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If you have the Apex, you should have two phone jacks labeled V1/V3 and V2/V4 (IIRC). In your outlet setup, you should have Var1 through Var4 that you can configure.
CJ
Do you think it could be a firmware issue if he has the physical outlets but they are not showing up in the menu?
I know the latest is 4.05_4B11