Which process do I choose: platform migration or upgrade? 21System Approximate total timeT1 1002rp 10 hours (9.5 hours if hardware change isnot required)1005r 9.5 hoursApproximate total time to perform a platform migrationThe following table shows approximate total times to perform a platformmigration.Platform Migration Approximate total time200i to a 202i 3 hours200i to a 600r 3 hours201i to a 202i 3 hours201i to 600r 3 hours202i to 600r 2 hours202i to 1005r 2 hours600r to a 1005r 3.5 hours702t to a 600r 2.5 hours702t to a 1005r 3.5 hours703t to a 1005r 3.5 hours1001rp to a 1002rp (T1/SMDI only) 7 hours1001rp to a 1005r 7 hours1002rp to a 1005r (AML only) 7 hoursWhich process do I choose: platform migration or upgrade?Read the following sections to determine whether you should perform aplatform migration or an upgrade.Platform migrationA platform migration is the process of backing up the system data on anexisting server and restoring the system data to a new server. If the existingserver is not running the same software release as the new server, thesystem data is automatically upgraded to CallPilot 5.0 during the restoreprocess.If your current server platform is not supported, you must perform a platformmigration.The unsupported platforms are:• 200iNortel CallPilotUpgrade and Platform Migration GuideNN44200-400 01.12 Standard5.0 24 April 2009Copyright © 2007–2009, Nortel Networks.