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Discussion in '3CX Phone System - General' started by omar.t, Jul 21, 2010.
I would like to know how to turn on the message waiting indicator in a SPA942.
Are you using the free or a paid version? MWI doesn't work in the free version without the Demo key.
If MWI should be working, in the SPA942, go to the Phone tab and at the top you will see a place to put in the system voicemail number (usually 999 or 99)