When someone texts one of your numbers, the message appears in the room that number is attached to, visible to every member. Covers who sees inbound texts, sender restrictions, and flood protection.
When someone sends a text to one of your SMS-enabled numbers, whoot. posts it straight into the room that number is attached to. There's nothing to forward and nobody to copy in — the message simply turns up in the room, in order, alongside everything else that's been said.
Everyone in the room. An inbound text is an ordinary room message: it's visible to every member and to nobody outside the room. It's tagged as having arrived by SMS and carries the sender's number, so it's always clear that it came from a text and who sent it.
By default a room's number accepts texts from anyone. If you'd rather only known senders could post, switch the number to allowlist-only. From then on only numbers on the allowlist (the same list used for dial-in PIN access) can post into the room; texts from anyone else are recorded for audit but never shown to members.
Inbound texts are rate-limited so a burst from one sender can't bury a room. If a number is hit too hard, the extra messages are held back rather than posted — they're still recorded, just not delivered into the room until things settle.