In this complex and evolving scenario, VoIP traffic monitoring tools are very few, often integrated into packet sniffers such as ethereal [ethereal] [hollis] and used for finding issues (e.g. severe packet loss or incompatible codecs) in specific situations, rather than for permanently monitoring VoIP and non-VoIP traffic. Other tools such as Vomit [vomit] or RTP-tools [...]
VoIP
TRANSPARENT WATERMARKING OF VOIP FLOWS IN REAL TIME
11/08/2009
In order to be able to watermark any VoIP flows transparently, it is desirable to have a VoIP gateway which forwards the VoIP flows and watermarks any specified bypassing VoIP flows with specified watermarks. To embed the watermark into the inter-packet timing of a VoIP flow, we need a capability to delay specified packet of [...]
Something about VoIP
06/08/2009
Although voice over IP (VoIP) has existed for several years, it has only recently begun to take off as a viable alternative to traditional voice systems and public switched telephone networks (PSTN). Interest in VoIP has grown in part because the technology can help both service providers and enterprises to reduce costs by using a [...]