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I.253.2 : Call completion supplementary services : Call Hold

Recommendation I.253.2

In force components
Number
Title Status
I.253.2 (08/92)
 
Call completion supplementary services : Call Hold   In force
 
 
Superseded and Withdrawn components
Number
Title Status
I.253.2 (11/88)
 
Call completion supplementary services : Call Hold (HOLD)   Superseded

 

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Updated : 2011.03.14