The purpose of the gateway mechanism is: If a device on the local mesh network has an internet connection (WiFi or cellular data), it automatically becomes a gateway. Messages from the offline mesh network are forwarded to the Nostr relay, and then to recipients in other locations.

nostr:npub1pm5z0gmw3wcvl3yreuv8y7q3stz2zmzc4jar4ckhk927qdcwjwuq3txe07 The question is, does bitchat have a "gateway mechanism" feature?