[asterisk-users] FXO Cards - T38

[Steve Underwood]

zoa wrote:
> T.38 will not work with the fxo card.
>
> Zoa
>   
That statement is a bit vague. What has been put in add-ons so far is 
only support for T.38 termination. Not T.38 gateway operation.

Steve

> Fernando Berretta wrote:
>   
>> Dear All,
>>
>> Are you telling me Asterisk 1.6.0b2/4 has support for t38 and rxfax 
>> etc. and will be able to receive faxes and negotiate with voip CPE's 
>> like ATA's to transmit faxes which comes from FXO cards to VoIP 
>> Devices using T38 ? it is possible to compile this version of app_fax 
>> to work with Asterisk 1.4x ? Someone has tried it ?
>>
>> Best Regards,
>> Fernando
>>
>> Thomas Kenyon wrote:
>>     
>>> Steve Underwood wrote:
>>>   
>>>       
>>>>>   
>>>>>       
>>>>>           
>>>> I thought * was still not capable for T.38 gateway operation. Doesn't 
>>>> beta 4 just added T.38 termination? And, I believe it misses out some 
>>>> key elements of doing that properly. Note that T.38 termination is an 
>>>> addon, so it can't be used with, say, G.729.
>>>>     
>>>>         
>>>>> The only real option available at the moment is to keep one PSTN line on 
>>>>> an ATA with an FXO port and T.38 support available and direct calls from 
>>>>> the fax machines through to it.  However, I should point out that while 
>>>>> I believe this should be possible, I haven't actually tried it myself.
>>>>>
>>>>>   
>>>>>       
>>>>>           
>>> The new asterisk T.38 functionality is from the Asterisk addons 1.6.0b2 
>>> version of app_fax (and a few small changes in 1.6.0b4), which I thought 
>>> someone would have mentioned to you, since it does use spandsp.
>>>
>>> (Or at least the configure script checks for spandsp, I haven't actually 
>>> looked at the code).
>>>
>>>