Polycom IP 650 Boot Loop

In an organization using Adtran Netvanta 7100 PBX, the system firmware on the Netvanta 7100 was updated to R11.4.2.E.  After the Netvanta 7100 firmware update, changes to Voice User Accounts could not be made unless the phone model was updated.  In this case, 2 more line keys needed to be added on a Polycom IP … Continue reading Polycom IP 650 Boot Loop