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  2. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    Mobile number portability is implemented in varying ways across the globe. The International and European standard specifies that a customer wishing to port their number contact the new network (recipient), which then sends the number portability request (NPR) to the current network (donor).

  3. Caller ID - Wikipedia

    en.wikipedia.org/wiki/Caller_ID

    The large number of phone numbers dilute the number of complaints against the company and phone number. Notes. The inverse feature, giving the number originally dialed, is known as direct inward dialing, direct dialing inward, or Dialed Number Identification Service. This tells the PBX where to route an incoming call, when there are more ...

  4. Automatic number announcement circuit - Wikipedia

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

    ANAC announces the caller's own number; the reverse lookup gives the directory name for a listed telephone number input by the user. 555-1313 is one of the rare uses of the 555 exchange for other than the standard 555-1212 directory information line. United Kingdom. 17070, Openreach Linetest Facilities

  5. International Mobile Equipment Identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    The International Mobile Equipment Identity (IMEI) is a number, usually unique, to identify 3GPP and iDEN mobile phones, as well as some satellite phones.It is usually found printed inside the battery compartment of the phone, but can also be displayed on-screen on most phones by entering *#06# MMI Supplementary Service code on the dialpad, or alongside other system information in the settings ...

  6. International mobile subscriber identity - Wikipedia

    en.wikipedia.org/wiki/International_Mobile...

    For GSM, UMTS and LTE networks, this number was provisioned in the SIM card and for cdmaOne and CDMA2000 networks, in the phone directly or in the R-UIM card (the CDMA equivalent of the SIM card). Both cards have been superseded by the UICC. An IMSI is usually presented as a 15-digit number but can be shorter.

  7. Microsoft DNS - Wikipedia

    en.wikipedia.org/wiki/Microsoft_DNS

    DNS lookup client. Applications perform DNS lookups with the aid of a DLL. They call library functions in the DLL, which in turn handle all communications with DNS servers (over UDP or TCP) and return the final results of the lookup back to the applications.

  8. Incorporation (business) - Wikipedia

    en.wikipedia.org/wiki/Incorporation_(business)

    There are a number of legal benefits that come with incorporation. One significant legal benefit is the protection of personal assets against the claims of creditors and lawsuits. Sole proprietors and general partners in a partnership are personally and jointly responsible for all the legal liability (LL) of a business such as loans, accounts ...

  9. Hash table - Wikipedia

    en.wikipedia.org/wiki/Hash_table

    In computing, a hash table (hash map) is a data structure that implements an associative array abstract data type, a structure that can map keys to values.A hash table uses a hash function to compute an index, also called a hash code, into an array of buckets or slots, from which the desired value can be found.