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2. Nearly all AT&T cell customers’ call and text records ... - AOL

   www.aol.com/nearly-t-cell-customers-call...

   The call and text message records from mid-to-late 2022 of tens of millions of AT&T cellphone customers and many non-AT&T customers were exposed in a massive data breach, the telecom company ...

3. FBI investigating AT&T breach exposing all cellphone ... - AOL

   www.aol.com/news/t-says-hackers-stole-records...

   The company said in an SEC filing that it learned from an internal investigation that in April, hackers "unlawfully accessed and copied AT&T call logs" that were saved on a third-party cloud ...

4. Automatic number announcement circuit - Wikipedia

   en.wikipedia.org/wiki/Automatic_number...

   An automatic number announcement circuit ( ANAC) is a component of a central office of a telephone company that provides a service to installation and service technicians to determine the telephone number of a telephone line. The facility has a telephone number that may be called to listen to an automatic announcement that includes the caller's ...

5. Ringback number - Wikipedia

   en.wikipedia.org/wiki/Ringback_number

   Ringback number. A ringback number is a telephone number for a telephone line that automatically calls the line that the call was placed from, after the caller has hung up. The typical use of this facility is by telephone company technicians for testing a new installation or for trouble-shooting. [ 1]

6. Vertical service code - Wikipedia

   en.wikipedia.org/wiki/Vertical_service_code

   Vertical service code. A vertical service code ( VSC) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features. [ 1] Some vertical service codes require dialing of a telephone number after the code sequence. On a touch tone telephone, the codes ...

7. AT&T says data from 109 million US customer accounts ... - AOL

   www.aol.com/news/t-says-data-around-109...

   By David Shepardson. WASHINGTON (Reuters) -AT&T said on Friday the company suffered a massive hacking incident as data from about 109 million customer accounts containing records of calls and ...

8. Hayes AT command set - Wikipedia

   en.wikipedia.org/wiki/Hayes_AT_command_set

   Terminal-emulator software typically allows the user to send Hayes commands directly to the modem, and to see the responses. In this example, the user of computer A makes the modem dial the phone number of modem B at phone number (212) 555-0100 (long distance). After every command and response, there is a carriage return sent to complete the ...

9. T-carrier - Wikipedia

   en.wikipedia.org/wiki/T-carrier

   The T-carrier is a member of the series of carrier systems developed by AT&T Bell Laboratories for digital transmission of multiplexed telephone calls. The first version, the Transmission System 1 (T1), was introduced in 1962 in the Bell System, and could transmit up to 24 telephone calls simultaneously over a single transmission line of copper ...