In this paper we provide an extensive analysis of voice service in wireless IP networks. Voice traffic is serviced with priority over the rest of the traffic. Hence, we concentrate on the voice traffic in the analysis. We model the packetized voice traffic with Markov Modulated Poisson Process (MMPP), and we propose an analytical framework for its analysis in wireless networks. Also, we created...

The voice quality in Internet Protocol (IP) telephony is significantly influenced by various factors, including delay, delay variation, bandwidth congestion and the distribution of packet loss. Hence, the performance of IP telephony systems is highly dependent on understanding the contribution of these factors to the voice quality. This paper deals about a method for classifying Voice over IP (...

Voice over IP (VoIP) typically uses the encapsulation voice/RTP/UDP/IP. When MPLS labels are added, this becomes voice/RTP/UDP/IP/MPLS-labels. For an MPLS VPN, the packet header is typically 48 bytes, while the voice payload is often no more than 30 bytes, for example. Header compression can significantly reduce the overhead through various compression mechanisms, such as enhanced compressed RT...