IJ 1
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(101).
(102).
(103).
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) - ISDN 2 + Di6 (Basic Rate Access).
) - ISDN 30 + D64 (Primary Rate Access).
) - ATC:
' (Abbreviated Address Services).
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(Call Charging Services).
(Call Completion Services).
(Call Diversion Services).
(Call Booking Services).
(Call Registration Services).
(Number Identification Services).
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