This book includes: Introduction; Mobile Computing Architecture; Mobile Computing Through Telephony; Emerging Technologies; Global System for Mobile Communications ; Short Message Service; General Packet Radio Service; Wireless Application Protocol; CDMA and 3G; 10 Wireless LAN; Intelligent Networks and Interworking; Client Programming; Programming for the Palm OS; Wireless Devices with Symbian OS; J2ME; Wireless Divices with Windows CE; Voice over Internet Protocol and Convergence; Security Issues in Mobile Computing.