RFC 3192 (rfc3192) - Page 1 of 11

Minimal FAX address format in Internet Mail

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Network Working Group                                       C. Allocchio
Request for Comments: 3192                                    GARR-Italy
Obsoletes: 2304                                             October 2001
Updates: 2846
Category: Standards Track


              Minimal FAX address format in Internet Mail

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2001).  All Rights Reserved.

Abstract

   This memo describes a simple method of encoding Global Switched
   Telephone Network (GSTN) addresses of facsimile devices in the
   local-part of Internet email addresses.

1. Introduction

   As with all Internet mail addresses, the left-hand-side (local-part)
   of an address generated according to this specification, is not to be
   interpreted except by the MTA that is named on the right-hand-side
   (domain).

   Since the very first e-mail to fax gateway objects appeared, a number
   of different methods to specify a fax address as an e-mail address
   have been used by implementors.  Several objectives for this methods
   have been identified, like to enable an e-mail user to send and
   receive faxes from his/her e-mail interface, to allow some kind of
   "fax over e-mail service" transport (possibly reducing the costs of
   GSTN long distance transmissions) while using the existing e-mail
   infrastructure.

   This memo describes the MINIMAL addressing method and standard
   extensions to encode FAX addresses into e-mail addresses, as required
   in reference [13].  The opposite problem, i.e., to allow a
   traditional numeric-only fax device user to access the e-mail
   transport service, is not discussed here.



Allocchio                   Standards Track
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