After resetting the UC520 to factory default it would be possible to choose between Keysystem of PBXsystem. Bud with CCA 1.5 or 1.0 it isn't possible to change this option, i get a red bar witch indicates that this setting is nog posible.!! I reset the UC520 with the following option.
copy flash:UC520-8U-2BRI-K9-factory-4.2.4.cfg start
after a reload normally it would be possible to choose Key of PBX system but no way..
Does anyone had trouble with this 2? Can someone help me out? Is there still configurtion on my UC520 that's making this impossible? Is there a clear-config option like a PIX 501 has?