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: D.251 (11/88) |
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| D.251�:�General charging and accounting principles for the basic telephone service provided over the ISDN or by interconnection between the ISDN and the public switched telephone network
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Recommendation D.251 (11/88)
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Approved in 1988-11-25
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Status : In force
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Access : Freely available items
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Available languages and formats :
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Format |
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Posted |
Article Number |
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| English |
 PDF (acrobat)
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49435 bytes |
1989-04-10 |
E�14801� |
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| Espa�ol |
PDF (acrobat)
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55253 bytes |
1989-04-10 |
S�14801� |
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| Fran�ais |
PDF (acrobat)
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62622 bytes |
1989-04-10 |
F�14801� |
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Word 