If you sound too relaxed or overly familiar, you're going to undermine both your and your company's credibility. People want to buy from an expert — not someone trying too hard to sound cool. So avoid coming off as too laid back and using too much slang, "um's," and "yeah's."
An alltime classic technique was offered by Thomas J. Elijah, III, of Elijah & Co. Real Estate, at a SalesMasters meeting. He said to leave a partial message that includes your name and phone number, then pretend to get cut off in midsentence, as you’re getting to the important part of the message. “Cut it off in midword,” Elijah says, “it works like a charm because the prospect can’t stand not knowing the rest of the information, or thinks his voice mail is broken.”

Voicemail Scripts for New Prospects Sample Voicemail Message #1: Here is the classic template when calling a new prospect – adjust and adapt it to fit your product or service. In this and all examples, leave your phone number SLOWLY. “Hi _____, this is _____ with (your company).
Little things like a great voicemail can really set you apart from your competition. Think about it. Would you be more inclined to want to interview someone who is shouting about how much they hate calling people back, or the person who simply asks you to leave a message? Andrea (she/her) is our head of PR at Snagajob, where she’s focused on telling the world how we help hourly workers and employers. Her first hourly job was as a lifeguard.