Thanks for the response James. I shall talk with the provider. If the problem resides with the remote side, how does loading dahdi_echocan_mg2 and wct4xxp modules fix the issue, atleast temporarily?
-- Regards, Ishwar. On Fri, Nov 25, 2011 at 8:04 PM, James zhu <[email protected]> wrote: > hi: > please ask your provider to check the connection. yes, RAI means there is > a problem with remote side. > > Best regards, > James.zhu > Doing asterisk/PRI/ss7/dahdi, linux, asterisk cards, > gateway(fxs/fxo/pri<->SIP). > website: www.voipviews.com > > > ------------------------------ > Date: Fri, 25 Nov 2011 18:48:33 +0530 > From: [email protected] > To: [email protected] > Subject: [asterisk-users] Sporadic yellow alarms in dahdi_tool output > > > Hi all, > > We have a telephony server in India which runs CentOS release 5.7 (Final) > version with four-span Digium Card, one of which has an E1 PRI line > terminating on the server. > $ dahdi_hardware > pci:0000:07:08.0 wct4xxp+ d161:1420 Wildcard TE420 (5th Gen) > > Recently we've been observing the status of Span 1 as observed from > dahdi_tool output flaps between yellow and green. This happens a couple of > few a day. > While the span state is yellow, I observed that the > modules dahdi_echocan_mg2 and wct4xxp are not loaded. > > After running sudo modprobe wct4xxp; sudo modprobe dahdi_echocan_mg2, the > span state changes to green. > The dahdi documentation has the following to say on yellow alarms: > > (RAI — Remote Alarm Indication) > > Your T1/E1 port will go into yellow alarm when it receives a signal from > the remote switch that the port on that remote switch is in red alarm. This > essentially means that the remote switch is not able to maintain sync with > you, or is not receiving your transmission. > > > As a newbie to asterisk, pointers will be very helpful. Here are some more > details on the installed versions of various packages/modules. > > 1. Linux Kernel Version : $ uname -a > Linux 022.exotel.in 2.6.18-274.3.1.el5 #1 SMP Tue Sep 6 20:13:52 EDT 2011 > x86_64 x86_64 x86_64 GNU/Linux > 2. Dahdi verison: dahdi-linux-complete-2.5.0.1+2.5.0.1 > 3. Asterisk verison: asterisk-1.8.6.0 > 4. libpri version: libpri-1.4.12 > > Is this a configuration issue, package version issue or an operator issue? > I'll be glad to share the necessary dahdi configuration files if needed. > > Thanks in advance. > > -- > Cheers, > Ishwar. > > -- _____________________________________________________________________ > -- 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 > > -- > _____________________________________________________________________ > -- 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 >
-- _____________________________________________________________________ -- 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
