I've made some progress on my previous post on how to setup external voicemail retrieval from external calls. The only issue is when someone calls from a cell phone into the voicemail number I set up it does not respond to any tones from the keys. Do...

I have a very new installation that I would like to see if I can get some advice on setting up a functionality that users can call in from an external number and retrieve voicemail. My supervisor was in charge of setting this system up before he reti...