@article{weko_9236_1,
   author	 = "ChoIlKwon and Koji,Okamura",
   title	 = "Analysis and Study of IP Telephony Traffic Characteristics over Next Generation Network with NGN Carrier's Case Study",
   journal	 = "情報処理学会論文誌",
   year 	 = "2009",
   volume	 = "50",
   number	 = "3",
   pages	 = "950--962",
   month	 = "mar"
}