[WinstonSmith84]

I suppose they could communicate through the app which was used to order the food and/or using whatsapp.

[lxgr]

Some people still order by calling a regular phone number, and I don‘t think forcing more centralization in the industry is a good solution.

The industry stakeholders and FCC should get together and fix caller ID authentication; the rest will follow from there.

[im3w1l]

Allowing inbounds call from numbers with a recent outbound call sounds like a low-hanging fruit heuristic.

[windowsrookie]

My pizzeria does not use an App. We have an online ordering webpage, or you can order through a traditional phone call.

[withinboredom]

Who orders pizza through an overpriced app?