A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Secure Media Recording and Transcoding with the Session Initiation Protocol
Author(s) : D. Wing, et al.
Filename : draft-wing-sipping-srtp-key-03.txt
Pages : 25
Date : 2008-02-24
Call recording is an important feature in enterprise telephony
applications. Some industries such as financial traders have
requirements to record all calls in which customers give trading
orders. This poses a particular problem for Secure RTP systems as
many SRTP key exchange mechanisms do not disclose the SRTP session
keys to intermediate SIP proxies. As a result, these key exchange
mechanisms cannot be used in environments where call recording is
needed.
This document specifies a secure mechanism for a cooperating endpoint
to disclose its SRTP master keys to an authorized party to allow
secure call recording.
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