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I am setting up an asterisk box , my first with PRI T1
interface to a Nortel 61C. We have quite a bit of experience with the 61C
and do most of the programming including maintaining several other PRI
interfaces in this switch. The problem we are having is as soon as we
turn up the PRI, on the 61C side we get PRI0264 protocol errors. Then the
circuit lays down properly. At this point we start accumulating SLIPR in
the 61C which resets the circuit in about 5 minutes. Below are my
configurations. Nortel 61C CEQU MPED 8D TERM REMO TERD REMD TERQ REMQ SUPL 004 012 024 V048 N156 SUPC SUPF XCT 000 016 TDS * 000 * 016 CONF * 001 * 017 MFSD * 000 * 016 DLOP NUM DCH FRM TMDI LCMT YALM TRSH TRK 009 12 ESF NO
B8S FDL 00 PRI 008 24 ESF NO
B8S FDL 00 010 24 ESF
NO B8S FDL 00 011 24 ESF
NO B8S FDL 00 018 24 ESF
NO B8S FDL 00 019 24 ESF
NO B8S FDL 00 020 24 ESF
NO B8S FDL 00 021 24 ESF
NO B8S FDL 00 030 24 ESF
NO B8S FDL 00 031 24 ESF
NO B8S FDL 00 Blah..blah ADAN DCH 50 CTYP MSDL DNUM 10 PORT 1 DES ippbx USR PRI DCHL 8 OTBF 32 PARM RS422 DTE DRAT 64KC CLOK EXT IFC ESS5 SIDE USR CNEG 1 RLS ID 1 RCAP ND2 MBGA NO OVLR NO OVLS NO T200 3 T203 10 N200 3 N201 260 K 7 TYPE RDB CUST 00 ROUT 97 DES IPPBX TKTP TIE NPID_TBL_NUM 0 ESN NO CNVT NO SAT NO RCLS INT VTRK NO DTRK YES BRIP NO DGTP PRI ISDN YES MODE PRA IFC ESS5 SBN NO PNI 00001 SRVC NNSF NCNA YES NCRD YES CHTY BCH CTYP UKWN INAC YES ISAR NO CPUB OFF DAPC NO BCOT 0 DSEL VOD PTYP PRI AUTO NO DNIS NO DCDR NO ICOG IAO SRCH LIN TRMB YES STEP ACOD 7997 TCPP NO PII NO TARG CLEN 1 BILN NO OABS INST IDC NO DCNO 0 * NDNO 0 DEXT NO ANTK SIGO STD ICIS YES TIMR ICF 512 OGF 512 EOD 13952 NRD 10112 DDL 70 ODT 4096 RGV 640 GRD 896 SFB 3 NBS 2048 PAGE 002 NBL 4096 IENB 5 TFD 0 VSS 0 VGD 6 DRNG NO CDR NO VRAT NO MUS NO RACD NO FRL 0 0 FRL 1 0 FRL 2 0 FRL 3 0 FRL 4 0 FRL 5 0 FRL 6 0 FRL 7 0 OHQ NO OHQT 00 CBQ NO AUTH NO TDET NO TTBL 0 ATAN NO PLEV 2 ALRM NO ART 0 SGRP 0 AACR NO zapata.conf [trunkgroups] [channels] language=en context=default switchtype=5ess signalling=pri_net usecallerid=yes echocancel=yes echocancelwhenbridged=yes rxgain=0.0 txgain=0.0 musiconhold=default group = 1 channel = 1-23 zaptel.conf span = 1,1,0,esf,b8zs bchan=1-23 dchan=24 loadzone = us defaultzone=us I think the configuration is right. I have tried
changing the timimg source in zaptel.conf from 1 to 0 to no avail. Also I
can not set up the Nortel PRI to look internal for clock. Nortel sets up
by default CLOK = EXT. I have tried different cross over cables. I
can point the asterisk into a T-Berd 950N set up to turn up a PRI and it will
work and run clean on the Asterisk server. I can loop back the Nortel PRI
and it will ‘est wrong mode’ and accumulate no SLIPR. I am
struggling to get this to work. The circuit does establish and pass calls
but resets frequently due to slips. Dell 2850/TE110P/Asterisk business
edition ABE-B.1-1/Redhat EL4/Nortel 61C/Succession R3/MSDL Dchannel/NT5D12. Any
help would be appreciated. Ronnie Jones Engineer - ICT Clay Electric Cooperative, Inc 352-473-8000 ext. 8272 352-473-1929(F) 352-745-0910(C) |
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