VOIP line for fax??

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can I connect my fax machine to a VOIP line (BT Broadband talk) via the router or is the signal quality not going to be good enough :?
 
I haven't tried it, but I believe the voice codecs used for the analogue to digital conversion often recognise fax/modem signals and transmit them as raw data to conserve bandwidth. The speed may be limited to the speed of the voice channel, which is something like 9.6 KBPS.
 
best way to find out is to try it, as others have said it almost certainly depends on the implementation. If it doesn't work you may be able to get it to by forcing a different codec at the voip box.
 
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