毫无疑问，UNIX/Linux 最重要的软件之一就是shell，目前最流行的shell 被称为Bash(Bourne Again Shell)，几乎所有的L...

machine learning related paper from msra

windows Api目录，虽然比较简单，但熟悉后在需要时可快速检索在详细了解帮助学习-windows Api directory, although relatively simple, but familiar with after the fast retrieval when necessary to assist in the detailed understanding of learning

系统集成方案办公网建设电子书籍-System Integration office building of the network of e-books

分形理论及算法，讲解很全面，还附许多算法的代码，介绍了fractint分形图生成器相关内容，很不错-fractal theory and algorithms, on the very comprehensive, with many algorithm code, introduced fractint Fractal Generator related content, very good

网页制作的PPT教材，是网页制作的好的教材-pages of PPT materials, the web is good teaching

非常好的ruby中文学习文档。 -A very good ruby Chinese language documents. A very good ruby Chinese language documents.

著名的 孙鑫视频讲座的笔记 非常不错的笔记 较为详细 希望对大家游泳-SUN Xin famous video lecture notes are very good notes in more detail we would like to swim

VoIP enables a Cisco 3600 series router to carry voice traffic (for example, telephone calls and faxes) over an IP network. Voice over IP is primarily a software feature however, to use this feature on a Cisco 3600 series router, you must install a voice network module (VNM). TheVNMcan hold either two or four voice interface cards (VICs), each of which is specific to a particular signaling type associated with a voice port. -VoIP enables a Cisco 3600 series router to carry voice traffic (for example, telephone calls and faxes) over an IP network. Voice over IP is primarily a software feature however, to use this feature on a Cisco 3600 series router, you must install a voice network module (VNM). TheVNMcan hold either two or four voice interface cards (VICs), each of which is specific to a particular signaling type associated with a voice port.

本文从VoIP相关知识入手，介绍了IP电话的软硬件结构设计及实现方案，并描述了IP电话基于SIP的呼叫流程，并通过设计杂项的方式详细描述了系统中的几个关键点。内容仅供大家参考，更详细内容可参见源代码，源代码是最好的老师。-In this paper, starting from the VoIP-related knowledge, introduction of IP telephony hardware and software design and realize the structure of the program, and describes the IP phone based on SIP call flow, and through the design of miscellaneous manner described in detail the system of several key points. Content for your reference, more details can be found in the source code, source code is the best teacher.

希望大家喜欢，这是我自己写的程序，请多多指教-like