private message. 




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