TY - BOOK AU - Sinnreich,Henry AU - Johnston,Alan B. TI - Internet communications using SIP: delivering VoIP and multimedia services with Session Initiation Protocol SN - 0471776572 AV - TK5105.55 S566I 2006 PY - 2006/// CY - Indianapolis, Ind. PB - Wiley KW - COMPUTER NETWORK PROTOCOLS KW - INTERNET TELEPHONY KW - MULTIMEDIA SYSTEMS N1 - Includes bibliographical references and index ER -