HI this morning at a remote location, no one was able to make or receive calls. Calling in the telephone would play the message (greetings) but you could not get to an internal extension. I rebooted the switch and now everything is working. But, when people at the location moved office locations, they would sign in and out their phones and take it with them. After the reboot it seems those moves have been undone. Is there a way to say the new location of the phones? So this does not happen again?