GR 573 CORE : ISSUE 1
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The latest, up-to-date edition.
This document is a module of LSSGR, FR-64. Business Group Call Waiting (BGCW) notifies a busy user (under specific circumstances) of an additional call and provides a procedure that allows acceptance and handling of the call. This document defines the generic requirements for four Business Group Call features: Call Waiting Terminating (CWT); Call Waiting Incoming Only (CWIO); Call Waiting Originating (CWO); and Dial Call Waiting (DCW).
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