Before I go down a rabbit hole, does the mwi publish/subscription work for non SIP phones?For instance, I have a single voicemail server, connected to multiple asterisk boxes via SIP.On each of those servers, there are a mix of SIPand SCCP phones attached.Current..
I just implemented Asterisk as Voicemail server on our GSM network. Also MWI notifications are working fine for me. There are still some glitches but overall its working for cellular network. What type of cell switch you have? Do your GSM cell swi..