[asterisk-ss7] Errors on a SS7-Link with libss7

[Matthew Fredrickson]

asterisk at nicox.org wrote:
> Another thing which we seen on this link, every of our 95 CIC's is out of 
> service seen in "zap show channels", but the carrier said, everything is 
> okay. How can i see which CIC is blocked, or in service, and other things?

Ok, it may just be an issue with how your switch puts circuits in 
service.  IIRC, the code should report the channels in service when the 
circuits are reset.  It's possible we're not getting a reset from the 
other end on those circuits.

Matthew Fredrickson

> 
> Thanks for your help
> 
> Nico
> 
> 
> On Mon, 16 Jul 2007, Matt Fredrickson wrote:
> 
>> ----- asterisk at nicox.org wrote:
>>> The switch on the other side is an Ericsson switch, do you need any
>>> data
>>> to get implement/solve this things?
>> I looked at Q.763, and it looks like CFN is the confusion message.  It's used when you send a parameter to the other end that it doesn't recognize.  I'm traveling right now, but I'll be back in about 2 days.  I think then I can look more into this.
>>
>> Matthew Fredrickson
>>
>>> Thanks
>>>
>>> Nico
>>>
>>>
>>>
>>> On Sun, 15 Jul 2007, Matt Fredrickson wrote:
>>>
>>>> It just means that you received a message that the ISUP of libss7
>>> doesn't do anything with.  It looks like it's a CFN message.  Also
>>> looks like you recieved a few optional parameters that are ignored by
>>> libss7 too.  The optional parameters shouldn't cause a problem.  I'll
>>> have to see what CFN is used for.
>>>> ---
>>>> Matthew Fredrickson
>>>>
>>>> ----- asterisk at nicox.org wrote:
>>>>> [Jul 13 11:56:08] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:56:08] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> [Jul 13 11:56:08] WARNING[23169]: app_dial.c:813 wait_for_answer:
>>>>> Unable
>>>>> to forward voice or dtmf
>>>>> Unhandled optional parameter 0x2e 'Unknown'
>>>>> [0x0 ]
>>>>> Unhandled optional parameter 0x39 'Unknown'
>>>>> [0x2e 0xc0 ]
>>>>> [Jul 13 11:56:20] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:56:20] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> Unhandled optional parameter 0x2c 'Generic Notification
>>> Indication'
>>>>> [0xfa ]LI>
>>>>> Unhandled optional parameter 0x39 'Unknown'
>>>>> [0x2c 0xd0 ]
>>>>> [Jul 13 11:56:21] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:56:21] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> [Jul 13 11:56:21] WARNING[23169]: app_dial.c:813 wait_for_answer:
>>>>> Unable
>>>>> to forward voice or dtmf
>>>>> Unhandled optional parameter 0x37 'Unknown'
>>>>> [0xa ]CLI>
>>>>> Unhandled optional parameter 0x39 'Unknown'
>>>>> [0x37 0xc0 ]
>>>>> [Jul 13 11:56:29] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:56:29] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> [Jul 13 11:56:30] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:56:30] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> [Jul 13 11:56:56] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:56:56] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> [Jul 13 11:57:09] ERROR[23169]: chan_zap.c:8928 zt_ss7_error: !!
>>>>> Unable to
>>>>> handle message of type 0x2f
>>>>> [Jul 13 11:57:09] ERROR[23169]: chan_zap.c:8928 zt_ss7_error:
>>> Received
>>>>> error from mtp3 layer: -1
>>>>> [Jul 13 11:57:11] WARNING[23169]: app_dial.c:813 wait_for_answer:
>>>>> Unable
>>>>> to forward voice or dtmf
>>>>> Unhandled optional parameter 0x2e 'Unknown'
>>>>> [0x0 ]CLI>
>>>>> Unhandled optional parameter 0x39 'Unknown'
>>>>> [0x2e 0xc0 ]
>>>>> Unhandled optional parameter 0x2c 'Generic Notification
>>> Indication'
>>>>> [0xfb ]LI>
>>>>> Unhandled optional parameter 0x36 'Unknown'
>>>>> [0x1a ]
>>>>> Unhandled optional parameter 0x39 'Unknown'
>>>>> [0x36 0xd0 0x2c 0xd0 ]
>>>>> Unhandled optional parameter 0x2e 'Unknown'
>>>>> [0x0 ]CLI>
>>>>> Unhandled optional parameter 0x39 'Unknown'
>>>>> [0x2e 0xc0 ]
>>>>>
>>>>>
>>>>> Can anybody help what that means?
>>>>>
>>>>> Thanks
>>>>>
>>>>> Nico
>>>>>
>>>>>
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>>>>
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> 
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-- 
Matthew Fredrickson
Software/Firmware Engineer
Digium, Inc.