Telecommunication arrangement
Telecommunication exchange
Telecommunication fault detecting system
Telecommunication network
Telecommunication network
Telecommunication network having ATM switching centers and STM s
Telecommunication network node
Telecommunication path substitution arrangement
Telecommunication switch with programmable communications servic
Telecommunication switching network having a multistage reversed
Telecommunication switching system
Telecommunication switching system
Telecommunication switching system and priority arrangement used
Telecommunication system
Telecommunication system and a main station and a substation for
Telecommunication system for alternatingly transmitting circuit-
Telecommunication system for transmitting data information by me
Telecommunication system protocol for asynchronous data communic
Telecommunication system with a multiplicity of modular units in
Telecommunication system with delay data buffer and method