ChoiceInSeq DEFINITIONS ::= BEGIN CallCentreServiceNotificationArg ::= SEQUENCE { scriptInformation [0] ScriptToScriptInformation, eventInformation CHOICE { callEvent [1] CallEvent, billingReport [2] BillingInformation } OPTIONAL } ScriptToScriptInformation ::= INTEGER CallEvent ::= INTEGER BillingInformation ::= INTEGER EventInformation ::= CHOICE { callEvent [1] CallEvent, billingReport [2] BillingInformation } END