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CME IP Phone Security

I'm trying to set up SCCP via TLS in a CME (UC500)

I had read and follow the guidances in CME reference guide and administration guide.

Currently the phones stay in a Registering status but I can't figure out what is missing.

First of all, the phones (two 7911 just for lab tests) were in an endless loop trying to get IP address. I saw in debug the DHCP was assinging IP correctly but for some reason the phone is not able to get it. I set the two phones with fixed IP and the things going better, now the phones stay in registering status. Attached are two files:

a) debugging the registration process

b) running config

My tests had been done with ephones 11 and 12 only.

I would appreciate any help.

Thanks in advance.

2 REPLIES
Hall of Fame Super Gold

Re: CME IP Phone Security

Can you try having a non-secure system first, then convert to secure after everything works for you ?

Community Member

Re: CME IP Phone Security

In non-secure way, everything works fine. My last status is this:

Phones have fixed IP address, they stop at registering process. I saw they have a CTL defined and security mode appears as authenticated.

So I think I'm very near to have my lab working but I don't know what is missing. I bet for signed files in CME, who knows?

Daniel Escalante.

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