Locating IP-to-Public Switched Telephone Network (PSTN) Telephony Gateways via SLP

Document Type Expired Internet-Draft (individual in int area)
Authors Weibin Zhao  , Henning Schulzrinne 
Last updated 2015-10-14 (latest revision 2004-02-16)
Stream Internet Engineering Task Force (IETF)
Intended RFC status Informational
Expired & archived
pdf htmlized bibtex
Stream WG state (None)
Document shepherd No shepherd assigned
IESG IESG state Expired (IESG: Dead)
Action Holders
Consensus Boilerplate Unknown
Telechat date
Responsible AD Thomas Narten
IESG note On hold, pending coordination with the iptel WG. They have requested that this document not be advanced at this time.
Send notices to (None)

This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes how to use the Service Location Protocol (SLP) to locate Internet telephony gateways. It defines the 'service:iptel-gw:' template for the Internet telephony gateway service, and discusses the different usage scenarios and the applicability of SLP for the Internet telephony gateway location.


Weibin Zhao (zwb@cs.columbia.edu)
Henning Schulzrinne (hgs+geopriv@cs.columbia.edu)

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)