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I'm trying to make the MWI indicators on my client's Vodavi Starplus DHS phones work. The actual signalling - in-band DTMF from the ZAP interfaces directly to the PBX system - works fine. I can manually tell asterisk to send "#9610" as DTMF and voila, the MWI on extension 10 lights (or goes out.) The question is, how is this integrated with voicemail, i.e. so that the MWI