In practice, most businesses are simply handling this on a case-by-case basis since COVID is a temporary problem. Most home networks can handle the extra load as long as the employee makes sure that other latency-sensitive traffic, like gaming or video streaming, is kept to a minimum during the hours when they need to talk. If some home routers develop problems, IT staff simply build a queue and handle those one at a time. Sometimes they'll be able to access the router remotely with the employee's permission, sometimes they'll have to walk that employee through configuration steps to fix the problem. Sometimes the employee will just have to live with it unless the company springs for a new router or a higher bandwidth tier from the employee's ISP.
I have a confession to make: I haven't recorded a new voicemail greeting in nearly a decade. Since then, I've (hopefully) become more articulate, poised, and self-assured. But hear my voicemail recording, and you'd think I was still new to the work world, a little unsure of myself — and probably not an authority.

With VoIP phone system technology, small businesses can enjoy the same professional voicemail features as large companies. Voicemail systems offer basic to sophisticated features, like email & …
2. Announce yourself. Make sure to identify yourself and your business on your voicemail greeting. It confirms that your caller reached the right party. It will also reduce the number of wasted calls, hang-ups, and trivial messages that your small business receives. 3. Set the right expectation. Let your callers know when they can expect a call