Acronyms von A bis Z
Q.662
Empfehlung der "CCITT"/"ITU" von 1988: Logic procedures for interworking of signalling system No. 7 (TUP) to No. 5
Empfehlung der "CCITT"/"ITU" von 1988: Logic procedures for interworking of signalling system No. 7 (TUP) to No. 5