Bought this phone off eBay cheap. I want to use with Callcentric. I was able to unlock the Fonality stuff and get in with the normal Polycom 456 Admin password and get things setup. I used an ftp server and hacked together some basic cfg files for the phone to download, then did the rest of the setup in the web utility. Phone works - makes calls and receives calls. But... I have one major issue: incoming calls don't ring. The call comes in and can be answered but no ringtone. AND, if I press the volume keys on the phone to change the ringer volume or use the menu to select a ringer tone, the phone locks up for a moment then reboots itself. So something is wrong with the ringtone setup. I've tried several cfg file things to get ringtones into the phone. I don't want anything custom - just default standard ringer would be fine. Any tips on how to repurpose one of these phones would be greatly appreciated. Thanks.
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