Hello brothers,i have a few many questions to ask you and then get resolve for Asterisk configuration,first of all,i installed debian on my virtual machin i follow step by step this tutorial on this link bellow http://www.howtoforge.com/asterisk-installation-on-debian-7-wheezy,so why i have to choose "SSH Server" and "Standard System Utility" on Software Selection sreen as you mentioned on this tuto ? Because the system display a default selection on the Software Selection screen. And then it's necessary to put an ip addresse on "Configure the Network Screen" in the case that i left it blanc,it is a problem? Thanks ! Any response will help!