[Asterisk-Users] Identifying Frame Slips from PRI debug

Jerry Jones jjones at danrj.com
Wed Dec 21 17:13:39 MST 2005


Just to clarify, the frame slips are on the T1 circuit which is  
delivering your PRI service.

If you are correctly adjusting your timing leaving to match the  
recevieved timing from the CO there will be no slips. I am unaware of  
any mechanism within an * server to report this. Of course T-BERDs  
are your friend in these cases:)
I would suggest checking with Digium on your cards and any suggestions.

Let us know if there is a tool to report. zttool only reports bpv  
errors. There are many more in the ANSI suite.


On Dec 21, 2005, at 2:06 PM, <ewr at erols.com> <ewr at erols.com> wrote:

>>> 		Can someone help me understand how to identify frame slips
> from "pri debug",
>>> 		"pri intense debug", or any other method?
>>>
>>> 		I am familiar with zttest, avoiding interrupt sharing,
> mucking with ACPI,
>>> 		making sure DMA is on, etc... I have a list of changes I
> intend to make to
>>> 		the server(s), but don't know how to actually watch the
> output to see if my
>>> 		changes are affecting the # of frame slips.
>>
>> 	First things first;
>> 	Check your timing param in zaptel.conf, you almost certainly want
>> 	it set to 1 if you are connecting that span to a phone company and
> it is
>> 	the only such connection on that board.
>
> The timing is already set to 1 for each of the cards.
>
> I'm still open to ideas on how to actually identify or count frame- 
> slips on
> the pri.
>
> Eric
>
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