Adaptive channel selection method for a cordless telephone

Adaptive digital RF communication in a cordless telephone

Apparatus and method for allocating channels in plural communica

Apparatus and method for enhancing telephone call quality of fac

Apparatus and method for generating a calling tone of...

Apparatus and method for prolonging battery life in a portable t

Apparatus and method for synchronizing a cordless telephone base

Apparatus and method of contention resolution for a plurality of

Apparatus for enhanced voice quality in multiple cordless...

Arrangement for configuring multiple portable units for communic

Arrangement with a short-range radio system

Auto sensing home base station for mobile telephone with...

Auto sensing home base station for mobile telephone with...

Auto sensing home base station for mobile telephone with...