Do you get a red alarm ? Can your ask your carrier what they see on their
end ?
- Original Message -
From: "George Pajari" <[EMAIL PROTECTED]>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
Sent: Monday, December 31, 2007 12:31 PM
Subject: [asterisk-users] PRI Crapping Out Regularly
> We have a server with a TE120 on a partial PRI trunk that several times
> a day declares the PRI trunk down and stops handling calls until the
> asterisk is stopped, the zaptel/te120 modules reloaded, and asterisk
> started.
>
> Just before things go down, the log shows the following error:
>
> ERROR[9424] chan_zap.c: Write to 28 failed: Unknown error 500
>
> at which point a "show pri spans" reports "PRI span 1/0: Provisioned,
> Down, Active" and a "pri show span 1" reports:
>
> Primary D-channel: 24
> Status: Provisioned, Down, Active
> Switchtype: National ISDN
> Type: CPE
> Window Length: 0/7
> Sentrej: 0
> SolicitFbit: 0
> Retrans: 0
> Busy: 0
> Overlap Dial: 0
> T200 Timer: 1000
> T203 Timer: 1
> T305 Timer: 3
> T308 Timer: 4000
> T309 Timer: -1
> T313 Timer: 4000
> N200 Counter: 3
>
>
> (a) What is causing this?
> (b) How can it be fixed?
> (c) Why does Asterisk not recover automatically to what appears to be an
> intermittent problem?
>
> --
> George Pajari (dCAP), netVOICE communications 604 484 VOIP(8647) x102
> www.netvoice.ca www.ip-centrex.ca www.ip-pbx.ca www.vpas.ca
> www.digium.ca www.grandstream.ca www.sipura.ca www.snom.ca
> Open Source VoIP/Telephony Specialists 1 877 NET VOIP (638 8647 x102)
>
>
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