[asterisk-users] Generic question about PBX PRI installs

[Dale Noll]

Jerry Geis wrote:
> 
> 
> The PBX guy "seems" to always complain about how he has MANY options
> and thats not enough information...
> 
> What else am I supposed to supply this person. Are they not the PBX 
> expert?...
> 
> Anyway as example. the last customer I told the above information. He 
> set up the PBX
> and I can make 4 digit calls successfully, 7 digit and long distance are 
> not successful.
> They are hitting some error condition that the call is going to the 
> switch board.
> So the connection is working just not completely working.
> This is connecting to a nortel 1000 pbx.
> 
> I dont know anything about a nortel switch to them what to change.
> 
> What should I be supplying to these PBX guys to get the installs going 
> smoother and quicker?
> 
I have connected my Nortel Meridian to * via PRI successfully(?). 
Nortel has what is called BARS/NARS.  The ability to dial numbers to 
access certain routes is based on the Network Class of Service (NCOS) of 
a telephone or trunk.  I would suspect that the user has the trunk set 
with a NCOS to low to access the outbound routes.  Also, tandem calls 
from the Tie line to the outside trunks will need to dial the proper 
access code to activate BARS/NARS. (Ie.  If a Nortel user needs to dial 
9, so does the call from the tie trunk.)

There is also the option, instead of using the BARS/NARS access code, 
the tie can use the route access code (ACOD) directly.

As far as the PRI setup, I have found that I prefer QSIG (if the Nortel 
system release supports it) because if will properly pass all the CLID 
info between systems, NI2 did not.

I hope this helps.

Dale


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