1600 Series
· Customers attempting to upgrade 1603, 1603SW, 1608, and / or 1616 Series devices to software revision 1.3 Maintenance Release 6 (1.3.6) or newer will report that devices fail to upgrade beyond 1.3 Maintenance Release 5 (1.3.5), while 1603-I, 1608-I, and 1616-I devices will.
96x0 SIP Series
· Customers attempting to upgrade 9620 and 9630 Series devices to software revision 2.6 Maintenance Release 13 (2.6.13) or newer will report that devices fail to upgrade beyond 2.6 Maintenance Release 12 (2.6.12), while 9620L, 9620C, and 9630G devices will.
96x0 H.323 Series
· Customers attempting to upgrade 9620 and 9630 Series devices to software revision 3.2 Maintenance Release 3 (3.2.3) or newer will report devices fail to upgrade beyond 3.2 Maintenance Release 2 (3.2.2), while 9620L, 9620C, and 9630G devices will.
9610 H.323 Series
· Customers attempting to upgrade 9610 Series devices to software revision 3.1 Maintenance Release 1 (3.1.1) or newer will report devices fail to upgrade beyond 3.1 GA (3.1.05).