Check transmission for faults. Do you get BAD FCS HDLC abort? Check for the line error, code violation etc from dahdi maint tool -Vashkar On Feb 15, 2012 1:04 PM, "Bharat Lalcheta" <bharatlalcheta at gmail.com> wrote: > 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 >>> >>> -- >>> _____________________________________________________________________ >>> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >>> >>> asterisk-ss7 mailing list >>> To UNSUBSCRIBE or update options visit: >>> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >>> >> >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-ss7 mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >> > > > > -- > Bharat Lalcheta > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7 > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-ss7/attachments/20120215/e8120a49/attachment-0001.htm>
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