I don't think it's my telco, I think it's my TDMoE setup. Does that sound possible?<br><br>I've never had problems with the circuit until I moved it from a standard digium PRI card to a TDMoE device. <br><br>
Also, if I restart asterisk, all the b-channels come back. <br><br>Thoughts?<br><br><div class="gmail_quote">On Feb 10, 2008 9:40 AM, Tilghman Lesher <<a href="mailto:tilghman@mail.jeffandtilghman.com">tilghman@mail.jeffandtilghman.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div><div></div><div class="Wj3C7c">On Sunday 10 February 2008 01:44:38 Mark Greene wrote:<br>
> In my efforts to solve a mystery of asterisk slowly loosing it's ability to<br>> take incoming and outgoing calls I set asterisk to restart b-channels every<br>> 60 seconds hoping I would find something odd after some time.<br>
><br>> So now I am looking at the CLI a few hours later and look what happens when<br>> asterisk restarts the 23 b-channels I have.<br>><br>> pbx1*CLI><br>> -- B-channel 0/19 successfully restarted on span 1<br>
> -- B-channel 0/21 successfully restarted on span 1<br>> == Primary D-Channel on span 1 down<br>> [Feb 10 01:41:23] WARNING[4102]: chan_zap.c:2401 pri_find_dchan: No<br>> D-channels available! Using Primary channel 24 as D-channel anyway!<br>
> [Feb 10 01:41:24] ERROR[4102]: chan_zap.c:8200 zt_pri_error: !! Got S-frame<br>> while link down<br>> == Primary D-Channel on span 1 up<br>> -- B-channel 0/19 successfully restarted on span 1<br>> -- B-channel 0/21 successfully restarted on span 1<br>
> -- B-channel 0/23 successfully restarted on span 1<br>> pbx1*CLI><br>><br>><br>> That's the output while I've been writing this email. Those are TWO<br>> restarts of the b-channels. Notice I am missing a seizable amount of my 23<br>
> b-channels.<br>><br>> Where are they going?! How do I find out?<br>><br>> I've recompiled my asterisk, zaptel, and libpri to the most recent versions<br>> but that's made no difference.<br><br>
</div></div>You probably have noise on your T1 circuit, which is causing the PRI<br>signalling to become corrupt. If this continues, expect that the T1 circuit<br>will go down from time to time, for a few seconds each time. Your solution is<br>
to call your telco and ask for a loopback test.<br><br>--<br>Tilghman<br><br>_______________________________________________<br>-- Bandwidth and Colocation Provided by <a href="http://www.api-digital.com" target="_blank">http://www.api-digital.com</a> --<br>
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