The present invention is directed to a method of controlling transmission of voice messages or information via telephonic voice message systems, which are sometimes referred to as Voice Mail Systems. Users of the system selectively specify voice message transmission instructions for controlling transmission...http://www.google.fr/patents/US6697459?utm_source=gb-gplus-shareBrevet US6697459 - Telephonic voice message transmission control method
Telephonic voice message transmission control method
