A Uniform Resource Name Namespace for the Global System for Mobile Communications Association (GSMA) and the International Mobile station Equipment Identity (IMEI)
RFC 7254

• Status
• IESG evaluation record
• IESG writeups
• Email expansions
• History

• Versions
• 09
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20

Internet Engineering Task Force (IETF)                M. Montemurro, Ed.
Request for Comments: 7254                                      A. Allen
Category: Informational                                       Blackberry
ISSN: 2070-1721                                              D. McDonald
                                                                  Eircom
                                                               P. Gosden
                                                         GSM Association
                                                                May 2014

                   A Uniform Resource Name Namespace
   for the Global System for Mobile Communications Association (GSMA)
     and the International Mobile station Equipment Identity (IMEI)

Abstract

   This specification defines a Uniform Resource Name (URN) namespace
   for the Global System for Mobile Communications Association (GSMA)
   and a Namespace Specific String (NSS) for the International Mobile
   station Equipment Identity (IMEI), as well as an associated parameter
   for the International Mobile station Equipment Identity and Software
   Version number (IMEISV).  The IMEI and IMEISV were introduced as part
   of the specification for the GSM and are also now incorporated by the
   3rd Generation Partnership Project (3GPP) as part of the 3GPP
   specification for GSM, Universal Mobile Telecommunications System
   (UMTS), and 3GPP Long Term Evolution (LTE) networks.  The IMEI and
   IMEISV are used to uniquely identify Mobile Equipment within these
   systems and are managed by the GSMA.  URNs from this namespace almost
   always contain personally identifiable information and need to be
   treated accordingly.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7254.

Montemurro, et al.            Informational                     [Page 1]
RFC 7254                  The GSMA and IMEI URN                 May 2014

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Montemurro, et al.            Informational                     [Page 2]
RFC 7254                  The GSMA and IMEI URN                 May 2014

Table of Contents

   1. Introduction ....................................................3
   2. Terminology .....................................................4
   3. Namespace Registration Template .................................4
   4. Specification ...................................................8
      4.1. IMEI Parameters ............................................8
      4.2. IMEI Format ................................................9
           4.2.1. Type Allocation Code (TAC) ..........................9
           4.2.2. Serial Number (SNR) .................................9
           4.2.3. Spare ..............................................10
           4.2.4. Binary Encoding ....................................10
      4.3. IMEISV Format .............................................10
           4.3.1. Type Allocation Code (TAC) .........................10