Mobile phone multimedia message transmission system has deliberate envelope errors

摘要

A mobile phone multimedia message (6) transmission system uses an SMS, (Short Message Service), GPRS (General Packet Radio Service) or similar envelope (22) with XML (Extended Markup Language) or similar instructions (8, 9) read by proprietary detection (5) and processing (16) programs which are activated by detection (14) of a deliberately introduced error in the envelope.