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  2. Somos, Inc. - Wikipedia

    en.wikipedia.org/wiki/Somos,_Inc.

    On November 1, 2013, via FCC Order, SMS/800, Inc., assumed tariffing authority and responsibility for the SMS/800 platform services as well as approval for a plan to change its membership and governance structure to be more representative of the community of toll-free users, and to make other changes to the administration of the SMS/800 platform.

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

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

    The SMS/800 database and RespOrg structure are used in the U.S. and Canada. A few specific exchanges remain reserved or are assigned to specific North American Numbering Plan countries which do not draw numbers from the SMS/800 pool: Some 800-NXX prefixes are reserved for the following areas: 800-389 for the Bahamas; 800-534 for Barbados; 800 ...

  4. RespOrg - Wikipedia

    en.wikipedia.org/wiki/RespOrg

    All RespOrgs operate under the same tariff and are required to follow specific guidelines for this process. The guidelines are maintained by a national industry group known as the SMS/800 Number Administration Committee (SNAC), a committee of the Alliance for Telecommunications Industry Solutions. Membership is open to any RespOrg.

  5. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    800 toll-free numbers are commonly called "800 免费电话". The official name is "被叫集中付费业务" (called party collect paid service), which means the cost of the call is borne not by the caller but by the party receiving the call. 800-toll-free numbers in China are ten-digit numbers beginning with "800". There is no prefix before ...

  6. Telephone number pooling - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_pooling

    Public resistance to the introduction of new area codes, whether as overlay complexes (which allowed customers to keep their existing numbers, but broke seven-digit local calling) or by area code splits (where the area code of existing numbers was changed), prompted the FCC and state commissions to introduce thousands-block number pooling, i.e. the allocation of number space in blocks of only ...

  7. MSISDN - Wikipedia

    en.wikipedia.org/wiki/MSISDN

    The IMSI is often used as a key in the home location register ("subscriber database") and the MSISDN is the number normally dialed to connect a call to the mobile phone. A SIM has a unique IMSI that does not change, while the MSISDN can change in time, i.e. different MSISDNs can be associated with the SIM.

  8. NAPTR record - Wikipedia

    en.wikipedia.org/wiki/NAPTR_record

    NAPTR records are most commonly used for applications in Internet telephony, for example, in the mapping of servers and user addresses in the Session Initiation Protocol (SIP). The combination of NAPTR records with Service Records (SRV) allows the chaining of multiple records to form complex rewrite rules which produce new domain labels or ...

  9. National databases of United States persons - Wikipedia

    en.wikipedia.org/wiki/National_databases_of...

    Vehicle location data [11] Vigilant Solutions: Digital Recognition Network: consumer profiling: containing at least 700 million scans: For sale: Vehicle location data [11] MVTrac: repossession "large majority" of registered vehicles [11] For sale: Vehicle location data [12] National Vehicle Location Service: over 800 million records [12 ...