Thu, 12 Apr 2007 09:49:00 GMThttp://blog.csdn.net/linuxcumt/http://blog.csdn.net/linuxcumt/archive/2007/04/12/1561610.aspxhttp://blog.csdn.net/linuxcumt/comments/1561610.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1561610.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1561610SIP面临的安全威胁 <img src ="http://blog.csdn.net/linuxcumt/aggbug/1561610.aspx" width = "1" height = "1" />Thu, 12 Apr 2007 17:49:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/12/1561610.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2007/04/12/1561610.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/12/1561597.aspxhttp://blog.csdn.net/linuxcumt/comments/1561597.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1561597.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1561597SIP中实现安全性的几种方案<img src ="http://blog.csdn.net/linuxcumt/aggbug/1561597.aspx" width = "1" height = "1" />Thu, 12 Apr 2007 17:45:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/12/1561597.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2007/04/12/1561597.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560683.aspxhttp://blog.csdn.net/linuxcumt/comments/1560683.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1560683.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1560683SIP当今最热门的通信协议已成熟<img src ="http://blog.csdn.net/linuxcumt/aggbug/1560683.aspx" width = "1" height = "1" />Wed, 11 Apr 2007 23:50:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560683.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560683.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560642.aspxhttp://blog.csdn.net/linuxcumt/comments/1560642.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1560642.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1560642在多媒体通信协议中，SIP协议是一个相对简单的、但是很重要协议。SIP是一种应用级控制协议，用于在IP数据网络上建立、改变和结束多媒体会话。SIP可以实现多种业务服务，如IP电话、多媒体会议、注册和重定向服务，并可以简化对VPN的连接。 <img src ="http://blog.csdn.net/linuxcumt/aggbug/1560642.aspx" width = "1" height = "1" />Wed, 11 Apr 2007 23:28:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560642.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560642.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560614.aspxhttp://blog.csdn.net/linuxcumt/comments/1560614.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1560614.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1560614SIP协议与视频通信。作为一个IETF提出的标准，SIP协议在很大程度上借鉴了其他各种广泛存在的Internet协议，如HTTP(超文本传输协议)、SMTP(简单邮件传输协议)等，和这些协议一样SIP也采用的基于文本的编码方式，这也是SIP协议同视频通讯领域其他现有标准相比最大的特点之一。按逻辑功能区分，SIP系统由4种元素组成：用户代理，SIP代理服务器，重定向服务器以及SIP注册服务器。图1 SIP呼叫建立过程。虽然SIP协议用于电信视频应用存在问题，但是随着SIP协议首先在语音交互中的应用以及软交换中的使用，可以看到SIP协议还是有较好的前景。<img src ="http://blog.csdn.net/linuxcumt/aggbug/1560614.aspx" width = "1" height = "1" />Wed, 11 Apr 2007 23:19:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560614.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2007/04/11/1560614.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/30/1421706.aspxhttp://blog.csdn.net/linuxcumt/comments/1421706.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1421706.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1421706线性表的合并<img src ="http://blog.csdn.net/linuxcumt/aggbug/1421706.aspx" width = "1" height = "1" />Thu, 30 Nov 2006 18:02:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/30/1421706.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2006/11/30/1421706.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/30/1421618.aspxhttp://blog.csdn.net/linuxcumt/comments/1421618.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1421618.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1421618线性表为例的一个小程序的架构<img src ="http://blog.csdn.net/linuxcumt/aggbug/1421618.aspx" width = "1" height = "1" />Thu, 30 Nov 2006 17:19:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/30/1421618.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2006/11/30/1421618.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/29/1419625.aspxhttp://blog.csdn.net/linuxcumt/comments/1419625.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1419625.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1419625以操作三元组为例的一个小程序的架构<img src ="http://blog.csdn.net/linuxcumt/aggbug/1419625.aspx" width = "1" height = "1" />Wed, 29 Nov 2006 18:45:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/29/1419625.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2006/11/29/1419625.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/28/1418676.aspxhttp://blog.csdn.net/linuxcumt/comments/1418676.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1418676.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1418676联合体的使用<img src ="http://blog.csdn.net/linuxcumt/aggbug/1418676.aspx" width = "1" height = "1" />Wed, 29 Nov 2006 01:42:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/28/1418676.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2006/11/28/1418676.aspxlinuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/28/1418673.aspxhttp://blog.csdn.net/linuxcumt/comments/1418673.aspx0http://blog.csdn.net/linuxcumt/comments/commentRss/1418673.aspxhttp://tb.blog.csdn.net/TrackBack.aspx?PostId=1418673动态存储分配<img src ="http://blog.csdn.net/linuxcumt/aggbug/1418673.aspx" width = "1" height = "1" />Wed, 29 Nov 2006 01:41:00 +0800linuxcumthttp://blog.csdn.net/linuxcumt/archive/2006/11/28/1418673.aspx#Feedbackhttp://blog.csdn.net/linuxcumt/archive/2006/11/28/1418673.aspxlinuxcumt