A technique used in a subscriber unit (800) allows reception of personal messages transmitted by a home radio communication system (102,104) and content messages transmitted by a content radio communication system (106). The home and content radio communication systems (102,104, 106) share coverage areas....http://www.google.com/patents/US6275698?utm_source=gb-gplus-sharePatent US6275698 - Method and apparatus for providing content information on a roaming channel