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new ios

i have just recently upgraded from 12.3(8)T5 to 12.4(6)T on my 2650/2651XM MGCP voice gateways. since doing so calls will set up but intermitenly there will be one way audio on the call leg attached to the router running the new code. i am running header compression on those links and am about to turn that off.Any suggesstions on where else i can look to fix this? thanks

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Blue

Re: new ios

If all you changed was the code, then the code is probably buggy. It is pretty common to have serious bugs in new T code. Do you really need the new features in 12.4(6)T?

The main line code like 12.4(7) will have all the features that were in the 12.3(8)T5.

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