ledningsnummer
Ledningsnummer is a term used in telecommunications to refer to a telephone number. It is the unique sequence of digits assigned to a subscriber line, allowing for the identification and routing of calls within a telephone network. Historically, ledningsnummer were associated with physical copper wire connections, hence the term "ledning" which translates to "line" or "conduit".
The structure and format of ledningsnummer vary by country and region due to different numbering plans established
With the advent of digital telecommunications and Voice over Internet Protocol (VoIP), the concept of a physical