[Freeswitch-users] T.38 and Audiocodes or Patton gateway

[Tim St. Pierre]

I agree,

I don't have any on the bench at the moment, since they have been discontinued.  I sent a SPA2102 to
a customer in exchange for their MP202B so I can get some of this data.

A lot of what I was hoping for with this post was something like I already received "I have one and
it works, but you have to change x y and z".

Ultimately, if I have to fight with it, and there is another ATA that works just fine, I'll choose
the one that works, but it's always nice to be able to use what one has on hand.

The traces will follow.

-Tim

Steve Underwood wrote:
> On 11/16/2010 02:08 AM, Tim St. Pierre wrote:
>> Hello,
>>
>> I am trying to get a reliable fax setup working.
>>
>> I have set up a nice fax receiver mechanism with mod_spandsp and it works very well when I send a
>> fax using a Linksys SPA2102
>>
>> I have poor results with Audiocodes MP202B, and can't get anything to work with a Patton M-ATA
>>
>> I have a number of Audiocodes MP202B in service and would rather not replace them if I can avoid it.
>>
>> In each case, the fax fails with "communications error" on the sending machine, and "Call hungup
>> prematurely" on the SpanDSP side.
>>
>> There aren't too many knobs on the gateways.  Are there any knobs in mod_spandsp that might help
>> this condition?  Anyone else have any experience with these devices?
>>
> Some Audiocodes boxes and some Patton boxes are known to work OK. 
> However, firmware revisions keep changing and you can never tell what 
> interesting new problems may have arisen. Providing wireshark packet 
> traces is usually the best way to get to the bottom of these issues. 
> Simply saying it doesn't work usually gets you nowhere.
> 
> Steve
> 
> 
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