Listen since the toyko meltdown and emi correction we can make outgoing calls but all inbound cals and extension transfer are block all we get is busy signals on all incoming trunks ( all of them ) and stangely all extension to extension calls we get busy signal in addition
Please check and correct we had major issues for over a week know
Thank you very much
The FAQ (under menu option DOCS) explains what to do in this situation. It can happen very seldom and is fixed by saving all of your extensions without any changes.