On 08/17/2012 06:08 AM, Eric Wieling wrote:
I haven't found issues related to the DAHDI chunk size. The main thing which used to hurt FAXing with Asterisk before Digium launched their own FAX software was the timing within Asterisk, which they refused to fix at that time (although independent patches were available). With the launch of FFA they changed chan_dahdi so on a FAX call the buffering should change to make the flow of transmitted audio a lot more elastic. People just tolerate some hiccups in voice calls, but hate latency. Modem signals must be rigidly timed, but a bit more latency is OK. This change fixed the main issue affecting all the FAX solutions around. If that switch in the buffering mode is not happening on your system for some reason it can badly affect the reliability of FAXes.Has anyone experimented with increasing the DAHDI chunk size in improve fax reliability? If so, did it help, hurt, or not make any difference?
Steve -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
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