Acronyms von A bis Z
Q.952
Empfehlung der "CCITT"/"ITU" von 1993: Stage 3 service description for call offering supplementary services using DSS 1 -Diversion supplementary services
Empfehlung der "CCITT"/"ITU" von 1993: Stage 3 service description for call offering supplementary services using DSS 1 -Diversion supplementary services