With the technological advances and market development, telecommunications networks and the Internet are converging into one universal network; meanwhile , the services provided by these two kinds of networks are integrating . Pervasive services will meet demands and expectations from all aspects . The topic has become a favorite for research in Beyond Third Generation (B3G ), Next Generation Network (NGN) and Next Generation Internet (NGI) fields . The concept of the pervasive services comes from pervasive computation and B3G . Their features include pervasiveness , mobility, transparency, QoS - guarantee , customization , adaptiveness , push , security, easiness , variety and time - to - market. 3GPP , OMA and the B3G research program of the European Union (EU) have conducted a lot of research work about the different features of pervasive services . The current hot topics in the pervasive services research include context awareness and s ervice enabling .