01047nam a2200217Ia 4500 CTU_157771 210402s9999 xx 000 0 und d 54.85 004.69 C454 Chandra, Praphul Wi-Fi Telephony : Challenges and solutions for voice over WLANs Praphul Chandra and David Lide Amsterdam Elsevier/Newnes 2007 This book will be among the first to discuss Session Initiation Protocol (SIP), Quality of Service (QoS), and interoperability in connection with Wi-Fi telephony. Security challenges are also presented and solved along these malleable wireless boundaries. In short, this book provides all the information necessary for effective, reliable, crystal clear Wi-Fi telephony service and implementation. Internet telephony,Wireless LANs,Điện thoại Internet,Mạng không dây Trọng Hải Trung tâm Học liệu Trường Đại học Cần Thơ