Building Telephony Systems with OpenSIPS 1.6 英文版

Building Telephony Systems with OpenSIPS 1.6 英文版如果开发者对于本文件有需要的可以参考。
This material is copyright and is licensed for the sole use by Betty Vaughan-Pope on 1st February 2010
This material is copyright and is licensed for the sole use by Betty Vaughan-Po