We are actually deploying jabber on our Mac users and CUPC on our Windows users. Nothing extraordinary here
The problem is that everything is working perfectly on the CUPC but not on Jabber. Let me explain :
When Using Deskphone with jabber, it works ok (registration to CTI profile pointing to Subscriber:2748 is OK)
When Using Softphone with Jabber, it does not work (it tries to register to the publisher:2748) . The problem is that the Publisher is NOT in ANY CTI profile/Gateway Server of the CUPS Configuration........
Based on your description it appears that Jabber is not registering as a SIP phone to UCM. So this does not appear to be a CTI related problem. Can you try providing the Softphone server to be the TFTP server.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.