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E.721 : Network grade of service parameters and target values for circuit-switched services in the evolving ISDN

Recommendation E.721 (08/91)

Approved in 1991-08

Status : Superseded


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English

PDF Document PDF (acrobat)

57049 bytes N/A E 2337 
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68094 bytes N/A S 2359 
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69580 bytes N/A F 2315 


 

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Updated : 2001/09/10