Communication manager migration from 3 to 6

[nagy48]

I have communication manager 3 in s8300c and media gateway g700 and i will migrate to communication manager 6 in s8300d and media gateway g450.
what is the procedure?
should i install system platform?
and can i take a backup of the translation and restore it in the new system ?

[sunilkumarv]

Hello,

you can follow the upgrade document for the same.

http://support.avaya.com/css/P8/documents/100171610

Release 3.x.x on S8500A, S8700, S8710/S8720 wDAL1:-

Upgrade to Release 4.0.5 and then upgrade to a HP ProLiant DL360p G8
or Dell™ PowerEdge™ R620 server on Release 6.3.6.

Release 3.x.x on all other servers:-

Upgrade to Release 4.0.5 and then install a preupgrade service pack
before you upgrade to Release 6.3.6