Here are several tips to consider when setting up a professional voicemail greeting:
Assessing the number and quality of features available can also staggering. We assumed you'll want the basics of call forwarding, voice mail boxes, and a standard menu that lets customers select where they want to direct their calls. But consider other features, like applications that will allow portability from business to cell phone, features that will translate voicemail to text or email, call recording, fax services, and even features that will work with Google documents, Salesforce, or your office software. How much of these additional features does your company really need, and how much are they worth to you?

If done tastefully, you can promote your products or services on your voicemail greeting without sounding pushy. In fact, it’s a great way to keep customers up-to-date on company events, sales, and other news. Be sure to keep it short and have fun with it.
After creating, the Voicemail Greeting, you can test it by calling to your number from another phone, and see if it is playing correctly or not. Open the Phone App. On the lower screen, tap on the Voicemail option. Select Custom, with this option, you can record the personal voicemail greeting on the iPhone. Tap Record, to start recording the voicemail greeting message on the iPhone. Greeting samples are given in this article below, Once you are done with recording, tap Play to listen. Lastly, if everything is alright, and custom voicemail recording is perfect, then tap Save.