Hi,
You need to have ivms 2400 client running on your PC and go to 'maintenance and management'.
Then 'Add' DS-KH6320 TE1 device, with DS-KH6320 TE1 on-line and showing green in ivms 2400.
Go to remote configuration, then go to 'intercom', then 'call linkage'. then 'enable' trigger 1 or trigger...