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X.139�:�Echo, drop, generator and test DTEs for measurement of performance values in public data networks when providing international packet-switched services �

Recommendation X.139

In force components
Number
 Title Status
X.139 (08/97)
� 		Echo, drop, generator and test DTEs for measurement of performance values in public data networks when providing international packet-switched services � In force
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�
Superseded and Withdrawn components
Number
 Title Status
X.139 (09/92)
� 		Echo, drop, generator and test DTEs for measurement of performance values in public data networks when providing international packet-switched services � Superseded

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