To choose the best answering machine, you first should become familiar with the different models that are on the market. As with most kinds of technology, new answering machines are developed often. You might find some models that are attached to telephones and other models that are freestanding but are designed only for certain phones. Some answering machines use tapes to record incoming and outgoing messages, but more advanced models tend to use electronic recordings. It is common for fully electronic answering machines to hold more information.
A word of warning: These greetings will not do you any favors if you're in the midst of a job hunt or work in a conservative industry. Always remember your target personas. If there's a chance they won't appreciate your sense of humor, opt for a straightforward greeting instead.

Your phone system can be a powerful marketing tool for your business, and that includes your voicemail greeting. If you want to utilize this opportunity to throw in a quick humblebrag and keep callers informed of your awards and accolades, there are a few best practices, you should follow. First, keep the self-promotion brief and appropriately placed within your voicemail message. Don’t promote yourself and your products/services in the same greeting, and finally, only include current achievements in your business voicemail greeting.
It is important that you monitor your performance indicators for you to check if the slightest of changes can bring a difference to how many voicemails are received.