voice encryption - voice encryption - Spy World - telephone voice encryption

AT&T Telephone voice encryption 3600
voice encryption - telephone voice encryption - voice encryption
Provides a convenient and reliable way to protect your most sensitive phone conversation .
Not much bigger than a hand held calculator and extremely lightweight you can carry it with you whenever you anticipate the need for confidential phone calls . This top of the line Surety Telephone Device uses digital encryption process renders your conversation inaccessible to illegal wiretapping . The device uses AT&T proprietary algorithm to encrypt the voice signal from your telephone . Easy to use, your phone call is automatically encrypted . (require one device on each side of the conversation.)



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