Here's the link to the section you needed in the training portal: https://dovetailmktg.kartra.com/portal/mgsitlogin/post/170
Slybroadcast is a great way to send tons of voice drops automatically. A Voice Drop or Call Drop is a ring less voicemail. Everyone on the list will get the same voicemail. If you need to catch up with calling lots of old, cold (or even warm) leads, this can be a great method of doing that.