RFC 5638 on Simple SIP Usage Scenario for Applications in the Endpoints

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        RFC 5638

        Title:      Simple SIP Usage Scenario for 
                    Applications in the Endpoints 
        Author:     H. Sinnreich, Ed.,
                    A. Johnston, E. Shim,
                    K. Singh
        Status:     Informational
        Date:       September 2009
        Mailbox:    henrys@adobe.com, 
                    alan@sipstation.com, 
                    eunsooshim@gmail.com,
                    kns10@cs.columbia.edu
        Pages:      19
        Characters: 45946
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-sinnreich-sip-tools-07.txt

        URL:        http://www.rfc-editor.org/rfc/rfc5638.txt

For Internet-centric usage, the number of SIP-required standards for
presence and IM and audio/video communications can be drastically
smaller than what has been published by using only the rendezvous
and session-initiation capabilities of SIP.  The simplification is
achieved by avoiding the emulation of telephony and its model of
the intelligent network.  'Simple SIP' relies on powerful computing endpoints.  Simple SIP desktop applications can be combined with rich Internet applications (RIAs).  Significant telephony features may also be implemented in the endpoints.

This approach for SIP reduces the number of SIP standards with which
to comply -- from roughly 100 currently, and still growing, to about 11.

References for NAT traversal and for security are also provided.  This memo provides information for the Internet community.

INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
this memo is unlimited.

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