I previously stumbled upon a setting that would unlink the Phones settings page from the Extensions settings page, such that a phone could be added without assigning an extension.
I skipped over it as I didn't have a need at the time, but now configuring phones and extensions separately would...
Does anybody know the full listing of parameters to send? I can only find the following two but, it seems silly that that would be all that is offered.
%CallerDisplayName%
%CallerNumber%
Version: 14.0.49169.0