[asterisk-users] Nortel 81C MSDL Trunking to Asterisk TE110P, Nortel Resetting PRI Channels

Tue Feb 13 11:36:10 MST 2007

You have the PRIs set up to recover clock from the Asterisk box, is that
what you want?  If so, you certainly do *not* want span=1,1,0 or 2,2,0
since that will make Asterisk think the 81C should be clock master.  Are
there any telco-timed PRIs somewhere?  If so, set up the PRIs on the 81C
to be CLOK INT and then use span=1,1,0,esf,b8zs and span=2,2,0,esf,b8zs
on the Asterisk box.

I'm going to assume that a big system like an existing 81C already has
the master clock set, but of course that will be a necessity if using
internal clocking.

- Brad

________________________________

	From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of
Marlon_Blair at doh.state.fl.us
	Sent: Tuesday, February 13, 2007 11:17 AM
	To: asterisk-users at lists.digium.com
	Subject: [asterisk-users] Nortel 81C MSDL Trunking to Asterisk
TE110P,Nortel Resetting PRI Channels

	We are currently working to trunk from a Nortel 81C to an
Asterisk Server 1.4 running on Red Hat Linux.  We have two PRI trunks
which work with the exception of the clock slips, which is causing the
Nortel to reset the PRIs once a hour.  Thanks for any suggestions.

	81C   MSDL                                              Asterisk
Digium TE110P 
	 REQ  prt 
	 TYPE adan dch 10                                    Zaptel.conf

loadzone        = us 
	 ADAN     DCH 51
defaultzone=us 
	   CTYP MSDL
span=1,1,0,esf,b8zs    (also tried 1,0,0,esf,b8zs)  
	   GRP  1
bchan=1-23 
	   DNUM 7
dchan=24 
	   PORT 1
span=2,1,0,esf,b8zs      (also tried 2,0,0,esf,b8zs) 
	   DES  Asterisk VOIP                             bchan=25-47

	   USR  PRI
dchan=48 
	   DCHL 51 
	   OTBF 32
zapata.conf 
	   PARM RS422  DTE                                 [channels] 
	   DRAT 64KC
language=en 
	   CLOK EXT
context=default 
	   IFC  ESS5
switchtype=5ess 
	   SIDE USR
signalling=pri_net 
	   CNEG 1
group=1 
	   RLS  ID  1
channel => 1-23 
	   RCAP ND2                                           channel =>
25-47 
	   MBGA NO
usecallerid=yes 
	   OVLR NO
hidecallerid=no 
	   OVLS NO
callwaiting=no 
	   T200 3
threewaycalling=yes 
	   T203 10
transfer=yes 
	   N200 3
canpark=yes 
	   N201 260
cancallforward=yes 
	   K    7
echocancancel=no 

echocancelwhenbridged=no 
	 And I have                                     immediate=no 
	ADAN DCH 71                                   callreturn=yes 
	Built the same as                                rxgain=0.0

	ADAN DCH 31                                          txgain=0.0 

musiconhold=default 

	ROUT 1                                                 We start
up Asterisk in the following 
	Type RDB                                               order: 
	CUST 00                                                 modprobe
zaptel 
	Rout 30
modprobe wcte11xp 
	DES  ASTERISK_VOIP_1                       ztcfg 
	TKTP TIE
safe_asterisk     
	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 CDP 
	    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 7930 
	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 
	     NBL  4096 
	     IENB  5 
	     TFD  0 
	     VSS  0 
	     VGD  6 
	DRNG NO  
	CDR  NO  
	VRAT NO  
	MUS  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 

	 DES  VERSA 
	 TN   101 01 
	 TYPE TIE 
	 CDEN SD 
	 CUST 0 
	 TRK  PRI 
	 PDCA 1 
	 PCML MU 
	 NCOS 0 
	 RTMB 1 73 
	 B-CHANNEL SIGNALING 
	 TGAR 1 
	 AST  NO 
	 IAPG 0 
	 CLS  UNR DTN WTA LPR APN THFD HKD 
	      P10 VNL 
	 TKID 

	>ld 22 
	PT2000 
	MARP NOT ACTIVATED 
	CEQU 
	  DLOP  NUM DCH FRM TMDI LCMT YALM TRSH 
	   PRI  012 24  ESF NO   B8S  FDL  00 
	        051 24  ESF NO   B8S  FDL  00 
	        073 24  ESF NO   B8S  FDL  00 

	RLI  30 
	ENTR 0 
	LTER NO 
	ROUT 30 
	TOD  0 ON  1 ON  2 ON  3 ON  
	     4 ON  5 ON  6 ON  7 ON  
	VNS  NO 
	CNV  NO 
	EXP  NO 
	FRL  0 
	DMI  30 
	FCI  0 
	FSNI 0 
	SBOC NRR 
	IDBB DBD 
	IOHQ NO 
	OHQ  NO 
	CBQ  NO 
	ISET 0 
	NALT 5 
	MFRL 2 
	OVLL 0 

	Marlon Blair               e-mail
marlon_blair at doh.state.fl.us 
	DOH, Network System Analyst 
	(850) 245-4400, S/C 205-4400, Cell (850) 528-4244 
	Fax (850) 412-1148 
	Work Hours 7 AM to 3:30 PM 

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