Q.86


Q.86
Empfehlung der CCITT/ITU von 88-93: Stage 2 description for charging supplementary services Clause 1 (1988) Credit card call Clause 2 (1988) Advice of charge (AOC) Clause 3 (1993) Clause 3-Reverse Charging (REV)

Acronyms. 2013.


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