[Editorial Errata Reported] RFC6157 (2987)

The following errata report has been submitted for RFC6157,
"IPv6 Transition in the Session Initiation Protocol (SIP)".

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You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=6157&eid=2987

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Type: Editorial
Reported by: Olle E. Johansson <[email protected]>

Section: 3.1

Original Text
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Furthermore, there SHOULD
   exist both IPv6 and IPv4 DNS entries for outbound proxy servers.
   This allows the user agent to query DNS and obtain an IP address most
   appropriate for its use (i.e., an IPv4-only user agent will query DNS
   for A resource records (RRs), an IPv6-only user agent will query DNS
   for AAAA RRs, and a dual-stack user agent will query DNS for all RRs
   and choose a specific network.)

Corrected Text
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Furthermore, there SHOULD
   exist both IPv6 and IPv4 DNS entries for outbound proxy servers.
   This allows the user agent to query DNS and obtain an IP address most
   appropriate for its use (i.e., an IPv4-only user agent will query DNS
   for A resource records (RRs), an IPv6-only user agent will query DNS
   for AAAA RRs, and a dual-stack user agent will query DNS for all RRs
   and choose a specific network.) This is an update to RFC 3263, in which
the client on a dual stack network queries for either A or AAAA.

Notes
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The RFC actually updates RFC 3263 - locating SIP servers - but doesn't make a clear note about it.

Instructions:
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RFC6157 (draft-ietf-sipping-v6-transition-07)
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Title               : IPv6 Transition in the Session Initiation Protocol (SIP)
Publication Date    : April 2011
Author(s)           : G. Camarillo, K. El Malki, V. Gurbani
Category            : PROPOSED STANDARD
Source              : Session Initiation Proposal Investigation
Area                : Real-time Applications and Infrastructure
Stream              : IETF
Verifying Party     : IESG
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