Rec. ITU-T E.115 (03/1993) … COMPUTERIZED INFORMATION SERVICE FOR TELEPHONE SUBSCRIBER NUMBERS IN FOREIGN COUNTRIES ...
FOREWORD
CONTENTS
1 Preamble
2 Methods of obtaining information
3 General principles applicable to the various methods of obtaining information
4 Principles for the organization of an interconnected computerized international information service
5 Description of the standards used for inquiry and response
    5.1 Input information
    5.2 Output information
    5.3 Alphabet to be used
    5.4 Description of standardized inquiry and response messages
6 Charges
7 Operator manual
Annex A … Directory services interconnect bearer services
A.1 Introduction
A.2 Identification
A.3 Network interconnection
Annex B … Formal definitions of directory messages
References