One customer wants to upgrade IP IVR 2.1(1a) to 3.5(3). This version is old and I can not find any upgrade document I can reference. And Customer wants to keep his DB. I think it is very diffcult to me. What about the step?
Thanks! But what about the license? Can License for IP IVR 2.0 use in IP IVR 3.5?
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