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Wednesday, March 31, 2010

How do you add certificates between CUCM 6.1 and Exchange?

We need to add the secured SIP trunk between CUCM & Exchange server. Since CUCM needs to trust the Exchange server we need to add certificates to the CUCM. Can someone help us with this?

Please follow the following steps to add certs using the CM Platform, aka OS Administration web GUI. Once logged in, it's Security > Certificate Management > Upload Certificate.

The certificates you see uploaded are created during CUCM installation. They are the various self-signed certs for the components of the CUCM sub-systems. On the Exchange side, you will need the root CA certificate which can be either self-signed (customer has their own CA) or from a 3rd-party.

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