If you are looking for a software-based IP-PBX for Windows, 3CX offers a highly-regarded product. The current release versions of Asterisk are 1.2.37, 1.4.36, 1.6.0.28, 1.6.1.20. 1.6.2.13, and Asterisk 1.8.0. The current beta is Asterisk 1.8 beta 5.
An exoskeleton (from Greek Î­Î¾Ï, Ã©xÅ outer and ÏÎºÎµÎ»ÎµÏÏÏ, skeletos skeleton) is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. In usage, some of the larger kinds of exoskeletons are known as shells.
EXO is a 12-member South Korean and Chinese boy band that takes a unique dual-prong approach. The group is composed of two subgroups: the Korean group EXO-K, which is made up of Su Ho, Baek Hyun, Chan Yeol, D.O., Kai and Se Hun; and the Chinese group EXO-M, which is made up of Kris, Xiumin, Lu Han, Lay, Chen and Tao.