[asterisk-users] [hylafax-users] "No Carrier detected" sendig fax with Hylafax-Iaxmodem-Asterisk

[Johann Steinwendtner]

Lee Howard schrieb:
> fred wrote:
>> That’s being said, before going through the T38 Gateway tests, I’ve 
>> tried first the Fax2mail and Mail2fax solution with (Hylafax + 
>> Iaxmodem + Asterisk), to make a well-tested Asterisk solution working 
>> and I’m already facing some problems. Receiving faxes is ok but 
>> sending faxes gets stuck into “No Carrier Detected”. Debugging leads 
>> me to the following remarks:
>>
>> I) _Carrier or Called Station Identifier or (CED) tone_ from the 
>> called fax machine is received since recorded (iaxmdm-iax.wav attached)
>>
> 
> The audio coming from the receiver is quite audibly corrupted (just 
> listen to it and then compare to when you call a fax machine over TDM). 
> No doubt you are attempting to pass fax audio through VoIP. Please read:
> 
Is there a tool where I can feed the captured audio (e.g. extracted from
tcpdump) in order to get a fax image ? Can hylafax in a certain mode do
that ?

Thanks.

Regards

Hans