155 search results - page 3 / 31 » Denial of Service Issues in Voice Over IP Networks |
JCIT
2008
13 years 7 months ago
2008
Transmitting voice through IP data network can provide significant cost savings. However if not managed properly, voice quality can degrade due to data network congestion. Voice o...
ICN
2001
Springer
13 years 11 months ago
2001
Springer
The current VoIP transfer methods using low bit rate codes such as G.723.1 and G.729 are still very inefficient due to its small payload size in comparison with its large overhead ...
JSW
2007
13 years 7 months ago
2007
—Voice over IP (VoIP) has had a strong effect on global communications by allowing human voice and fax information to travel over existing packet data networks along with traditi...
COMCOM
2006
13 years 7 months ago
2006
Deploying IP telephony or voice over IP (VoIP) is a major and challenging task for data network researchers and designers. This paper outlines guidelines and a step-by-step method...
IEICET
2006
13 years 7 months ago
2006
In this paper, we evaluate the capacity of voice over internet protocol (VoIP) services over high-speed downlink packet access (HSDPA), in which frame-bundling (FB) is incorporated...