Re: [dispatch] I-D Action:draft-ietf-sip-outbound-18.txt

Just as note for folks, this is not actually a dispatch WG document.  
It is a SIP WG draft but due to fun an excitement with data-tracker  
tools, notifications about this draft and a few other SIP and SIPPING  
WG drafts will sometimes end up up in dispatch.

On May 26, 2009, at 5:00 PM, internet-drafts@ietf.org wrote:

> A New Internet-Draft is available from the on-line Internet-Drafts  
> directories.
> This draft is a work item of the Dispatch Working Group of the IETF.
>
>
> 	Title           : Managing Client Initiated Connections in the  
> Session Initiation Protocol (SIP)
> 	Author(s)       : C. Jennings
> 	Filename        : draft-ietf-sip-outbound-18.txt
> 	Pages           : 49
> 	Date            : 2009-05-26
>
> The Session Initiation Protocol (SIP) allows proxy servers to
> initiate TCP connections or to send asynchronous UDP datagrams to
> User Agents in order to deliver requests.  However, in a large number
> of real deployments, many practical considerations, such as the
> existence of firewalls and Network Address Translators (NATs) or the
> use of TLS with server-provided certificates, prevent servers from
> connecting to User Agents in this way.  This specification defines
> behaviors for User Agents, registrars and proxy servers that allow
> requests to be delivered on existing connections established by the
> User Agent.  It also defines keep alive behaviors needed to keep NAT
> bindings open and specifies the usage of multiple connections from
> the User Agent to its Registrar.
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-sip-outbound-18.txt
>
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
>
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> Internet-Draft.
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