Professional recording studio — Rent a professional recording studio space for a day to have optimal audio quality.Professional speaker — Hire a voiceover professional to create all of the voicemails across your company.Create a script — Create scripts for the voiceover professional to use during recording.Be personable — As noted above, allow for a bit of personality in the recording.Be positive — Tone matters more than the words you say!Keep it short — The longer they have to listen, the less likely they are to leave a message.Ask for details — Make sure to get the most important information from them in their message. Get a free business voicemail script (that you can use today!)
6. "Hi, this is [your name]. I'm either on a call or away from my desk. Please leave your name, number, and a brief message and I'll get back to you. Thank you."

After all, a professional voicemail recording boosts your credibility, makes you seem more competent, and encourages whoever's listening to it to continue the relationship.
Your phone system can be a powerful marketing tool for your business, and that includes your voicemail greeting. If you want to utilize this opportunity to throw in a quick humblebrag and keep callers informed of your awards and accolades, there are a few best practices, you should follow. First, keep the self-promotion brief and appropriately placed within your voicemail message. Don’t promote yourself and your products/services in the same greeting, and finally, only include current achievements in your business voicemail greeting.