TY - BOOK TI - IP telephony self-study: Cisco DQOS exam certification guide AU - Odom, Wendell. AU - Cavanaugh, Michael J. SN - 1587200589 PB - Cisco Press PP - Indianapolis, Ind. : Cisco Press , c2004. PY - 2004 UR - https://library.korea.ac.kr/detail/?cid=CAT000045148261&ctype=m