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  2. 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. Network operators replicate the CDB ...

  3. 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 ...

  4. Celcom - Wikipedia

    en.wikipedia.org/wiki/Celcom

    Celcom is the Malaysian partner of the Vodafone mobile community. Celcom's past CEO, Dato’ Seri Mohammed Shazalli Ramly, had been with Celcom since 2005. Ramly left on 31 August 2016 to become the CEO of Telekom Malaysia on 1 May 2017. [27] Michael Kuehner was appointed as the current CEO of Celcom with effective on 1 September 2016. [28]

  5. Voice over IP - Wikipedia

    en.wikipedia.org/wiki/Voice_over_IP

    Local number portability (LNP) and mobile number portability (MNP) also impact VoIP business. Number portability is a service that allows a subscriber to select a new telephone carrier without requiring a new number to be issued. Typically, it is the responsibility of the former carrier to "map" the old number to the undisclosed number assigned ...

  6. Least-cost routing - Wikipedia

    en.wikipedia.org/wiki/Least-cost_routing

    Mobile number portability (MNP) is a service that makes it possible for subscribers to keep their existing mobile phone number when changing the service provider (or mobile operator). With number portability now in place in many countries, LCR providers can no longer rely on using only a portion of the dialed telephone number to route a call ...

  7. Telephone numbers in Malaysia - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Malaysia

    0. Telephone numbers in Malaysia are regulated by the Malaysian Communications and Multimedia Commission (MCMC). Landline telephone numbers consist of an area code of 1 to 2 digits (excluding the leading zero), followed by a 6 to 8-digit subscriber number. Mobile phone numbers consist of a mobile phone code of 2 digits followed by a 7- to 8 ...

  8. Telephone numbers in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_the...

    The Philippines is assigned an international dialing code of +63 by ITU-T. Telephone numbers are fixed at eight digits for area code 02, and seven digits for area codes from 03X to 09X, with area codes fixed at one, two, or three digits (a six-digit system was used until the mid-1990s; four to five digits were used in the countryside). Mobile ...

  9. Porting Authorisation Code - Wikipedia

    en.wikipedia.org/wiki/Porting_Authorisation_Code

    Porting Authorisation Code. Porting Authorization Code (PAC) is a unique identifier (normally 9 characters long and in the format "ABC123456") used by some mobile network operators to facilitate mobile number portability (MNP). This allows users to retain their mobile telephone number when switching operators.