For many small businesses, the announcement will send the caller straight to a voicemail box. But larger organizations may decide to direct callers to a phone menu or forward the call to an external destination, depending on the situation. These options can include: Listing individual voicemail boxes for different departments or employees. Forwarding calls to a professional answering service. Giving callers an option to connect to an after hours or emergency support line. Directing calls to a personal cell phone. Presenting menu options for additional recordings about office locations, ongoing promotions, and other information.
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.

5. You have reached [your business]. We are currently closed. Our normal hours of operations are from [hours] [days]. We are closed on [days]. Please leave us a message with your name and number and we will return your call when the office reopens. You may hang up after leaving your message or press the [key] for additional options. Thank you for calling.
There’s nothing more crucial to your business than the image you create to your customers, community, and your prospects. With a lot of fly by night and home based businesses today, it is more crucial than ever to show your business company in right light and to tell those that make business with you that you’re a trustworthy and credible entity.