[asterisk-users] res_fax

Tom Rymes trymes at rymes.com
Wed Jan 26 13:21:26 CST 2011


On 01/26/2011 2:16 PM, Kevin P. Fleming wrote:
> On 01/26/2011 01:12 PM, Tom Rymes wrote:
>> On 01/26/2011 1:49 PM, Kevin P. Fleming wrote:

<snip>

>> Am I correct to infer that using app_fax.so is no longer recommended and
>> that res_fax.so with res_fax_spandsp.so -OR- res_fax_digium.so is now
>> the way to go?
>
> That is correct. app_fax is deprecated (and that is why it is marked as
> "don't build" by default), and res_fax plus a technology module
> (res_fax_spandsp or res_fax_digium) is the replacement for it. All of
> the work that the Digium team has done improving T.38 negotiation and
> interoperability has gone into res_fax, not app_fax. Users of Asterisk
> 1.8.x should only choose to build app_fax if they have a specific need
> for it (and if that's the case we'd like to know what the need is so we
> can ensure that res_fax can satisfy it). Users of older Asterisk
> releases will have app_fax by default (since res_fax was not included in
> those versions), but if they want to use Digium's res_fax_digium module
> they can download it along with res_fax and use them instead.

Gotcha. So, 1.6 users who install FFA get res_fax and res_fax_digium. 
Presumably, 1.6 users could also combine res_fax and res_fax_spandsp?

Steve - Will compiling the latest version of SpanDSP on a 1.6 system 
result in a res_fax_spandsp.so module?

Tom




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