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        RFC 2833

        Title:      RTP Payload for DTMF Digits, Telephony Tones and
                    Telephony Signals
        Author(s):  H. Schulzrinne, S. Petrack
        Status:     Standards Track
        Date:       May 2000
        Mailbox:    schulzrinne@cs.columbia.edu,
                    scott.petrack@metatel.com 
        Pages:      30
        Characters: 68786
        Updates/Obsoletes/SeeAlso:  None

        URL:        ftp://ftp.isi.edu/in-notes/rfc2833.txt


This memo describes how to carry dual-tone multifrequency (DTMF)
signaling, other tone signals and telephony events in RTP packets.

This document is a product of the Audio/Video Transport Working Group
of the IETF.

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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