To change the incoming position from left to right OR right to left follow below steps

Step-by-step guide

1. Open the switchboard configuration
   
2. Go to Layout/Design tab
3. Take the snap shot of the layout
   
4. Go to main configuration page by selection Incoming/Main/Branch tab
   
5. Delete layout by selecting icon (This step will remove any manual changes you made in physical location of sections and devices different from the system default)
6. Acknowledge the warning message about the loss of manual arrangements. Take a snap shot of the current arrangement so that you can verify with the new layout
   
7. Open incoming configuration page by selecting wrench icon
8. Change the position from left to right or right to left and close the dialog
   
9.  Go to Layout/Design page to view the your changes