Internal Calls should auto drop after specified rings

[shoai]

i have a situation here my internal calls doesn't drop after specified rings.i.e if someone is calling on an extnsn and the person is not present the call continues to ring .I want that if called party doesnt receive after 7 rings call should auto drop

[richa164]

what system are you on ?/

if ipoffice forward the user on busy no answer to a short of busy.

If CM cover path to vdn to vector with disconnect statement