I'm always a but surprised when this question comes up (it does quite often)
An hunt-group is supposed to be manned, so chances are, one group operator will take the call before another person outside the group has time to pick it up (we're not even discussing on how this personal would know that he/she needs to pick that particular call).
Now, if you are talking about the possibility for a group operator to preempt a colleague based on the calling number, that's another matter, however still not possible based on my knowledge.
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.