Use of isdn to provide wireless office environment...

Use of platform-independent code for supporting services in...

Use of radius in umts to perform accounting functions

Use of radius in umts to perform hlr function and for roaming

Use of sectorized polarization diversity as a means of...

Use of sectorized polarization diversity as a means of...

Use-code based call-treatment selection

User assisted wireless fraud detection

User equipment device for a umts mobile telephone...

User interaction procedure

User interface for accessing messages received by a...

User selectable receiver addresses for wireless...

Using a single point code to represent multiple switching...

Using decoupled power control sub-channel to control...

Using paging or satellite paging to trigger remote devices

Using two classes of channels with different capacity

Using two sim cards with same msisdn number