Amazon EC2 virtual computing environment allows you to launch instances with viariety of operating systems, manage network permisions, etc through web services API. Voxilla made a two part article about how to set up Asterisk on Amazon's computing environment.
The first part of the article is an introduction to EC2.
The second part is a step by step tutorial that describes how to sign up, configuring and starting the EC2 instance, configuring network settings and installing Asterisk.
How to change your Gmail password
51 minutes ago