A good first impression goes a long way, and a voicemail greeting is the first impression to your business. An expertly crafted voicemail script lets your clients know you’re dependable, capable, and confident. An unprofessional voicemail script, on the other hand, can do the exact opposite.
Creating a professional voicemail greeting isn’t complicated, but you need to keep a few things in mind to ensure success. The following tips will help: Be friendly and welcoming - let your company's personality shine!; Have a clear voice, speak at a slow to moderate pace, minimize background noise; Ensure the greeting is human and approachable; Keep the greeting short and informative; Ensure the greeting doesn’t sound robotic or unnatural; Show your gratitude for the call by saying thank you; Manage expectations by clearly stating when the client can expect a callback.

You are dazed, bewildered, trapped in a world with no time, where color collides with sound, and shadows explode. You see a sign up ahead. This is no ordinary answering device; this is "The Twilight Phone"
You could use this website as a free voice over generator for narrating your videos in cases where don't want to use your real voice. You can also adjust the pitch of the voice to make it sound younger/older, and you can even adjust the rate/speed of the generated speech, so you can create a fast-talking high-pitched chipmunk voice if you want to.