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2. Toll-free number portability - Wikipedia

   en.wikipedia.org/wiki/Toll-free_number_portability

   The system was redesigned in 1981 to use a database, the SMS/800 service management system, which could direct any toll-free number to any destination based on various conditions; number prefixes remained tied to specific carriers until a RespOrg (responsible organization) structure was introduced in 1993 (US) and 1994 (Canada) to allow ...

3. Mobile number portability - Wikipedia

   en.wikipedia.org/wiki/Mobile_number_portability

   A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.

4. Toll-free telephone numbers in the North American Numbering ...

   en.wikipedia.org/wiki/Toll-free_telephone...

   In the early 1980s, Bell Labs received a patent for what became AT&T's "Advanced 800 Service", a computer-controlled system where any toll-free number could point to any destination number, such as to a small business local number instead of a special InWATS line, and an itemized bill generated only for the calls the business actually received.

5. RespOrg - Wikipedia

   en.wikipedia.org/wiki/RespOrg

   RespOrgs were established in 1993 as part of a Federal Communications Commission order instituting toll-free number portability. [1] A RespOrg (pronounced as though it were a single word, something like "ressporg") can be a long-distance company, reseller, end user or an independent that offers an outsourced service.

6. Local number portability - Wikipedia

   en.wikipedia.org/wiki/Local_number_portability

   Local number portability (LNP) for fixed lines, and full mobile number portability (FMNP) for mobile phone lines, refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier ("service provider portability"), move it to another location ("geographic portability"), or ...

7. AT&T data breach exposes texts, calls of nearly all mobile ...

   www.aol.com/t-data-breach-exposes-texts...

   AT&T is at the center of another data breach, according to a company press release.. The release states that the record of all calls and texts was compromised for "nearly all of AT&T’s cellular ...

8. Toll-free telephone number - Wikipedia

   en.wikipedia.org/wiki/Toll-free_telephone_number

   A toll-free telephone number or freephone number is one number that is billed for all arriving calls. For the calling party, a call to a toll-free number from a landline is free of charge. A toll-free number is identified by a dialing prefix similar to an area code. The specific service access varies by country.

9. Get 24x7 Live Tech Support for Any Device | AOL

   www.aol.com/products/tech-support

   24x7 support for your AOL account issues plus security products. Learn more ; Unlimited tech support for nearly any issue on any device. Learn more