Go Local Guru Web Search

Search results

1. Results from the Go Local Guru Content Network

2. Blue box - Wikipedia

   en.wikipedia.org/wiki/Blue_box

   A blue box is an electronic device that produces tones used to generate the in-band signaling tones formerly used within the North American long-distance telephone network to send line status and called number information over voice circuits.

3. Google Voice - Wikipedia

   en.wikipedia.org/wiki/Google_Voice

   Google Voice currently provides free PC-to-phone calling within the United States and Canada, and PC-to-PC voice and video calling worldwide between users of the Google+ Hangouts browser plugin (available for Windows, Intel-based Mac OS X, and Linux).

4. Stingray phone tracker - Wikipedia

   en.wikipedia.org/wiki/Stingray_phone_tracker

   A StingRay can be used to identify and track a phone or other compatible cellular data device even while the device is not engaged in a call or accessing data services. A Stingray closely resembles a portable cellphone tower. Typically, law enforcement officials place the Stingray in their vehicle with a compatible computer software.

5. Restrictions on cell phone use while driving in the United ...

   en.wikipedia.org/wiki/Restrictions_on_cell_phone...

   A driver may not hold or handle their cell phone at any time while driving. Handsfree calls are permitted. Phone or other device may be used for navigation. However, handling phone to initiate call or navigation must be done before entering roadway.

6. Handsfree - Wikipedia

   en.wikipedia.org/wiki/Handsfree

   Devices that are typically used for handsfree communication use Bluetooth as its wireless technology. They still require a smartphone or other device to initiate a call. These devices include Bluetooth headsets, hands-free car kits (HFCK), and personal navigation devices (PND).

7. John Draper - Wikipedia

   en.wikipedia.org/wiki/John_Draper

   Learning of Draper's knowledge of electronic design, they asked him to build a multifrequency tone generator, known informally as a blue box, a device for emitting audio tones used to control the phone network. The group had previously used an organ and cassette recordings of tones to make free calls.