RFC 4759 on The ENUM Dip Indicator Parameter for the "tel" URI

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        RFC 4759

        Title:      The ENUM Dip Indicator Parameter 
                    for the "tel" URI 
        Author:     R. Stastny, R. Shockey,
                    L. Conroy
        Status:     Standards Track
        Date:       December 2006
        Mailbox:    Richard.stastnyoefeg.at, 
                    richard.shockeyneustar.biz, 
                    lconroyinsensate.co.uk
        Pages:      8
        Characters: 15062
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-iptel-tel-enumdi-05.txt

        URL:        http://www.
rfc-editor.org/rfc/rfc4759.txt

This document defines a new parameter "enumdi" for
the "tel" Uniform
Resource Identifier (URI) to support the handling of ENUM
queries in
Voice over Internet Protocol (VoIP) network elements.  A
VoIP network
element may receive a URI containing an E.164 number, where
that URI
contains an "enumdi" parameter.  The presence of
the "enumdi"
parameter indicates that an ENUM query has already been
performed on
the E.164 number by a previous VoIP network element. 
Equally, if a
VoIP network element sends such a URI, it asserts that an
ENUM query
has been carried out on this number.  [STANDARDS TRACK]

This document is a product of the IP Telephony
Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: 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
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