SMS as a part of Public Warning in the case of the emergency situation. SMS (text provided by the services involved in solving of emergency situtation) is sent by the operators to their customers/abonents in case of the emergency situation.
Malta
Mobile
Cell Broadcast
Netherlands
Automatic
Cell Broadcast
https://crisis.nl/nl-alert/english/
Poland
Text messages (Alert RCB) sends information about the threat to mobile networks operators, who immediately forward it to their subscribers. Anyone who has a mobile phone switched on, if present within the emergency messaging area (the "danger zone"), will receive a short text message (SMS) informing about the type of threat.