The basic rule of thumb is that callers should hear one of two things when they first connect with your voicemail — either an apology for not being able to answer the call or a “thank you” for having called. You can do both if you prefer, but keep it short and to the point.
Here are a few impressive Voicemail Greetings formats that we can use for our Business, and Prepare your IVR system using some free Text to speech convert online. Let’s Find your Favorite one that suits your Business types like Doctors Clinic, Crunch Office, Low Office, Avaya Office, Dental Office, General Office, Leasing office, Call center, Customer Support office, Legel Office, ooma office, temporary Out of Office Voicemail.

a standard greeting as per Option 5 minus the mailbox user's name, followed by the fixed system prompt, "Begin speaking after the tone, then hang-up when you are finished or press any key for further options."
4. “Thanks for calling [your company]. We’re looking forward to speaking with you. Let us call you back as soon as we are available by leaving your name, contact information and the reason for your call. Have a great day.” A simple, concise, and, of course, friendly voicemail greeting for your main business line.