收集的有关asterisk三方通话的资料网络链接

http://www.asteriskcn.com/index.php?q=search/node/%E4%B8%89%E6%96%B9%E9%80%9A%E8%AF%9D&page=1

http://www.cnblogs.com/5dteam/articles/1729668.html

http://www.osslab.org.tw/VoIP/IP_PBX/%E8%BB%9F%E9%AB%94%E5%BC%8F_IP_PBX/Asterisk/%E5%AE%A2%E8%A3%BD%E5%8C%96%E7%9A%84%E8%A8%AD%E8%A8%88%28Programming%29/%E5%A4%9A%E4%BA%BA%E6%9C%83%E8%AD%B0%E5%91%BC%E5%8F%AB%28n-way_call%29

http://www.voip-info.org/tiki-index.php?page=Asterisk%20cmd%20Conference