[Asterisk-Users] Asterisk & Meridian Tie Line

[Koen Van Impe]

I'm running pretty much the same config in Belgium.
Here's what I use:

zaptel.conf:
span=1,1,0,ccs,hdb3     # no CRC4 used here
bchan=1-15,16-31
dchan=16

zapata.conf:
[trunkgroups]
trunkgroup => 1,16
spanmap => 1,1,1

[channels]
context=incoming-pri
switchtype=euroisdn
pridialplan=national
prilocaldialplan=national
signalling=pri_cpe
group=1
channel => 1-15,17-31

Works for me, hope it can help you!


On 5/18/06, Steve Totaro <stotaro at totarotechnologies.com> wrote:
>
> Andy Kirby wrote:
> >
> > I am new to the group but have searched the doc's FAQ's etc before
> > posting here.
> >
> >  We are attempting tie our asterisk server/service to the building's
> > PBX, the building is in the UK and the local PBX is a meridian option
> > 11 installed and mainteined by BT.
> >
> > BT Have installed a NTBK50AA E1-PRI card in the meridian with daughter
> > cards NTBK51AA (D channel) and NTAK20BD (Clocking)
> >
> >  I have asked BT to configure the card as a Master (Exchange end) E1
> > Euro ISDN (Just like a standard ISDN30e)
> >
> >  They claim to have done this in line with the model they use to
> > interface to Cisco routers etc.
> >
> >  I have installed a Digium TE411P in our server looped back the span 2
> > port (Gives a green light and OK with same config as span 1) and am
> > using a crossover cable to link the PBX to our server. (We tried a
> > pucker BT cross over cable with exactly the same results as mine and a
> > striahgt through gives us nothing at all, I guess as you might expect)
> >
> > I have configured the Zap span for 1 clocking (Primary) 1 line build
> > out, with the framing etc as CCS, HDB3, CRC4
> >
> >
> >
> > But they don't appear to want to synchronise/talk to each other.
> >
> >
> >
> > ZTTool claims that the span is up and down more times than a fiddlers
> > elbow  and the clocking source is internal.
> >
> >  ( Might I expect the alarm state to be constant if the framing etc
> > was matched and the clock source to show as external ??)
> >
> >
> >
> > The alarms are cylcling from red to red/yellow and finaly to
> > red/yellow/recover before falling back to red and starting again.
> >
> >  I think I may be missing something that is probably blindingly
> > obvious to someone in the know.
> >
> >  The BT guy has been very good and is trying to help us get this going
> > but seems rather nonplussed with the terms CRC4, CSS and HDB3...
> >
> > Please can somone help and point me (and I guess by extension the BT
> > guy) in the right direction.
> >
> >
> >
> > Cheers
> >
> >
> >
> > Andy
> >
> >
> >
>
> Try your end with every different combination of settings applicable to
> EuroISDN.  I would start by removing the CRC4.  Try something, if it
> doesnt work, put it back and change another setting.
> > s
> >
>
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