Acronyms von A bis Z
Q.665
Empfehlung der "CCITT"/"ITU" von 1988: Logic procedures for interworking of signalling system No. 7 (TUP) to R1
Empfehlung der "CCITT"/"ITU" von 1988: Logic procedures for interworking of signalling system No. 7 (TUP) to R1