1. , . Assessment of VoIP quality over internet backbones. Proceedings of IEEE Infocom, New York, NY, U.S.A., 2002.
2. , . Provisioning IP backbone networks to support latency sensitive traffic. Proceedings of IEEE Infocom, San Francisco, CA, U.S.A., 2003.
3. ITU-T P. 800. Methods for subjective determination of transmission quality, 1996.
4. ITU-T P. 862. Perceptual evaluation of speech quality (PESQ), an objective method for end-to-end speech quality assessment of narrowband telephone networks and speech codecs, 2001.
5. ITU-T G. 807. The E-model, a computational model for use in transmission planning, 2000.