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E.140�:�Operator-assisted telephone service �

Recommendation E.140

In force components
Number
 Title Status
E.140 (08/92)
� 		Operator-assisted telephone service � In force
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�
Superseded and Withdrawn components
Number
 Title Status
E.140 (11/88)
� 		Principles for the operation of international telephone services �
Amended by Addendum to circular CCITT No. 23 dated 25 April 1990, amendments to be applied as of 1st July 1990 		Superseded

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