1. Standards and Interoperability Do they matter for ETPs?”
John Boggis, Head of Standards, Vodafone
23 October 2006

2. Standards and Interoperability in Mobile Telecoms
- If the Mobile Industry had no standardised interfaces then:-
Your national mobile network would be…..
Closed
Unable to make calls to/from another network - fixed or mobile
Limited supply of handsets
Lack economies of scale
No roaming
Compromised capability.

3. Open Interfaces and Interworking
Clear unambiguous specifications
No options
Built-in version compatibility control
Minimal proprietary extension
A desire by operators to specify and by manufacturers to comply
Comprehensive test and validation framework
Test Specifications
Emulators
Reference implementations
Interoperability Agreements
Bake-offs
Test-Fests
Target : Interoperability means Demonstrated Interworking
built from Open Specifications of Interfaces