SSUTR2
From Wikipedia the free encyclopedia
French SSUTR2 (Système de signalisation par canal sémaphore CCITT no.7) is the French national variant of the Telephone User Part (TUP).
References[edit]
From Wikipedia the free encyclopedia
French SSUTR2 (Système de signalisation par canal sémaphore CCITT no.7) is the French national variant of the Telephone User Part (TUP).