Acronyms von A bis Z
Q.463
Empfehlung der "CCITT"/"ITU" von 1988: Signalling between the outgoing international R2 register and an incoming R2register in a national exchange in the destination country
Empfehlung der "CCITT"/"ITU" von 1988: Signalling between the outgoing international R2 register and an incoming R2register in a national exchange in the destination country