"For now, we'll use this post to address the top five applications for mobile user authentication & roaming.
1. Seamless, Cross-Network User Experience
2. User-Provisioned Mobile Devices In The Enterprise
3. Fixed-Mobile Convergence
4. Behind-The-Firewall Connectivity
5. Wi-Fi-To-Cellular Interworking
...
The second application is distinguishing between 'business' and 'personal' uses. Using a combination of carrier services, enterprise policies and SIM-based applications; it's easy to envision a business world where a mobile telephone can have two telephone numbers (work and personal) with two different user accounts. The work account would be paid for by the company, and the personal account would be paid for by the individual user."
