[Asterisk-Users] Asterisk and Mitel SX 200 Slip and Frame Errors causing Major Ala rms

[Eric "ManxPower" Wieling]

> Geoff Manning wrote:
> 
>> We have integrated an Asterisk (TE110P) and a Mitel SX200. We usually get
>> over  500 frame errors and over a 500 slip errors per hour. When the 
>> errors
>> reach 1000 per hour the Mitel will take it's T1 card offline. At that 
>> point
>> no calls can be routed from the Asterisk server to the Mitel and the 
>> TE110P
>> reports a Yellow alarm.
>>
>> What can be causing all these Frame and Slip errors? We have been working
>> with a Mitel tech to get all the configurations correct and we still 
>> haven't
>> been able to resolve the issue.
>>
>> We are currently connecting via crossover so we'll try a straight through
>> just for kicks. We have a spare TE110P so we are going to try that. I 
>> just
>> don't know enough about these errors to know what to try next.   
>>
>> Any other thoughts?????
>>
>>  
>>
> 
>> span=1,1,0,d4,ami
>> e&m=1-24
>>  

Looks like you have told Asterisk to get it's timing from the Mitel. 
I'll bet the Mitel is trying to get it's timing from Asterisk.

Try span=1,0,0,d4,ami and run ztcfg -vvv