1. CBC Conformance Testing and Interoperability Issues Team Members Neil Mcgrath – Logica Mobile Networks Paul Curren – Logica Mobile Networks Walter Kokert – DT-T-Mobile Stephane Lecherq – France Telecom Fuad Yatim – Celcom Ronen Daniel – Celltick Alan de Vires - CMG

2. CBC Conformance Testing and Interoperability Issues CBC CBE BSC Handset / SIM UE Web Page SMSC 12 3 1b 4 4

3. CBC Conformance Testing and Interoperability Issues Interface 1 – Base Station Standards Communication with BSC manufacturers is required Conformance Testing normally occurs using BSC simulators, or Test BSCs or at the Customer Site Cost of BSC activation for CBC is questionable, as is the quality of some BSC configurations. There are some performance issues with BSCs We need buy in from the manufacturers to CBC. We need better access to standards and testing facilities

4. CBC Conformance Testing and Interoperability Issues Interface 2 – Handset / SIM issues Need for CBC download support to be standardised Storage of CBC profiles of the SIM made standard (channels etc) Un-Intrusive Receipt of Class 2 Messages as standard The need for a published list of CBC compliant handset / SIM combinations Question to Handset manufacturers : what sort of resources are they willing to commit to standardisation of CBC? Will it be a ride along?

5. CBC Conformance Testing and Interoperability Issues Interface 3 Standardisation of CBE interface Has Great advantages Priority of this is questionable Sharing of XML technology ?

6. CBC Conformance Testing and Interoperability Issues Interface 4 – OTA standard Behaviour Again – a handset / sim issue Very important for premium channel distribution More Testing / Test Results required