CONTENTS

 

1��� �Scope�
�2��� �Normative references�������
������ �2.1��� �ITU-T Recommendations��
������ �2.2��� �ISO/IEC Standards�����������
������ �2.3��� �Other references����
3��� �Definitions��
4��� �Abbreviations���
5��� �Conventions�����
6��� �Basic concepts and models����������
������ �6.1��� �Functional model���
������ �6.2��� �Service models������
7��� �Principles for the organization of an interconnected computerized international information service��� �
8��� �Service specification��������
������ �8.1��� �Inquiry information�
������ �8.2��� �Reply information���
������ �8.3��� �Conversion
������ �8.4��� �Version 2 extensibility��������
������ �8.5��� �Functionality����������
9��� �Common protocol specification elements��
������ �9.1��� �Character subsets and encoding�����
������ �9.2��� �Filter concept��������
������ �9.3��� �Matching and matching rules����������
������ �9.4��� �Paging����
������ �9.5��� �Hierarchical groups
������ �9.6��� �The keyword concept of version 1�
10��� �Version 1 of the Directory Assistance protocol specification��������
����� �10.1��� �Overview�
����� �10.2��� �Inquiry format�������
����� �10.3��� �Reply format���������
11��� �Version 2 of the Directory Assistance protocol specification��������
����� �11.1��� �Overview�
����� �11.2��� �Inquiry format�������
����� �11.3��� �Reply format���������
12��� �Fixed Header Protocol (FHP)�����
����� �12.1��� �Introduction����������
����� �12.2��� �Security context����
����� �12.3��� �Negotiation result��
����� �12.4��� �Data transfer phase�����������
����� �12.5��� �Exception conditions���������
����� �12.6��� �Format of FHP protocol elements�
����� �12.7��� �Fields common for all message types���������
����� �12.8��� �Specific fields�������
����� �12.9��� �Use of the service provided by TCP����������
13��� �Use of the service provided by the HTTP
����� �13.1��� �Introduction����������
����� �13.2��� �Support levels�������
����� �13.3��� �Requested service and protocol version selection���
����� �13.4��� �Exception conditions���������
14��� �Operator's manual����������
Annex A � Directory Assistance keywords of Directory Assistance protocol version 1��� �
������ �A.1��� �Functional keywords table�
������ �A.2��� �Descriptive keywords table�����������
Annex B � Directory Assistance protocol version 1 in ASN.1��� �
Annex C � Directory Assistance protocol version 2 in ASN.1��� �
Annex D � Directory assistance protocol version 2 in XSD��� �
Annex E � Message codes for Recommendation E.115��� �
Appendix I � NACE nomenclature��� �
������ �I.1��� ��� About NACE������
������ �I.2��� ��� NACE structure���
������ �I.3��� ��� NACE at work����
������ �I.4��� ��� Extract from NACE���������
Appendix II � Examples of BER encodings��� �
����� �II.1��� �Introduction�����������
����� �II.2��� �Example of ASN.1 BER encoding of the DA protocol version 1�����
Appendix III � ISO/IEC 10646, UTF8-encoding and relationship with ISO/IEC 8859-x��� �
���� �III.1��� �Introduction�����������
���� �III.2��� �UCS Transformation Format 8 (UTF-8)�����
���� �III.3��� �BASIC LATIN and LATIN-1 SUPPLEMENT subsets�����
���� �III.4��� �LATIN EXTENDED-A subset and relationship to ISO/IEC 8859-2/3/4����
���� �III.5��� �CYRILLIC subset and relationship to ISO/IEC 8859-5�����
���� �III.6��� �BASIC GREEK subset and relationship to ISO/IEC 8859-7��� �