[Asterisk-Users] PRI Question

[Barry Porch]

My switch doesn't let me set up a loop but I am confident that
everything is OK at the T1 layer.  I can connect via robbed bit to the
Asterisk box with no problem.  Also I can use my T1/PRI tester towards
either systems and it works fine with PRI and I can place and receive
calls.

There seems to be some incompatibility between Mitel's PRI
implementation and Asterisk.  I have tried all supported flavors of PRI
(ni2, dms100, 4ess, 5ess) with the same result.  I have also tried
changing pri_cpe vs pri_net between the 2 machines.  Everything gives me
the same result with the d channel going down and coming back up
constantly.  I have been running on a cvs from about 2 weeks ago so I
also did a cvs update yesterday with no change.

It appears that I may be out of luck connecting the Mitel directly to
the Asterisk box via PRI.  If someone has other experience I'd love to
hear it.  

Has anyone else run into PRI implementations that they cannot make work
with Asterisk?

Barry

-----Original Message-----
From: Martin Pycko [mailto:martinp at digium.com] 
Sent: Wednesday, August 20, 2003 12:32 PM
To: asterisk-users at lists.digium.com
Subject: RE: [Asterisk-Users] PRI Question

Can you do remote loopup from your switches side ... and look asterisk's
T1 and check if your transmission is ok ?

regards
Martin

On Tue, 19 Aug 2003, Barry Porch wrote:

> Martin,
>
> Here is the trace you asked for.  It's quite lengthy so I'm attaching
it
> as a text file.  The way I generated this output was to start up an
> instance of asterisk redirecting output to a text file.  Then I
> connected in another terminal window as console and issued the debug
> command.  I don't know if there's a better way to do this.
>
> Also I can successfully connect to the PRI port on my PBX with my
T1/PRI
> tester (a Sunset T10) and I can also successfully connect to my
Asterisk
> box and place an inbound call.  I just can't connect the Asterisk box
> directly to my PBX.  The PBX is a Mitel 3300, by the way.
>
> Thanks for your help!
>
> Barry
>
> -----Original Message-----
> From: Martin Pycko [mailto:martinp at digium.com]
> Sent: Monday, August 18, 2003 9:09 PM
> To: asterisk-users at lists.digium.com
> Subject: Re: [Asterisk-Users] PRI Question
>
> First of all you should have callprogress=no and immediate=no for any
> kind
> of a PRI. Also why is your d-channel going down ? Can you send a trace
> "pri intense debug span 1" ?
>
> regards
> Martin
>
> On Mon, 18 Aug 2003, Barry Porch wrote:
>
> >
> >
> > I managed to get Asterisk working with my PBX using T1, now I am
> moving
> > on to trying to make PRI work.
> >
> > I have my zaptel.conf and zapata.conf configured as follows:
> >
> > Zaptel.conf:
> >
> > span=1,1,0,esf,b8zs
> > bchan=1-23
> > dchan=24
> > loadzone=us
> > defaultzone=us
> >
> > Zapata.conf:
> >
> > [channels]
> > transfer=yes
> > immediate=yes
> > callprogress=yes
> >
> > language=en
> > context=default
> > switchtype=national
> > signalling=pri_net
> > group=1
> > channel=1-23
> >
> > I have a PRI port provisioned off my PBX to work with the above
> > settings.  When I start up Asterisk everything seems to come up (my
> PBX
> > "sees" a D-channel) but I get constant output as follows:
> >
> > == D-Channel on span 1 up
> >
> > B-channel 2 restarted on span 1
> >
> > B-channel 3 restarted on span 1
> >
> > B-channel 4 restarted on span 1
> >
> > B-channel 5 restarted on span 1
> >
> > B-channel 6 restarted on span 1
> >
> > B-channel 7 restarted on span 1
> >
> > B-channel 8 restarted on span 1
> >
> > B-channel 9 restarted on span 1
> >
> > B-channel 10 restarted on span 1
> >
> > B-channel 11 restarted on span 1
> >
> > B-channel 12 restarted on span 1
> >
> > B-channel 13 restarted on span 1
> >
> > B-channel 14 restarted on span 1
> >
> > B-channel 16 restarted on span 1
> >
> > D-Channel on span 1 down
> >
> > D-Channel on span 1 up
> >
> > B-channel 2 successfully restarted on span 1
> >
> > B-channel 3 successfully restarted on span 1
> >
> > B-channel 4 successfully restarted on span 1
> >
> > B-channel 5 successfully restarted on span 1
> >
> > .... And so forth with the D-channel going up and down and various
> > channels "successfully restarting" but inbound calls do not work.
> >
> > I have tried changing the PRI protocol, I have swapped the CPE and
NET
> > settings between the PBX and Asterisk and every combination gives me
> > this same result.
> >
> > Any thoughts?
> >
> > Thanks!
> >
>
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