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Sigma KEE - TelephoneSystem
KB Term: 
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
telephone system
A TelephoneSystem consists of a complete interconnection of Telephones, MainTelephoneLines, and other components that work together to make telephonic communication possible from point to point in a given area.
Relationships      
Parents communication system CommunicationSystem is a complex system with various components, enabling communication (in some medium) between points in a specific area, whether local or worldwide.


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