However, for many businesses, there's a need to route calls to the PSTN and other analog phones. This may mean a PSTN gateway, or even a hybrid PBX, where there's at least a small telephone switch located at your office. Your VoIP vendor will let you know if this is necessary at the planning stage. Note that these days, a PBX looks exactly like the other servers in your data center, except with an attached means of handling local and analog phones.
While the exact features offered in any particular UCaaS solution can change radically from vendor to vendor, most include options for video conferencing, shared meeting and online collaboration tools, integrated faxing, mobile VoIP integration, and device-independent softphone clients. That last one is especially important now because it means that your employees can download an app to their personal smartphone or company laptop and that app will mirror all the functionality of their corporate phone, including responding to calls coming into your business phone number and their extension in particular. For folks trapped at home by the pandemic, that's a perfect solution.

19. Howdy, you’ve reached [employee name]’s voicemail field. [Employee first name] no longer works for [company name]. Please name our major line at [phone number] and we’ll be cheerful to connect you with a most modern team member who can aid.
Obviously, I need to update it. And if you haven't changed your voicemail greeting in over a year, you're likely in the same boat.