[rfc-dist] BCP 85, RFC 3725 on Best Current Practices for Third Party Call Control (3pcc) in the Session Initiation Protocol (SIP)

rfc-editor at rfc-editor.org rfc-editor at rfc-editor.org
Tue Apr 13 16:18:16 PDT 2004


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        BCP 85
        RFC 3725

        Title:      Best Current Practices for Third Party Call
                    Control (3pcc) in the Session Initiation Protocol
                    (SIP)
        Author(s):  J. Rosenberg, J. Peterson, H. Schulzrinne,
                    G. Camarillo
        Status:     Best Current Practice
        Date:       April 2004
        Mailbox:    jdrosen at dynamicsoft.com, jon.peterson at neustar.biz,
                    schulzrinne at cs.columbia.edu
        Pages:      31
        Characters: 77308
        SeeAlso:    BCP 85

        I-D Tag:    draft-ietf-sipping-3pcc-06.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3725.txt


Third party call control refers to the ability of one entity to
create a call in which communication is actually between other
parties.  Third party call control is possible using the mechanisms
specified within the Session Initiation Protocol (SIP).  However,
there are several possible approaches, each with different benefits
and drawbacks.  This document discusses best current practices for the
usage of SIP for third party call control.

This document is a product of the Session Initiation Proposal
Investigation Working Group of the IETF.

This document specifies an Internet Best Current Practices for the
Internet Community, and requests discussion and suggestions for
improvements.  Distribution of this memo is unlimited.

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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute

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