Setup osticket instance 1.Create an email account for it.Create a Agent (or user) that is an agent in instance 2Setup osticket instance 2.create an email account for it.Create a Agent (or user) that is an agent in instance 1When you have a ticket in instance 1 that you want to go to Agent in system 2. Assign it to the Agent or add the user as a collaborator. Use a canned response to resend the original ticket (or copy and paste).Instance 1 would email instance 2 and create a ticket. etc.