Licenses Each phone subscribed via the DECT R4 systems requires an Avaya IP Endpoint license in the IP Office configuration. This manual is for systems running IP Office Release 10.1 in any mode other than IP Office Basic Edition mode. DECT R4 is supported on IP Office systems running IP Office 5.0 and later software.Compatibility with this software may vary, but will generally run fine under Microsoft Windows 10, Windows 8, Windows 8.1, Windows 7, Windows Vista and Windows XP on either a 32-bit or 64-bit setup.
