Typically, most of these services are uniform—i.e. include the same tools and features (send a script, they record it in a tone you approve, they send it as a file, you supply any feedback, etc.); however, there are some services that go above and beyond. For example, VoiceOverPro, is a single voice professional who records 30 second voicemail messages based on users’ scripts. This is standard; however, users also have options like adding music, recording up to 60 seconds (or 150 words), rush, 2-day turnaround, and even same day delivery.
Insurance agents have to deal with large numbers of clients almost all through the year. So, they are extremely busy and cannot take calls of clients. For them resorting to voicemail messages become inevitable. Here is one instance of VOIP phone service for businesses like this:

I've helped thousands of professionals in dozens of industries. If you know you or your team is capable of more, then you’ve come to the right place.
1.) Sie sind verbunden mit der Mailbox von Egon Mustermann .Derzeit ist Herr Mustermann nicht zu erreichen. Sie können es zu einem späteren Zeitpunkt erneut versuchen, oder hinterlassen eine Nachricht mit Ihrem Namen und Telefonnummer sodass sich Herr Mustermann zeitnah zurückmelden kann.