CmSms.configure do |config| config.api_key = # Here goes your product token. After signup at https://www.cmtelecom.de/, you will find one in your settings. This is mandatory!!! # config.from = # If you want to set a default from (sender), do it here. # config.to = # If you want to set a default to (receiver), do it here. # config.body = # If you want to set a default body (message), do it here. end