Phone question

I have a phone on my desk that works fine.
I just got a fax modem to send faxes
Now when i plug the desk phone into the modem i get no dial tone.
Any suggestions

The modem is a Conexant D850 PCI V.92

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Dell Inspiron
Pentium dual-core 2.2 GHz
2 GB DDR2 SDRAM
Windows Vista Home Premium SP1

"desgnr" <> wrote in news:97All.228$hm.201
@nwrddc02.gnilink.net:

> I have a phone on my desk that works fine.
> I just got a fax modem to send faxes
> Now when i plug the desk phone into the modem i get no dial tone.
> Any suggestions
>
> The modem is a Conexant D850 PCI V.92
>

With due respect, I believe that you have the line in and phone jack wires
reversed. Try swapping them. The phone should be dead when the fax is
working and live when not faxing.