Hi, ive had a weird problem with my ATA186 drops calls on port 1 after 10 to 30 mins. A Sniffer trace found that the ATA goes to pull down the config on port 2 during the call, and because the port 2 wasnt configured on the callmanager 5.1, it couldnt find the config on the TFTP server. At this point the ATA crashes and we get a temp fail on the Phones. The Solution for the moment is to create a dummy port 2 and number on the CallManager. Has anyone else seen this Problem ?