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: E.502 |
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| E.502�:�Traffic measurement requirements for digital telecommunication exchanges
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| In force components |
Number
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Title |
Status |
E.502 (02/01)
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Traffic measurement requirements for digital telecommunication exchanges
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In force
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| Superseded and Withdrawn components |
Number
|
Title |
Status |
E.502 (11/88)
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Traffic measurement requirements for SPC (especially digital) telecommunication exchanges
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Superseded
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E.502 (06/92)
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Traffic measurement requirements for digital telecommunication exchanges
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Superseded
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