Voicemails don’t necessarily have to be monotonous or extremely jazzy or funky. What you’re looking for is a balance between the two. Whenever I call someone and their voicemail greeting is playing, it tells me a lot about who they are, as a person. Which is why, you’ve got to put a little bit of “you” when it comes to voicemail. And the best part about all of this is, since you couldn’t come to the phone, at least the callers are having a good time listening to the message.
On the other hand, please be advised that you can activate voicemail for free, even without unlimited subscription or a Skype Number. Refer to this support link for additional information. How do I use Skype voice messaging? In reply to Aljon_T's post on March 14, 2018

13. “Hello, you’ve reached the [Department name] at [your company]. We can’t take your call right now, but please leave your name, contact information, and the reason for reaching out. One of our team members will be in touch within the day. To ensure we don’t miss you again, you can also let us know the best time to call you back. Thanks and have a great day.” This greeting lets your caller know your Customer Service team is just as efficient as you are.Voicemail greetings for calls received after business hours
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