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Перенаправление звонка по занятости / неответу stresses
telecom.	Call forwarding on busy/don't answer (CFC; This service feature allows the called user to forward particular calls if the called user is busy or does not answer within a specified number of rings.)
перенаправление звонка по занятости/неответу
telecom.	CFC (Call forwarding on busy/don’t answer; This service feature allows the called user to forward particular calls if the called user is busy or does not answer within a specified number of rings. ALAB)