Tzafrir Cohen wrote: > On Sun, Jun 07, 2009 at 10:15:42PM -0500, Tilghman Lesher wrote: > >> IAXmodem is a completely different ball of wax, and I think you would agree >> that if the builtin FAX support in spandsp provided excellent support, there >> never would have been a reason for IAXmodem to be developed. > > Reminder: SpanDSP was originally GPL. Steve Underwood wrote rx_fax.c and > tx_fax.c that were basically thin wrappers for it. They were not so easy > to use because: > > 1. They were out of tree to start with (which made life much more > difficult. Certainly before 1.4). > 2. The API and ABI of SpanDSP kept changing, and you had to know the > right version to use. > 3. They weren't much well-behaving Asterisk apps (e.g.: used their own > log file) and generally got very little maintinance (also due to > (2)). > > There was much resistance to even adding those apps to asterisk-addons. > I guess that merely (2) would have made them a support burden. IAXmodem > avoided the issue by using its own copy of SpanDSP. > > With the release of SpanDSP 0.0.5 things started changing: > > A. The license was changed to LGPL for the library itself. This allowed > using it is Asterisk and FreeSwitch. > B. Finally some attention to stable API and ABI. > > An app_fax.c was written initially in Asterisk-Addons only about at this > stage, with an eye on T.38 integration. Shortly after it was moved to > Asterisk itself. > > This was when Asterisk 1.6.0 was at release stages, IIRC. At the time > IAXmodem was well-mature. So what you wrote should probably be rephrased > as: > > If the builtin FAX support in *Asterisk* provided excellent support, there > never would have been a reason for IAXmodem to be developed. > > (But still see Lee Howard's comment in the other followup). >
OK, back to the original question: Do they provide the same service? I get the point that the Digium Fax may (or may not) provide V.34. Anything else? sean _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
