A multimode radio has: an antenna that transmits and receives calls via radio signals of a plurality of communication modes; receivers that convert the received radio signals to signals for particular communication modes; an incoming call notifying unit having a speaker, display, or vibrator that respectively...http://www.google.es/patents/US6574489?utm_source=gb-gplus-sharePatente US6574489 - Incoming call notification method and device for a multimode radio device
Incoming call notification method and device for a multimode radio device
