This TS defines the stage one description of the Support of Mobile Number Portability between GSM networks in the same country as well as PCS-1900 cross-sector portability (i.e., number portability between fixed and PCS-1900 mobile networks). Stage one is an overall service description, primarily from the service subscriber's and user's points of view, but does not deal with the details of the human interface itself.
This TS is in response to a study mandate agreed between the European Commission and ETSI under order voucher ESTI/97/M-251 and the mandate by the US Federal Communications Commission for Service Provider Portability in North America.
Mobile Number Portability (MNP) is applicable only to those telecommunication services identified by an MSISDN.
This TS includes information applicable to network operators, service providers and terminal, switch and database manufacturers. It contains the core requirements for the Support of Mobile Number Portability between GSM network operators in the same country as well as PCS-1900 cross-sector portability which are sufficient to provide a complete service.