Is it possible to setup if a UserA answers a call, transfers it to UserB and UserB does not answer the call then it rings back at UserA's handset? I know Business/Department Attendant Console does this but is there a way to make this normal function with minimal fuss.
This is not available today in CUCM, however it is there in CME 4.3 (Call Transfer Recall). This feature is not going to be in CUCM 7.0 either, so my suggestion would be to use consult transering instead of blind transfers for now :-(
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.