[asterisk-ss7] MTP Link Down SLC (0) SLC (1)

[Bharat Lalcheta]

Thanks for reply.
Telco enabled crc and first server working fine on it.

On Wed, Feb 15, 2012 at 12:24 PM, Vashkar Chatterjee <vashkar at gmail.com>wrote:

> Checm if telco had crc enabled or not. If not turn off crc
> On Feb 15, 2012 12:45 PM, "Bharat Lalcheta" <bharatlalcheta at gmail.com>
> wrote:
>
>> Hii,
>>
>> I have 2 servers with dual core 3 GHz dual cpu with 2 GB RAM and having 2
>> * TE410P digium, total 8 port for inbound calling.
>>
>> using asterisk-1.6.2.9, dahdi-2.5, libss7 SVN latest version
>>
>> Both server has same setup, 8 E1's with 2 Signalling channels from same
>> telco.
>>
>> follwoing is chan_dahdi.conf
>>
>> [channels]
>> group=0
>> linkset = 1
>> signalling = ss7
>> ss7type = itu
>> ss7_called_nai=national
>> ss7_calling_nai=national
>> context=ivrs
>> pointcode = 2
>> adjpointcode = XXXXX
>> defaultdpc = XXXXX
>> networkindicator=national
>> sigchan = 16
>> cicbeginswith=1
>> channel = 1-15
>> cicbeginswith = 17
>> channel = 17-31
>> sigchan = 47
>> cicbeginswith = 33
>> channel = 32-46
>> cicbeginswith = 49
>> channel = 48-62
>> cicbeginswith = 65
>> channel = 63-93
>> cicbeginswith = 97
>> channel = 94-124
>> cicbeginswith = 129
>> channel = 125-155
>> cicbeginswith = 161
>> channel = 156-186
>> cicbeginswith = 193
>> channel = 187-217
>> cicbeginswith = 225
>> channel = 218-248
>> following is the system.conf
>>
>> span=1,1,0,ccs,hdb3,crc4
>> bchan=1-15,17-31
>> mtp2=16
>> span=2,2,0,ccs,hdb3,crc4
>> bchan=32-46,48-62
>> mtp2=47
>> span=3,3,0,ccs,hdb3,crc4
>> bchan=63-93
>> span=4,4,0,ccs,hdb3,crc4
>> bchan=94-124
>> span=5,5,0,ccs,hdb3,crc4
>> bchan=125-155
>> span=6,6,0,ccs,hdb3,crc4
>> bchan=156-186
>> span=7,7,0,ccs,hdb3,crc4
>> bchan=187-217
>> span=8,8,0,ccs,hdb3,crc4
>> bchan=218-248
>> span=9,9,0,ccs,hdb3,crc4
>> bchan=249-279
>> span=10,10,0,ccs,hdb3,crc4
>> bchan=280-310
>> span=11,11,0,ccs,hdb3,crc4
>> bchan=311-341
>> span=12,12,0,ccs,hdb3,crc4
>> bchan=342-372
>> loadzone        = in
>> defaultzone     = in
>>
>> Now one server working fine with 8 E1s in regular or heavy traffic of
>> inbound.
>>
>> But in second server, its giving following warning at every 8-10 minutes
>> [Feb 15 12:04:52] WARNING[13950] chan_dahdi.c: MTP2 link down (SLC 1)
>> [Feb 15 12:04:52] WARNING[13950] chan_dahdi.c: MTP2 link down (SLC 0)
>> Also when traffic is high, i.e. more than 220-230 calls, suddenly all
>> calls get disconnected at same time. No other warning or error at that
>> time, only above MTP2 link down message there. No flactuation in E1 media
>> at my side or telco side.
>>
>> Please guide me to solve above problem.
>>
>>
>> Bharat Lalcheta
>>
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>
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-- 
Bharat Lalcheta
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