Yes, I think the dummy file solution is the simpliest way: if the dummy file exists, delete all personal data and the dummy file, else send all contacts and calls by SMS.

The script delete part seems easy (following the topic you give me). But the SMS send part seems more difficult to perform.

I think calls are saved in "/home/user/.rtcom-eventlogger/el-v1.db". But I cannot find the file where contacts are stored. In addition, my SQL knowledge is very limited...

It's not this topic purpose so maybe I should ask help in another topic.

Thank you very much Saturn for your help .