RFC 1202 (rfc1202) - Page 1 of 11

Directory Assistance service

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Network Working Group                                            M. Rose
Request for Comments: 1202       Performance Systems International, Inc.
                                                           February 1991


                      Directory Assistance Service

Status of this Memo

   This document defines a mechanism by which a user-interface may
   access a textual DAP-like interface over a TCP/IP connection.  This
   is a local mechanism.  This memo provides information for the
   Internet community.  It does not specify any standard.  Distribution
   of this memo is unlimited.

Table of Contents

   1. Introduction ..........................................   1
   1.1 An Aside ............................................    3
   2. Protocol ..............................................   3
   2.1 Control Connection ..................................    4
   2.1.1 Initialization ....................................    4
   2.1.2 Transactions ......................................    4
   2.1.2.1 INTR command ....................................    4
   2.1.2.2 STAT command ....................................    5
   2.1.2.3 QUIT command ....................................    5
   2.2 Data Connection .....................................    5
   2.2.1 Transactions ......................................    5
   2.2.2 Responses .........................................    6
   2.2.2.1 Numeric Responses ...............................    6
   2.2.2.2 'm' Response ....................................    6
   2.2.2.3 'y' Response ....................................    6
   2.2.2.4 'p' Response ....................................    7
   2.2.2.5 'e' Response ....................................    7
   2.2.2.6 'l' Response ....................................    7
   2.2.2.7 'd' Response ....................................    8
   2.2.2.8 'P' Response ....................................    8
   3. Example Interaction ...................................   9
   4. References ............................................  10
   5. Security Considerations...............................   11
   6. Author's Address......................................   11

1.  Introduction

   The OSI Directory [1] provides a powerful infrastructure for the
   retrieval of information objects.  This infrastructure can be used to
   support, e.g., white pages applications, application entity lookup,
   and so on.



Rose
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