i love that device – i build one as you described above and at the end i used a professional voicemail greeting from https://voxendo.com/en/voice-prompts-and-telephone-messages/ It looks like Twillio charges by the minute even though it appears that the voice file gets saved on the Pi. I’d like to use this to record phone calls by patching it in like adding a third party using the three-way function on my cell phone.
8. Introducing Answer Bots: The Solution To (Really) Stop Unwanted Calls. You Can Also Use Your Direct Executive Program As A Fax-To-Email Mailbox, Giving You The Capability Of Handling Your Calls, Your Messages, And Your Faxes All Under One Phone Number.

Education Details: Free Use Voicemail Greeting 1: Personal Short \u0026 Friendly 1996 Answering Machine Sample School Answering Machine How to Record an Effective Phone Greeting for Realtors Radio Shack Outgoing Answering Machine Messages - Profession Edition (1990)
I have a confession to make: I haven't recorded a new voicemail greeting in nearly a decade. Since then, I've (hopefully) become more articulate, poised, and self-assured. But hear my voicemail recording, and you'd think I was still new to the work world, a little unsure of myself — and probably not an authority.