asterisk 是一个很有知名度开源软件，读了以后感觉颇深，最新1.6稳定版本，为大家学习提供参考-asterisk is a very well-known open source software, read after deep feeling, the latest stable version of 1.6 for the U.S. study to provide reference

dahdi-linux-complete-2.3.0.12.3.0.tar.gz，支持asterisk-1.6.20.tar.gz，用于app_meetme会议-dahdi-linux-complete-2.3.0.12.3.0.tar.gz，support asterisk-1.6.20.tar.gz for app_meetme conference

实现对Asterisk的扩展，版本1.6.0.1-Asterisk to achieve the expansion of function, version 1.6.0.1