[asterisk-users] IAX2 and Faxing

Davis Sylvester III davis at 5-9Networks.com
Wed Mar 14 14:00:31 MST 2007


Lee Howard wrote:
> Davis Sylvester III wrote:
>
>> Can someone tell me how to get faxing to work with an IAX2 remote 
>> client?
>
>
> Wish upon a falling star, throw a penny into a fountain, find a 
> four-leaf clover, and pat your head and rub your stomach all at the 
> same time.  :-)
>
> http://hylafax.sourceforge.net/docs/fax-over-voip.pdf
>
> For the most part it's not going to happen, at least reliably.
>
>> I have two customers both are connected via Digium's ATA's S101I both 
>> can place and receive calls without any problems.  However when they 
>> connect there line to a fax machine it never connects to the remote 
>> fax machine.  They place a normal POTS line and all faxes fine. 
>
>
> Read the PDF doc, and maybe you'll understand why voice calls are fine 
> but not fax... why POTS faxing is fine but not over VoIP.
>
> Lee.
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>
Thanks for the quick response.  But how do other VoIP Service Providers 
like vonage provide fax capabilities?



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