A network-based announcement and message delivery service for providing a landline customer with information of interest such as weather, financial market data, time/temperature, sporting event results, etc. The information is provided to the subscriber by way of information displayed on a caller-ID...http://www.google.fr/patents/US6920211?utm_source=gb-gplus-shareBrevet US6920211 - System and method for providing network information service using CID-type messages
System and method for providing network information service using CID-type ...
