Yair Amir Claudiu Danilov Stuart Goose David Hedqvist Andreas Terzis 1-800-OVERLAYS: using overlay networks to improve VoIP quality. 51-56 2005 conf/nossdav/2005 NOSSDAV http://doi.acm.org/10.1145/1065983.1065997 db/conf/nossdav/nossdav2005.html#AmirDGHT05