CSTA-switching-function-objects { iso( 1) identified-organization( 3) icd-ecma( 12) standard( 0) csta3( 285) switching-function-objects( 122) } DEFINITIONS ::= BEGIN EXPORTS CSTAObject; IMPORTS DeviceID FROM CSTA-device-identifiers { iso( 1) identified-organization( 3) icd-ecma( 12) standard( 0) csta3( 285) device-identifiers( 123) } ConnectionID FROM CSTA-call-connection-identifiers { iso( 1) identified-organization( 3) icd-ecma( 12) standard( 0) csta3( 285) call-connection-identifiers( 124) }; CSTAObject ::= CHOICE { deviceObject DeviceID, callObject ConnectionID } END -- of CSTA-switching-function-objects