I've been explaining the options that ZelloWork provides for group conversation. The app's Channels can accommodate just about any organization structure or set of work rules.
As we've discussed previously, ZelloWork is an app with support for group channels. But because it's an app, it offers much more versatility around channels than do 2-way radios. In particular, ZelloWork supports various channel types that meet the needs of different kinds of groups.
We just got back from Baltimore, where we attended the co-located Solid Waste Association of North America’s WASTECON and the International Solid Waste Association World Congress.