We have a CM 3.1.5 system and are beginning to add some 9611G phones. Users report that the phones reboot themselves occasionally, sometimes in the middle of a call. How can we fix this? We have older 4620 and 4610 phones that work fine with our system using H.323. We have the 9611s configured as 4620s on the CM. Also, I'd like to check the firmware version on the 9611G. Can anyone tell where to find it? Thanks.