question: does the `` esm_class '' value have the `` user data header present '' bit set ? concode_field_sep PlaceHolder placeHolder concode_field_sep boolean isSmscDeliveryReceiptOnFailureRequested concode_elem_sep boolean isMessageTypeEsmeDeliveryReceipt concode_elem_sep boolean isMessageTypeIntermediateDeliveryReceipt concode_elem_sep boolean isReplyPathEnabled concode_elem_sep boolean isIntermediateReceiptRequested concode_elem_sep boolean isMessageTypeAnyDeliveryReceipt concode_elem_sep boolean isSmscDeliveryReceiptRequested concode_elem_sep String toInterfaceVersionString concode_elem_sep boolean isMessageTypeManualUserAcknowledgement concode_elem_sep boolean isMessageTypeSmscDeliveryReceipt
target: boolean function ( byte arg0 ) { return ( ( arg0 & SmppConstants . ESM_CLASS_UDHI_MASK ) == SmppConstants . ESM_CLASS_UDHI_MASK ) ; }