atcomsystems.ca/forum Forums TDM Business Telephone Systems Avaya - Lucent Telephones & Systems Avaya 406 ip v2 how do I set back to factory defaut?

Avaya 406 ip v2 how do I set back to factory defaut?
I would like to wipe it out I want it to act like a pbx system
I have one line going into a four line system I would like to pickup line one every time but it's goes to line 2 line 3 line 4 then back to line one were I can get dial tone