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: D.250 |
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| D.250 : General charging and accounting principles for non-voice services provided by interworking between the ISDN and existing public data networks
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| In force components |
Number
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Title |
Status |
D.250 (07/91)
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General charging and accounting principles for non-voice services provided by interworking between the ISDN and existing public data networks
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In force
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| Superseded and Withdrawn components |
Number
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Title |
Status |
D.250 (11/88)
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General charging and accounting principles for non-voice services provided by interworking between the ISDN and existing public data networks
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Superseded
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