[asterisk-users] Anyone have a reliable T.38 Solution

Olivier oza_4h07 at yahoo.fr
Thu Jan 12 03:40:08 CST 2012


I didn't know spandsp could do 14.4k : that's great !
So, now I'm realizing how strange my previous question could resonate.

Thanks for clarifying this.

2012/1/11, Steve Underwood <steveu at coppice.org>:
> On 01/11/2012 11:16 PM, Olivier wrote:
>> 2012/1/11, Steve Underwood<steveu at coppice.org>:
>>> On 01/11/2012 03:01 PM, Olivier wrote:
>>>> 2012/1/5, Kevin P. Fleming<kpfleming at digium.com>:
>>>>> On 01/04/2012 12:25 AM, Matt Darnell wrote:
>>>>>> Aloha,
>>>>>>
>>>>>> We are looking to roll a solution that will have the following network
>>>>>> layout:
>>>>>>
>>>>>> ISDN-PRI<-->    Asterisk<-->    T.38<-->    ATA<-->    Fax
>>>>>>
>>>>>> Does version 1.8 with the Digium fax driver have this capability?  I
>>>>>> like 1.8 because it is a long term support version.
>>>>>>
>>>>>> What ATA's are people using?
>>>>>>
>>>>>> Any working solutions would be great!
>>>>> What you are looking for is T.38 gateway mode (converting between T.30
>>>>> over modems on a TDM circuit and T.38 over UDPTL), and the answer is
>>>>> no:
>>>>> Asterisk 1.8 does not have T.38 gateway mode. Asterisk 10 does, and it
>>>>> is supported using SpanDSP and res_fax_spandsp. It is not yet supported
>>>>> by Digium's Fax for Asterisk commercial FAX module.
>>>> Do you have any idea when  Digium's Fax for Asterisk commercial FAX
>>>> module could roughly become supported ?
>>> Are you really desperate to pay for functionality you can get for free?
>> Not yet ;-)))))))))))
>> But the increased fax sending speed (14.4 kbs/s says the datasheet but
>> I must be too naive to still read datasheets) may be a feature
>> interesting for some.
>>
>> By the way, which spandsp version would recommend for asterisk 10 ?
>> spandsp-0.0.6pre18.tgz ?
>>
> How is 14.4k an increase? Both spandsp and the Digium modules do 14.4k.
> There is nothing the Digium module does which spandsp does not do, and
> the file handling in spandsp is more flexible.
>
> spandsp-0.0.6pre18.tgz is currently the right version to use?
>
> Steve
>
>
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