Users often don’t invest enough time into their messages, resulting in incomplete, unprofessional, or otherwise under-whelming greetings. Sure, crafting a greeting doesn’t sound all that complicated; however, there are a number of pitfalls users can fall into—i.e. informality, terseness, sincerity, lack of direction, and more. While none of these sound too catastrophic, they are often interrelated. As such, they tend to worsen any problem. For example, humor can cause informality, worsen ambiguity, and weaken sincerity. That being said, users should strive to avoid ALL these pitfalls.
Advanced greetings provide additional functionality for power users, but require additional setup. Contact the UBIT Help Center if you are interested in any of these options and require assistance:

All of these questions are pertinent to their call, and it’s important that you answer any that is relevant to your specific situation. Make sure not to drag on too long going through all of the info.
In this blog post, we'll cover how to set up several voicemail greetings: a name recording for your voicemail box, a default greeting, and a temporary (for holidays and vacations) greeting.