Typically, web-based services let you enter a special section in their online dashboards. From there, you find the file and tell the system to apply it to your voicemail box.
Here are some voicemail greeting scripts that work great for doctor, law, and dental offices. (Check out our 5 sample scripts for business voicemail greetings if you work in a different field). Voicemail Scripts for Doctors Doctor's Office. Doctors who run their own practices are responsible for the entire organization's voicemail greeting.

When you’re using the traditional voicemail system, your carrier dictates some messages you’re going to store in your voicemail box. But with a virtual system, you can store and retrieve messages whenever you want. The cloud also allows you to convert the voicemail audio files and texts and send them via email to relevant departments for further screening.
One major pain point for any business is when customers aren’t going into a phone call or meeting prepared. If, for example, you’re a lawyer, you need your clients to come prepared with their documents ready. You also know that there are a ton of papers that need to be organized and filed — often with tight deadlines as well — and it’s imperative for the client to have it all readily accessible.