can any body help with CCM upgrade to 6.0
first , can i upgrade to CCM 6 directly or i should first upgrade to 5.1 then to 6.0?
2nd, do we need to order upgrade license? i have seen the upgrade procedure and i have not seen any thing, they say that the license will preserved for phones and node, while in other documents i have seen that i need to order CCM6.0 _U_k9 part number? im really confused