Professional — Lets them know who they’ve reached, why their call has not been answered and when they can expect a return call.Personable — Lets them know their message has been received by a real person who values their call and will reach back out to them. Including humor and a personal touch is extremely important here (even if your industry prefers to be more “robotic” in their communications). What is the most professional voicemail message?
Your consumers will connect to your company in a multitude of ways through email, e-mail, live chat, and social networking. Make sure your voicemail lets people know what other methods of contact they can use to reach. It is always an ideal time to discuss the favored contact method. Let them know if the voicemail is not harder to answer. It will not be harder to check up with all the voicemails left clients because the voicemail messages are properly transcribed with accuracy and short turnaround time to initiate action at the right time. kevind_22507's blog In Best Practices 5 Professional Voicemail Scripts and How To Record Them How to record a voicemail script: 7 tips to follow

When you’re looking for a job, a good rule of thumb is to answer your phone as often as you can. You never know when a recruiter might be calling to set up an in-person meeting, or conduct a phone interview.
While covering all of the relevant information, aim to keep your voicemail to about 20 seconds. You definitely should not ever record a business voicemail longer than 30 seconds, and anything less than 10 seconds will typically mean that you are either speaking too quickly or aren’t providing all of the required information.