asterisk users - Jun 2006 - TE405P Dropping Calls. !! Got I-frame while linkstate 0

I would say it's almost certainly a cabling issue of some sort.  We get
the "S-frame while link down" message all the time on our Asterisk
clusters due to the way the T1 failover switch works.  It's harmless in
our case since really the PRI is connected to the other box in the
cluster (unless there is a card failure, of course).  But for your
application, I'm sure you'd like it to be up. :)

Regards,
- Brad

-----Original Message-----
From: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Brian
Stuart
Sent: Thursday, June 22, 2006 6:55 PM
To: asterisk-users@lists.digium.com
Subject: [Asterisk-Users] TE405P Dropping Calls. !! Got I-frame while
linkstate 0

Hello we have an * setup using a TE405P with a crossover to a Dialogic
PRI card. The machine with the Dialogic card is an automated call
generator. The asterisk machine is being used as a test platform to
answer the incoming calls play an audio file then record the incoming
audio. This set up has been working nicely when the calls were coming in
on a SIP channel.
However when call come in on the PRI it seems that * randomly drops all
channels. Some times every 30 seconds sometimes every 10 minutes. 
The * CLI> will get the errors shown below. I have seen similar postings
about this error but found no explanation or solution.

The asterisk machine has no shared interrupts.

Could this be a cabling issue?

Write to 36 failed: Unknown error 500
Short write: 0/15 (Broken pipe)
     -- Executing Hangup("Zap/2-1", "") in new stack !! Got
I-frame
while link state 0
     -- Hungup 'Zap/2-1'
!! Got S-frame while link down
!! Frame got rejected!
   == Primary D-Channel on span 1 up
     -- Executing Hangup("Zap/1-1", "") in new stack



Brian Stuart
Edulink Systems, Inc.
1(888)338-7177 ext. 219
http://www.edulinksys.com/ 


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