should therefore be allocated to the shorter, but expensive and exposed access part. A sufficiently low bit error rate in the backbone is achieved by means of fibre- based systems. Delays and delay variations should also be kept low. The fibre contributes Multi player games service Games download/upgrade Music download service Niche Local offers/ad. Service Internet services Video clip service and/or Distant learning Information enriching Application/web services and Video/Multimedia conference retrieval content provisioning Time-saving Electronic wallet. E-commerce Information/ news alerts Financial/transaction services Customers E/m-business Enterprise E-business, Partners call center Positioning services Empowerment voice Yellow pages Browsing internet Inter-site Remote access Entertainment Networking Music, movies, sports business process support Video telephony service Email service, chat Branch Friend location service Employees offices Social communication Instant messaging service Pictures/photos (personal use) market Multimedia messaging service Emergency locator Enterprise needs services Safety Alarms safety alerts Video surveillance Medical info Services for end users Telecom Network Service Network business Service network and IP infrastructure servers Product packages Applications Service/User management IP infrastructure Service Portals content AAA, notification etc DHCP, DNS etc enablers IHSS/HLR Communication control Servers Network support servers traffic Service area roles Network management . MSC/TSC server SGSN control function . CSCF/BGCF Billing/accounting . GMSC server GGSN control function MRFC/MGCR Customer care TeSserver CS SIP server Connectivity network Packet backbone Corporate ISP etc WLAN hot spot GSM)GPRS/EDGE PSTN/ISDN Cable GERAN UTRAN Roles fixed wireless access Figure 5.20 Integrating the corners at service network revenue level Services (CPE, Other network Terminal if any) Content content Colour display Game ABC Messaging and presence services, WAP/WAP gateway, interactivity Se