Ringless Voice mail drop

[ambiorixg12]

This is not possible using Asterisk, asterisk just can dial an specific number but it is the receiving party who decide if send the call to the voicemail or some place else

How to accomplish ringless voicemail using Asterisk

On a mildly hacked on asterisk server, I was able to set this up and drop voicemails in every number I tried (I owned or with permission) in about 40 minutes. I didn’t use any of the methods mentioned above. Just because you can do something, doesn’t mean you should. Yes, of course Asterisk can be used for nefarious purposes, however I, and I think you (whomever may be reading this) will find I and almost everyone here is going to be against giving advice on how to spam.