SIP Telephony Device Requirements and Configuration
RFC 4504

 
Document Type RFC - Informational (May 2006; No errata)
Was draft-sinnreich-sipdev-req (individual in tsv area)
Last updated 2013-03-02
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IESG IESG state RFC 4504 (Informational)
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Responsible AD Jon Peterson
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Network Working Group                                  H. Sinnreich, Ed.
Request for Comments: 4504                                    pulver.com
Category: Informational                                          S. Lass
                                                                 Verizon
                                                            C. Stredicke
                                                                    snom
                                                                May 2006

          SIP Telephony Device Requirements and Configuration

Status of This Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2006).

Abstract

   This document describes the requirements for SIP telephony devices,
   based on the deployment experience of large numbers of SIP phones and
   PC clients using different implementations in various networks.  The
   objectives of the requirements are a well-defined set of
   interoperability and multi-vendor-supported core features, so as to
   enable similar ease of purchase, installation, and operation as found
   for PCs, PDAs, analog feature phones or mobile phones.

   We present a glossary of the most common settings and some of the
   more widely used values for some settings.

Table of Contents

   1. Introduction ....................................................3
      1.1. Conventions used in this document ..........................4
   2. Generic Requirements ............................................4
      2.1. SIP Telephony Devices ......................................4
      2.2. DNS and ENUM Support .......................................5
      2.3. SIP Device Resident Telephony Features .....................5
      2.4. Support for SIP Services ...................................8
      2.5. Basic Telephony and Presence Information Support ...........9
      2.6. Emergency and Resource Priority Support ....................9
      2.7. Multi-Line Requirements ...................................10
      2.8. User Mobility .............................................11
      2.9. Interactive Text Support ..................................11

Sinnreich, et al.            Informational                      [Page 1]
RFC 4504           SIP Telephony Device Requirements            May 2006

      2.10. Other Related Protocols ..................................12
      2.11. SIP Device Security Requirements .........................13
      2.12. Quality of Service .......................................13
      2.13. Media Requirements .......................................14
      2.14. Voice Codecs .............................................14
      2.15. Telephony Sound Requirements .............................15
      2.16. International Requirements ...............................15
      2.17. Support for Related Applications .........................16
      2.18. Web-Based Feature Management .............................16
      2.19. Firewall and NAT Traversal ...............................16
      2.20. Device Interfaces ........................................17
   3. Glossary and Usage for the Configuration Settings ..............18
      3.1. Device ID .................................................18
      3.2. Signaling Port ............................................19
      3.3. RTP Port Range ............................................19
      3.4. Quality of Service ........................................19
      3.5. Default Call Handling .....................................19
           3.5.1. Outbound Proxy .....................................19
           3.5.2. Default Outbound Proxy .............................20
           3.5.3. SIP Session Timer ..................................20
      3.6. Telephone Dialing Functions ...............................20
           3.6.1. Phone Number Representations .......................20
           3.6.2. Digit Maps and/or the Dial/OK Key ..................20
           3.6.3. Default Digit Map ..................................21
      3.7. SIP Timer Settings ........................................21
      3.8. Audio Codecs ..............................................21
      3.9. DTMF Method ...............................................22
      3.10. Local and Regional Parameters ............................22
      3.11. Time Server ..............................................22
      3.12. Language .................................................23
      3.13. Inbound Authentication ...................................23
      3.14. Voice Message Settings ...................................23
      3.15. Phonebook and Call History ...............................24
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