TY - BOOK AU - Bellamy,John TI - Digital telephony SN - 0471345717 (acidfree paper) U1 - 621.385 21 PY - 2000/// CY - New York PB - Wiley KW - Digital telephone systems N1 - "A Wiley-Interscience publication."; Includes bibliographical references and index UR - http://www.loc.gov/catdir/description/wiley0310/99034015.html UR - http://www.loc.gov/catdir/toc/onix01/99034015.html ER -