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).
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).
