Suk-ki Jang Hoon Kim Jong-Dae Park Sang-Sig Nam Kwang-Che Park Performance Analysis of Media Gateway for Voice Service. 28-39 2002 conf/icoin/2002-1 ICOIN (1) http://link.springer.de/link/service/series/0558/bibs/2343/23430028.htm db/conf/icoin/icoin2002-1.html#JangKPNP02