This Recommendation provides a technical framework for countering mobile messaging spam. In this framework@ entity functions and processing procedures are specified. The procedures involved in this framework shall require consent to be explicitly granted by the end user of the mobile device and must conform to national regulations and laws. In addition@ this Recommendation provides information sharing mechanisms against mobile messaging spam within an anti-spam domain and among anti-spam domains. This Recommendation is applicable for short message service (SMS) and multimedia message service (MMS).