Understanding SIP servlets 1.1 / Chris Boulton, Kristoffer Gronowski. Boulton, Chris (Christopher James) Gronowski, Kristoffer. Session Initiation Protocol (Computer network protocol) Computer network protocols. Internetworking (Telecommunication) TK5105.55 .B68 2009eb 004.62 BOU Includes bibliographical references and index. Boston : Artech House, c2009. c2009. 2009 Text xvi, 295 p. : eng Artech House telecommunications series Artech House telecommunications library.