Wi-Fi Telephony Challenges and Solutions for Voice over WLANs

eagle_tek

Wi-Fi telephony is the latest, most cost effective, and clearest way of carrying voice data wirelessly. The great news is that it can be integrated seamlessly into the same infrastructures as currently used for computer and telephone data.The digital quality is far above current cellular technologies.

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.


[ 本帖最后由 eagle_tek 于 2009-1-11 11:58 编辑 ]

cdef829

████████████████████████████████████████████

免税正品香烟，支持货到付款，中华香烟（软）三字头(329、330)220元/条，硬中华210元/条，黄鹤楼 1916－230元/条，苏烟140元/条,大熊猫270元/条，联系ＱＱ815048，电话13901780488            支持支付宝货到付款
产品质量：上海中华原厂烟丝，(以质量夺市场)机器包装有拉纹＜有访伪<烟丝金黄光泽油润<口味纯正< 无刺激味<入喉醇和<品吸时顺畅饱满<烟灰白且收缩性好，而且能给香烟打当地烟草专卖码: 每条烟的重量 293克--295克之间,都达到真中华烟标准,拿到任何的烟草技术部……高仿真达98％.http://www.815048.com.cn/

████████████████████████████████████████████

michael5x

good thing