[silence] Fwd: Conceptual Ringtone Silences Cellphones

[LRDrz@aol.com]

Am I hearing things? 

Indeed, the concept of a silent ringtone is not new at all. 
Here are two examples of different approaches

http://www.timesonline.co.uk/article/0,,2-2222217,00.html

http://www.celldorado.com/UK/ADS/9543271/

Best 
Lothar
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