Looking at it I would say you have issues with your ISDN lines when you are trying to get a channel, can you please do a L3ISDN Events / L3 ISDN Send and receive trace and post for when the issue happens. You may be getting a code back from the carrier, but I cannot see it on a CM Message. We need to look @ a higher level.
What protocol are you set for (i.e.: NI2, Local Telco, AT&T, etc.), are your short codes for outgoing calls set for the correct line group (and in LCR, if you're using it)?
Hi Franke, I'm not sure if I've understood the question, I'm using the following short code 0N N 0
Whereas 0 is the line group, but it seems to be disconected. But I'm also using the line group 0 for the incomeing calls and that works!
What I don't understand is why did it work for almost 3 months without any problems, but since the russian telephone company re-connected the line after they had accidently disconetced it, it doesn't work any more.
I dont know much on the Russian Telephone company , but if I was gettig these symptoms in the UK I would be screaming a BT to sort their end out
I would be supprised if this is not a telco issue
If you get a ISDN cause 34 then the CO did set up a PRI for you but they forgot? to assign channels.
So IPO will synchronize but it won't get any B-channel from the CO.
The "a2" Disconnect that is in your trace means there is "No circuit/channel available" and the "ISDNL3Tx" means that the IPO has sent this message. This is what Intrigrant has pointed out. You can go to the carrier with this part of the trace and ask them to investigate.
We get a similar sort of problem here in the UK with Telewest.
If we reboot the IPO more than 3 times within an hour, Telewest take the PRI out of service (automatically); it requires a call to their NOC, followed by a call to my TAM, followed by lots of banging things and shouting to get it brought back into service.
Still not working, they say (Russian Telephone Company) that it should work, but I still get the (Cause=34, No cct/chan available). My boss thinks that it might be my fault and not because they forgot to pay the invoice )
your gona have to get someone in the co to actualy work with you real time (what a concept)With your logs and a true CO tech you will be able to sort it out.
These cause codes are not something that Avaya has just made up, they are industry standard for ISDN. The CO tech will be able to see the same thing, Your just gona have to get to the point of working real time with one
You are sending the call to line
the clear cause isd being recieved from the network
this is a network issue
insist that you line provider send an engineer to test from site.
(I would bet that the line miraculously starts working just before he arives!)
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