Thanks for the suggestion Gareth, The span line I'm using is:
span=1,1,0,ccs,hdb3,crc4 Its the same as used with the TE12xP that is normally used on this E1 line in production which is extremely stable. I did as you suggested using: span=1,0,0,ccs,hdb3,crc4 After a dahdi_cfg pretty much the same results: [May 15 17:35:24] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:35:24] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:35:32] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:35:36] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:01] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:05] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:12] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:13] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:21] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:21] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 [May 15 17:36:25] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on D-channel of span 1 Best regards, Mike On Thu, 2014-05-15 at 17:53 +0100, Gareth Blades wrote: > On 15/05/14 16:28, Mike Leddy wrote: > > Hi Russ, > > > > I rebooted the machine loading dahdi_dummy in /etc/modules before > > the /etc/init.d/dahdi. > > > > Now dahdi_test shows a nearly perfect score: > > > > # dahdi_test > > Opened pseudo dahdi interface, measuring accuracy... > > 99.998% 99.990% 99.998% 99.996% 99.998% 99.998% 99.997% 99.997% > > 99.998% 99.997% 99.998% 99.997% 99.998% 99.998% 99.997% 99.998% > > 99.997% 99.997% 99.997% 99.998% 99.997% 99.998% 99.998% 99.997% ^C > > --- Results after 24 passes --- > > Best: 99.998% -- Worst: 99.990% -- Average: 99.997188% > > Cummulative Accuracy (not per pass): 99.997 > > > > When I connect a live E1 to the card it does work but I get a fair > > number of: > > > > [May 15 15:10:39] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:10:42] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:10:43] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:10:43] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:10:43] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:10:45] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:01] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:01] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:06] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:12] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:12] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:12] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > [May 15 15:11:13] NOTICE[4017] chan_dahdi.c: PRI got event: HDLC Bad FCS > > (8) on D-channel of span 1 > > > > Resulting in: > > > > [May 15 15:10:34] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:10:39] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:10:43] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:10:44] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:10:45] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:11:13] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:11:17] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > [May 15 15:11:22] NOTICE[4017] chan_dahdi.c: PRI got event: Alarm (4) on > > D-channel of span 1 > > > > Not usable in production but getting a lot closer. > > > > Is there anything else that can be done to improve this ? > > > > Best regards, > > > > Mike > > > > > > Check your span= line in you configuration. If your telco is providing > clocking and you are set to generate it yourself then they go out of > sync which generally causes errors like these. If you are set to be the > clock master try changing it to see if it improves. It should either > improve or not work at all. > -- _____________________________________________________________________ -- 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