[rfc-dist] RFC 3880 on Call Processing Language (CPL): A Language for User Control of Internet Telephony Services

rfc-editor at rfc-editor.org rfc-editor at rfc-editor.org
Mon Nov 1 09:10:16 PST 2004

A new Request for Comments is now available in online RFC libraries.

        RFC 3880

        Title:      Call Processing Language (CPL):
                    A Language for User Control of Internet Telephony
        Author(s):  J. Lennox, X. Wu, H. Schulzrinne
        Status:     Standards Track
        Date:       October 2004
        Mailbox:    lennox at cs.columbia.edu, xiaotaow at cs.columbia.edu,
                    schulzrinne at cs.columbia.edu
        Pages:      74
        Characters: 154991
        Updates/Obsoletes/SeeAlso:    None

        I-D Tag:    draft-ietf-iptel-cpl-09.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3880.txt

This document defines the Call Processing Language (CPL), a language
to describe and control Internet telephony services.  It is designed
to be implementable on either network servers or user agents.  It is
meant to be simple, extensible, easily edited by graphical clients,
and independent of operating system or signalling protocol.  It is
suitable for running on a server where users may not be allowed to
execute arbitrary programs, as it has no variables, loops, or ability
to run external programs.

This document is a product of the IP Telephony Working Goup of the

This is now a Proposed Standard Protocol.

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 memo is unlimited.

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USC/Information Sciences Institute


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