No i m not getting BAD FCS HDLC abort. In dahdi i m getting following 2 messages. REL on channel (CIC 113) without owner! This message i m getting on first server too. But below message came on the problematic server whenever mtp2 link down message come Duplicate IAM requested on CIC 2 On Wed, Feb 15, 2012 at 12:39 PM, Vashkar Chatterjee <vashkar at gmail.com>wrote: > 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 >> > > -- > _____________________________________________________________________ > -- 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.digium.com/pipermail/asterisk-ss7/attachments/20120215/4828b58a/attachment.htm>