This device is known as a Telephone Tone Decoder it is used by surveillance professionals and spys for decoding tones recorded on prerecorded conversations. When the conversation recorded includes the pick up of the telephone including the tones of the touch tone buttons when the telephone is dialed this device will help you tremendously. This device is small and handheld it has an internal microphone that decodes the recorded tones of tape recorders, speakers or from scanners. The numbers will automatically appear on a digital display. It can and will display telephone numbers up to 16 digits. This devices are sold by surveillance suppliers for about 490 U.S. Dollars. This writer has obtained such devices at about 90 U.S. Dollars. A good surveillance expert installer has one or more of this devices near by.
Interested in getting Counter-Surveillance services contact me via e-mail :
I do travel throughout the United States, Canada, Mexico and Latin America to complete such services.
In my Counter-Surveillance services, I can or will sweep your home or office searching for occult listening devices, occult recorders and hidden transmitters. I will review all wires and signals going into or out of the building.
If required I can train your security personnel to perform weekly reviews of your buildings. I can train your security personnel to install surveillance equipment and provide counter-surveillance sweeps.
I sell and provide counter-surveillance search equipment and surveillance devices. I will never reveal to anyone the names or services requested or given to any of my or possible clients. I will always maintain my honor and loyalty to my clients. All contract services are considered secret and confidential.