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2. IP exchange - Wikipedia

   en.wikipedia.org/wiki/Ip_exchange

   IP exchange or ( IPX) is a telecommunications interconnection model for the exchange of IP based traffic between customers of separate mobile and fixed operators as well as other types of service provider (such as ISP ), via IP based Network-to-Network Interface. IPX is developed by the GSM Association .

3. AT&T - Wikipedia

   en.wikipedia.org/wiki/AT&T

   AT&T Inc. (with "AT&T" being an abbreviation for its former name, the American Telephone and Telegraph Company) is an American multinational telecommunications holding company headquartered at Whitacre Tower in Downtown Dallas, Texas. [4] It is the world's fourth-largest telecommunications company by revenue and the largest wireless carrier in the United States. [5] As of 2023, AT&T was ranked ...

4. Mobile network codes in ITU region 3xx (North America)

   en.wikipedia.org/wiki/Mobile_network_codes_in...

   This list contains the mobile country codes and mobile network codes for networks with country codes between 300 and 399, inclusively – a region that covers North America and the Caribbean.

5. Use POP or IMAP to sync AOL Mail on a third-party app or ...

   help.aol.com/articles/how-do-i-use-other-email...

   Learn how to sync AOL Mail with a third-party app, using POP or IMAP, to send and receive emails in the app or download a copy of your email.

6. Lots of Static for AT&T's iPhone Strategy - AOL

   www.aol.com/2011/07/26/lots-of-static-for-atts...

   Telecom titan AT&T (NYS: T) faced a double-whammy last week that points to challenges in the near term, and potentially the long term, for old Ma Bell and her investors. Earlier in the week, AT&T ...

7. AT&T Mobility - Wikipedia

   en.wikipedia.org/wiki/AT&T_Mobility

   AT&T Mobility, LLC, also known as AT&T Wireless and marketed as simply AT&T, is an American telecommunications company. It is a wholly owned subsidiary of AT&T Inc. and provides wireless services in the United States.

8. Ringback number - Wikipedia

   en.wikipedia.org/wiki/Ringback_number

   Ringback testing is an acceptance testing procedure conducted by telephone installers to verify the quality of customer premises wiring to prevent network damage from faulty equipment or installation. The test consists of calling a reverting calling telephone number ( ringback number) or a vertical service code with a standard telephone. Upon answering the call, the exchange plays a unique ...

9. Federal Communications Commission - Wikipedia

   en.wikipedia.org/wiki/Federal_Communications...

   The Federal Communications Commission ( FCC) is an independent agency of the United States government that regulates communications by radio, television, wire, satellite, and cable across the United States. The FCC maintains jurisdiction over the areas of broadband access, fair competition, radio frequency use, media responsibility, public ...