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TS 04.93 (CT4)
Completion of Calls to Busy Subscriber (CCBS) – Stage 3

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(P) GSM Rel-98 v7.0.0    1999/06    23 p.
(P) GSM Rel-97 v6.1.1    1999/02    23 p.


Rapporteur:  WIEHE, Ulrich
Descendant(s):  TS 24.093    
See also:  CCBS-related TS/TR    


This TS gives the stage 3 description of the Completion of Calls to Busy Subscriber (CCBS) supplementary service. This TS specifies the procedures used at the radio interface (Reference point Um as defined in TS 04.02) for normal operation, activation, deactivation, invocation and interrogation of the completion of calls to busy subscriber supplementary services. Provision and withdrawal of supplementary services is an administrative matter between the mobile subscriber and the service provider and cause no signalling on the radio interface.

The following supplementary services belong to the call completion supplementary services and are described in this TS:
  • Completion of Calls to Busy Subscriber (CCBS)


 

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