TY - BOOK AU - Khasnabish,Bhumip TI - Implementing voice over IP SN - 0471216666 AV - TK5105.8865 K427I PY - 2003/// CY - Hoboken, N.J. PB - Wiley-Interscience KW - INTERNET TELEPHONY N1 - Includes bibliographical references and index ER -