well the guy that takes care of this client is in the usa,i just went there cause their pri was down i saw that they had to pri cards one had red lights on them so i powered the system down since they were already down i swapped the cards and powered back up they told me that the 2nd pri card is for overflow only if onother of their site would go down they would re route the calls to this place i don't know this system to disable the cards so if i power down and swap the card i should be good/???