Here is an interesting hypothetical timeline from a blog on ZDNet of what is thought to happen with the RIM workaround and what the workaround will do to drag out the injunction hearing.
There are a few reasons why it won't unfold exactly as follows. The blog forgets to mention impacts/delays caused by the pending patent appeals and perception that RIM doesn't want to settle. The blog predicts the "multi-mode" workaround would be activated later in March as a voluntary backup and goes on to predict a settlement would occur April 14th. Needless to say..it will be interesting to see if parts of the prediction end up happening and when...
http://blogs.zdnet.com/ip-telephony/?p=935