draft-ietf-sip-hop-limit-diagnostics-01.txt   draft-ietf-sip-hop-limit-diagnostics-02.txt 
SIP WG S. Lawrence SIP WG S. Lawrence
Internet-Draft Pingtel Corp. Internet-Draft Pingtel Corp.
Updates: 3261 (if approved) A. Hawrylyshen Updates: 3261 (if approved) A. Hawrylyshen
Expires: December 2, 2006 Ditech Communications Corp. Expires: December 4, 2006 Ditech Networks Inc.
R. Sparks R. Sparks
Estacado Systems Estacado Systems
May 31, 2006 June 02, 2006
Diagnostic Responses for SIP Hop Limit Errors Diagnostic Responses for SIP Hop Limit Errors
draft-ietf-sip-hop-limit-diagnostics-01 draft-ietf-sip-hop-limit-diagnostics-02
Status of this Memo Status of this Memo
By submitting this Internet-Draft, each author represents that any By submitting this Internet-Draft, each author represents that any
applicable patent or other IPR claims of which he or she is aware applicable patent or other IPR claims of which he or she is aware
have been or will be disclosed, and any of which he or she becomes have been or will be disclosed, and any of which he or she becomes
aware will be disclosed, in accordance with Section 6 of BCP 79. aware will be disclosed, in accordance with Section 6 of BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt. http://www.ietf.org/ietf/1id-abstracts.txt.
The list of Internet-Draft Shadow Directories can be accessed at The list of Internet-Draft Shadow Directories can be accessed at
http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on December 2, 2006. This Internet-Draft will expire on December 4, 2006.
Copyright Notice Copyright Notice
Copyright (C) The Internet Society (2006). Copyright (C) The Internet Society (2006).
Abstract Abstract
The SIP protocol imposes a limit on the number of hops a request may The SIP protocol imposes a limit on the number of hops a request may
make from a sender to the recipient. When this limit is reached, a make from a sender to the recipient. When this limit is reached, a
483 error response is returned. The present form of the 483 response 483 error response is returned. The present form of the 483 response
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Pingtel Corp. Pingtel Corp.
400 West Cummings Park 400 West Cummings Park
Suite 2200 Suite 2200
Woburn, MA 01801 Woburn, MA 01801
USA USA
Phone: +1 781 938 5306 Phone: +1 781 938 5306
Email: slawrence@pingtel.com Email: slawrence@pingtel.com
Alan Hawrylyshen Alan Hawrylyshen
Ditech Communications Corp. Ditech Networks Inc.
602 - 11 Ave SW 1167 Kensington Rd NW
Suite 310 Suite 200
Calgary, Alberta T2R 1J8 Calgary, Alberta T2N 1X7
Canada Canada
Phone: +1 403 561 7313 Phone: +1 403 806 3366
Email: ahawrylyshen@ditechcom.com Email: ahawrylyshen@ditechnetworks.com
Robert Sparks Robert Sparks
Estacado Systems Estacado Systems
17210 Campbell Road 17210 Campbell Road
Suite 250 Suite 250
Dallas, Texas 75254-4203 Dallas, Texas 75254-4203
USA USA
Email: RjS@nostrum.com Email: RjS@nostrum.com
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