24 Chapter 2 Before you beginSupported software upgrade or platform migration pathsThe following table shows the supported software upgrade or platformmigration paths to CallPilot 5.0.Software upgrade or platform migration paths to CallPilot 5.0CallPilotreleaseUpgradedirectly to 5.0Remarks1.06, 1.07 (Meridian 1)or earlier, 2.01No The system must be upgraded to 2.02(2.01.27.05) with a minimum ServiceUpdate (SU) level of 4.1.07 T1/SMDI No The system must be upgraded to 2.5with a minimum SU level of 2.2.02 (2.01.27.05) Yes The system must have a minimum SUlevel of 4.2.5 (2.50.06) Yes The system must have a minimum SUlevel of 2.3.0 Yes The system must be a GA release of3.0. (3.03.06)4.0 Yes The system must be a GA release of4.0 (04.04.04.00).5.0 Yes Beta to GANote: For detailed information about upgrading your system from earlierreleases, see CallPilot Upgrade Guide 2.02 (P0605132) or 2.5 (P0607573).License Reduction featureWhen you upgrade to CallPilot 5.0, you can request a keycode with areduced number of reserved seats for the following capacities:• voice messaging seats• fax messaging seats• desktop messaging seats• speech activated messaging seats• e-mail by phone (TTS) seatsFor example, a customer wants to upgrade to CallPilot 5.0. The customeris currently running CallPilot 4.0 and has a keycode with a 1000-seatmaximum; however, they are only using a total of 500 seats. With Release5.0, the customer can order a new keycode with a reduced number of seats(for example, a 700-seat maximum). The new keycode must be equal to orexceed the 500 seats that are currently being used. That is, the customercannot order a new keycode with only 400 seats.Nortel CallPilotUpgrade and Platform Migration GuideNN44200-400 01.12 Standard5.0 24 April 2009Copyright © 2007–2009, Nortel Networks.