> Excerpt of email from Digium support: > > Digium does not support CAPI or BRI, either freely or commercially. > > We can only provide support for you Digium TDM400P card. > > Your zttest output is extemely low. We are looking for nothing less > than 99.98%. If you are receiving 99.96% this will cause major > problems. Have a best output of 99.975% is really low.
For the record, I ran zttest against a new TDM04b Rev H board and it consistently reported 99.975586%. There is no noise, crackling, etc. So, not sure what "99.975% is really low" is based on. > If you are running an IDE hard drive please verify that you are using > DMA mode with a UDMA setting of no lower than 2 or higher than 3. UDMA > mode 2 is ATA33. UDMA mode 3 is ATA44. This can be done using hdparm. > We suggest using "hdparm -d 1 -X udma2 -c 3 /dev/[IDE Device]". You > can check the status using "hdparm /dev/[IDE Device]" and "hdparm -i > /dev/[IDE Device]". If you make modifications to your IDE hard drive > settings they will only be kept until you reboot. Also, did the above, which had zero impact on the zttest results. If I try to use spandsp-pre11 for fax reception, it results in far less then usable output (*.tiff), and supposedly that is due to missed frames, missed interrupts, or something like that with the TDM04b card. Checked and double-checked share interrupts, and that isn't a problem. This is on a cvs-head RHv9 box with 2.2ghz processor, and nothing else running on the system. So, best guess is that 99.975586% is impacting fax but not voice. _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users