Instead of recording and sending a greeting through your phone’s voicemail system, you can use a visual voicemail application installed on your phone.
Use Your Own Voice Mail System. If you are using a phone that does not have visual voice mail, you can send a voice message directly to the voice mailbox of a phone number as long as the number is on the same cell phone network as your phone.. If you are unsure about whether or not you have visual voicemail, there is an easy way to check.

The voicemail greeting is an important element of your business’ phone system because it is often the first impression of your business that customers will have. Creating a really good voicemail greeting is a unique opportunity that you can use to impress customers by putting your best face on, while increasing the chances that you’ll retain their business in those times when you can’t
Leave voicemail without the phone ringing. Sometimes you might want to access a person's voicemail without making the phone ring. There are services you can pay to leave a voicemail without a person's phone ringing. If your phone is dead, you can still check voicemail by following the steps above, even though the phone …