Portability is the ability to transfer software or device technology equipment to systems from other manufacturers. In the case of open systems in accordance with international standards, portability of operating systems and components is independent of manufacturer.
- The term portability is also used in connection with telephone numbers and services. One speaks of number port ability or service portability if one changes the network operator and can keep one's telephone number. This portability was prescribed by the RegTP for fixed network numbers as well as for mobile network numbers.
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