Telephones or mobile phones can now be used to acquire recorded messages when you are not able to take the call, for one reason or another. These recorded messages are called voicemail and they can be very beneficial to you, especially if you’re one who relies on communication for your business .
As mentioned above, it is extremely important to have a voicemail message that is easy to understand. However, there is also the matter of word choice. You must ensure to give attention to what your words are in your voicemail greetings. There can be certain words used that may trigger your customers. Though you did not mean what they understood, it will still bring a bad name to your company’s reputation. Your choice of words can affect significantly, so make you give close attention to your words.

However, your best bet is to get specific instructions for your device. It’s easy – just navigate to voicemail setup on the Tracfone website. There, you can enter your device’s serial number. Not sure how to find it? One of these three easy ways should do the trick.
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.