Even if you have this feature, it can only be used to send messages to contacts with the same carrier as you. So Verizon customers can send voice messages only to other Verizon customers, for example.
We’re all familiar with this type of voicemail greeting. Simply put, a caller reaches you by dialing your number or extension directly. For an optimal personal voicemail greeting, be clear about who you are, the team you’re on, and when the caller can expect a callback. Unlike company and department voicemail greetings, you may not be able to configure a greeting for open and closed business hours. If that’s the case, use a general voicemail greeting that accommodates both scenarios.

You’ve reached the (name) family. We can’t answer your call right now. So why don’t you leave your name, age, sex, height, weight, phone number, a short message, your social security number, credit card number, how many kids you have, your mother’s maiden name, along with the date and time you called us. And if you’ve survived this message and are still listening, your message better be important.
Voicemail messages are important, they solve the basic issue of not missing out on any leads.