Ticket Merge

Hello, 

Currently running Web Helpdesk version 12.8.3

 We currently have our clients synced with AD and also, we have separate departments and users. 

Question is when there is a outage and its either our network or a vendor issue we have multiple people from different departments calling in regarding the same issue. We would like to merge them under a general department. Currently if we merge them we have to choose one ticket to be the main ticket and then it will fall under that person and department.