[asterisk-ss7] ss7linktest

[Matthew Fredrickson]

Markus A. Wipfler wrote:
> The telecom at the moment will not allow us to put traffic on the link  
> until the problem has been rectified .  This is part of what they sent  
> me:
> 
>   FRAME STATUS: 'some frames have been  
> lost'                                              |
> |MTP Level 2 (MTP-L2)  FISU (= Fill In Signal Unit)

Ok... so the only thing that I can recommend if they're "losing" FISUs 
is to make sure your timing is correct at both ends (typically you are 
receiving timing from the telco) and make sure that you are using the 
mtp2 channel type in Zaptel/DAHDI (if you're using a Digium board).

Matthew Fredrickson
Digium, Inc.

> 
> 
> 
> On Sep 23, 2008, at 9:38 PM, Matthew Fredrickson wrote:
> 
>> Markus A. Wipfler wrote:
>>> Hi all,
>>>
>>> I am getting below error when running ss7linktest :
>>>
>>> Unable to process message destined for userpart 3; dropping message
>>>
>>> My first assumption was that it is a link error, but when I check for
>>> line/bit errors everything seems fine.
>> No, this is not a link error, this is an SCCP user part message that  
>> we
>> were sent from the other end.  We don't have an SCCP stack right now,
>> which is why we print a message and drop it.
> 
> Am thinking of asking the telecom to suppress those messages, because  
> we are only going to do a basic interconnect.
> 
> 
>>> Also, telecom at there end see dropped packets, but don't go into any
>>> details.
>> Can you describe the problem (more exactly) that you are having  
>> better?
>> (other than the SCCP part)
> 
> 
> At the moment I cannot give any more details coz we cannot even make a  
> test call until this is sorted.
> 
> Will keep you posted.
> 
> 
>>
>> Thanks,
>> Matthew Fredrickson
>> Digium, Inc.
>>
>>
>>
>>
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