SIM-Based Roaming 2/3G to WiFi Hotspots [InternetNews]
HP, with their SS7 gateway and location register (HRL) platform - now extended to support GSM - have teamed up with TOGEWAnet who provide WeRoam roaming infrastructure to enable GSM-WiFi roaming based on secure SIM-card authentication.
What this means is that a user can roam from cellular to WiFi LAN services and remain on one account, paying one bill. The roamed-to hotspots will be paid by transferred accounting between the user's service provider and the hotspot provider(s).
By offering a solution based on SIM-card authentication, this makes it attractive to operators. As TOGEWAnet claim on their website:
"In October 2002 WeRoam® has successfully been implemented in the core GSM network of various operators to enable these operators to have a swift and cost efficient entrance into the world of WLAN."
The WeRoam solution interworks with RADIUS to complete the authentication onto the hotspot network. There are numerous benefits to this approach.
9:39:50 AM 
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