Transmitting voice communication over untrusted networks puts personal information at risk. Although voice streams are typically encrypted to prevent unwanted eavesdropping, additi...
Recently, Voice over IP (VoIP) has become an important service for the future internet. However, for ubiquitous wireless VoIP services, greater coverage will be necessary as promi...
Marcel C. Castro, Peter Dely, Jonas Karlsson, Andr...
IP Telephony based on Peer-to-Peer (P2P) technology has being gaining attentions for its innovative approach to providing VoIP service. At the same time, it has raised many new re...
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 ...