2.1 PORTAL DEFINITION AND TYPES.........................................................................................................................8
2.2 PORTAL SERVICE CHARACTERISTICS................................................................................................................12
3.1 IMPORTANT ISSUES AND TRENDS.......................................................................................................................16
3.2 OPEN SERVICES ARCHITECTURE (OSA) FRAMEWORK.....................................................................................16
3.3 APPLICATION PROGRAMMING INTERFACES (APIS) ........................................................................................18
3.4 MARKUP LANGUAGES .............................................................................................................................................19
3.5 PERSONALISATION ...................................................................................................................................................23
3.6 INDUSTRY IMPLICATIONS........................................................................................................................................26
4. MOBILE TERMINALS..................................................................................................................................................28
4.1 IMPORTANT ISSUES AND TRENDS..........................................................................................................................28
4.2 MOBILE BROWSERS....................................................................................................................................................30
4.3 MOBILE OPERATING SYSTEM .................................................................................................................................32
4.4 MOBILE TERMINAL TECHNOLOGY TRENDS........................................................................................................34
4.5 INDUSTRY IMPLICATIONS........................................................................................................................................39
5. CRITICAL PORTAL SERVICE ENABLING CAPABILITIES..............................................................................40
5.1 IMPORTANT ISSUES AND TRENDS.......................................................................................................................40
5.2 SECURITY ......................................................................................................................................................................41
5.3 BILLING, CHARGING AND PAYMENTS ................................................................................................................42
5.4 QUALITY OF SERVICE (QOS) ............................................................................................................................44
5.5 INTEROPERABILITY ..................................................................................................................................................46
5.6 CONTENT FORMAT .........................................................................................................................................................47
5.7 INDUSTRY IMPLICATIONS................................................................................................................................................52
6. SUMMARY AND MINIMAL FUNCTIONAL SET ANALYSIS.............................................................................54
6.1 SUMMARY .................................................................................................................................................................54
6.2 MINIMAL FUNCTIONAL SET ANALYSIS................................................................................................................55
6.3 RECOMMENDATIONS AND CONCLUSIONS..........................................................................................................60
7. APPENDIX A – INTERVIEWS.....................................................................................................................................63
8. APPENDIX B – 3G PORTAL HANDBOOK CONTRIBUTORS.........................................................................64
