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Hi Ramsay, Thanks for your quick reply. Turns out mgcp was 'stuck' at the Cisco Voice Gateway side. I resolved this with a 'no mgcp' and then a 'mgcp' and the d-channel came up immediately. I found the final posting in this thread on the Cisco forums very useful for troubleshooting this issue...

Hello everyone, I've been a long time reader / user of this forum and it has been extremely valuable to me since I have maintained our company Nortel Meridian Opt 11 For a couple of years not we have had integration with our Cisco Unified Collaboration platform and the 2 systems are linked like...

Hi everyone. I just wanted to let you all know that I managed to get the link stable between the Nortel and the Cisco voice gateway. It was indeed a clocking issue, but on the Cisco side. I added the following config lines to the Cisco voice gateway: ! controller E1 0/1/0 framing no-crc4...

Hi NoypiToits, Thanks for the reply. I think I already have that set: REQ prt TYPE pri2 FEAT lpti LOOP 02 MFF AFF ACRC NO ALRM REG RAIE NO G1OS YES SLP 5 24 H 30 1 H BPV 128 122 CRC 201 97 FAP 28 1 RATS 10...

OK so this is what a full hour (and a bit) of isdn debug output gives me at the console of the voice gateway: voice-gateway# Mar 6 10:50:49.871: %CONTROLLER-5-UPDOWN: Controller E1 0/1/0, changed state to up Mar 6 10:50:49.921: ISDN Se0/1/0:15 Q921: Net TX -> SABMEp sapi=0 tei=0 Mar 6...

Cool - thanks! That makes sense to me; thank you for explaining that :) That is a really useful link you posted - I have also since found this: http://www.cisco.com/c/en/us/support/docs/wan/t1-e1-t3-e3/14164-e1-flchrt-pri.html?referring_site=bodynav and this...

OK so I figured out the pin-out / wiring for the link between the Cisco voice gateway and the Meridian PRI card. I have configured call manager to successfully route calls to the Meridian extensions and the outside world via the Meridian. I'm still working on configuring the Meridian to call the...

Hi telepath, Thanks for your reply. OK that makes sense. I'm not seeing layer 1 coming up on the Cisco side either so I'm wondering if it could be the cable... I'm using one of these: Nortel NTBK05DA 2.0Mb DTI/PRI Twisted Pair Cable...

Hi there, Thanks for everyone's help with this so far - very much appreciated! The card now seems to be working in slot 2 of the main cabinet. I have configured the d-channel, the route and the trunks. Initially, I'm sure the trunks were showing as IDLE but now they are showing as DSBL? The...

D'oh - I suspected it was something obvious / stupid (ie. me!) Thanks very much for your help, guys - very much appreciated! I will move the card to the primary cabinet and give it another try. Thanks again!

Hi KCFLHRC, Thanks for the quick reply. I think the expansion cabinet is connected via fibre. I remember seeing the coil of fibre on the underside of one of the cards in the second cab when I was on-site. Does that sound right? I don't have physical access to the PBX just now but I have remote...

Hi everyone. I have referred to this forum for many years and it has been most helpful in finding a fix / solution to various issues / problems - fantastic the amount of knowledge that is on here. However, this is my first post on here so please go easy on me :) I am working on integrating an...