====== Asterisk ======
when setting up your asterisk box you will generally be modifying two files your extensions.conf and your sip.conf or iax.conf.  before beginning I think its important to note that I am not a expert at anything.. especially asterisk.. and everything I have learned has come to me on spirit quests(google).  so if you see a error or you know a better way please correct me

===== extensions.conf =====
this is where your dial plan goes.  or how you want your phone server to function when receiving/making calls..

**For Example:**

call comes in > dial your extension > dial your cellphone > forward to answering machine

call comes in > compares against blacklist > realizes its a telemarketer > forwards to sounds of creatures screaming

call comes in > asks user for extension(service, support, sales) > forwards to appropriate extension




===Other things that Extensions handle===
  *voicemail
  *music on hold
  *call forwarding
  *cid lookups
  *cid spoofing
  *system calls
  *sip to sip calling 
  *etc etc.. skys the limit


===== sip.conf/iax.conf =====

This is where your protocol/login settings go.  This is where you add information to connect to your sip or iax exchange.  This is also where you will add users so they can use sip/iax extensions  (soft phones, and hardware sip/iax phones).


so lets hack.