hi,I have done a few installs of IPO,1 large w/ 6 expansions and tcm8,ip sets and digital and also a few small ones,I am a Nortel Bcm,mics and CICS vetran, here is the issue/question,I have received 4 IPO controllers, 3 are where in Basic mode..9.0, 1 in essential mode 7.0..(27)the Essential 7.0 will not except a 9508 phone, the Basics will so I "changed mode" setting to Standard on the basics, and now the phones say UN-LICENSED. Are the sd cards set for basic only and now I need to pay for a standard lic.Also they will NOT go back to basic mode.Help,thanks,Bob