ITU-T RECOMMENDATION E.115 – COMPUTERIZED INFORMATION SERVICE FOR TELEPHONE SUBSCRIBER NUMBERS IN FOREIGN COUNTRIES (DIRECTOR
ASSISTANCE), RESERVED FOR OPERATORS
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
6 Charges
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