VG224 unregistering in CUCM6

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Jun 14th, 2009
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Hi Guys ,i have a VG224 added as a MGCP gateway in CUCM6 ,but the VG`s will work 100% for about a week and then just unregister from CUCM ,i have to then reboot the gateway to get it to re-register with CUCM ,i use the VG ports for fax machines ,any ideas ?

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Nicholas Matthews Mon, 06/15/2009 - 04:45
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There were some problems like this in earlier 12.4T codes. If you're between on 12.4 mainline, or between 12.4(2)T and 12.4(15)T2 or so, you'll probably want to move to 12.4(15)T9 or a 12.4(20)T or later release.

If you're on a later release, then you may want to open a TAC case to investigate.


rynard.coetzee Tue, 06/16/2009 - 23:11
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Hi nic ,thanks for the reply ,i am running 12.4(11)XW2 on the VG`s ,will i need to upgrade ?

And to the other guy that responded ,i will unfortunately not be able to upgrade to CUCM7 yet ,as the CUCM6 system was just recently installed and we are still trying to get it stable.

stafford.slater Tue, 06/16/2009 - 23:37
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Hi Rynard,

I would do as Nick says and upgrade the IOS. I have had a similar problem in CM7 as well as CM6 and both were resolved with an IOS upgrade.



susanto.liu Mon, 06/15/2009 - 07:08
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I was same experience like You, using CUCM 6.

Try using CUCM 7.0, it's Work!

Refrence "Cisco Unified Communications Manager Software Compatibility Matrix"

I think the probelm is CDP version.


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