Mitel decrypt error

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Mitel decrypt error

L2 Linker

Hi all,

we have a open ticket with TAC, but wanted to ask if anyone's seen this, we're in the testing phase of it, and one of the phone's traffic shows up in the logs as decrypt error in the end result, so that phone is not able to login to the mitel portal, tac also disabled the user-id policy to narrow it down(I have tried to add a app override already, but haven't tried to disable alg. They're in the process of researching it, but we have a deadline coming up.

thanks in advanced.


Cyber Elite
Cyber Elite


I would say bypass decryption since the device is having issues with the certificates.


L3 Networker

Here to echo what @OtakarKlier  said. We use the same shoretel/mitel phones and the zone they are in does not get decrypted. To take it a bit further you can use NAC to make sure only phones are on that vLAN too.

Thanks for the reply, we tried to bypass decryption, but that didn't work, we're now have other issues on our phones, like we can't get to voicemail, I'm trying to work with tac, but the engr seems to be not sure of what's happening.

So basically we can get the phones to call in and out but some buttons like the user directory or voicemail has issues, it will say connection failed or connection to server lost when pushing some of those buttons, we're not doing any decryption at this time. Waiting on TAC to follow up, their supposed to run packet captures.

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