A patch for Unreal Tournament III will finally get VOIP working according to a post on the Official Epic Forums. The patch features fixes for a plethora of bugs and glitches such as the previously stated broken VOIP, better mod verification, and random game crashes. The full list for both the US and EU are below:

US ONLY

- Made compatible with Euro version (both are patched to the same level)
- Fixed reversed ping sorting in server browser
- Fixed some rare crashes (shutting down, saving with low HD space, AI, etc)
- Fixed a client crash while connecting to server while server it switching maps
- Minor rewordings of various messages
- Fixed mutator mods to not be always loaded, only load mutators when needed
- Added mod import verification for inter-mod package name conflicts
- Fixed weapon/effect sorting in DM-Gateway snow
- Fixed extraneous "Player" entries in campaign scoreboard
- Fixed some getting stuck and outside the world bugs
- No longer display "Player is on red/blue" messages in campaign
- Fixed a Torlan bot pathing bug
- Fix for too many custom characters causing texture corruption
- Keyboard jump now does Smart Jump
- Fix for tilt controlling player sometimes
- Removed Warfare Score Limit of 0 in UI
- Disabled 3d sound positioning on mission briefing sounds
- Fixed exploits with ViewNextPlayer in rare cases
- Fixed some HUD positioning bugs
- Fixed a Darkwalker AI bug
- Fixed some teleporter timing bugs
- Fixed low-bandwidth, large player count connectivity


EURO AND US
- Mods now on root of memory device, can download easier from PS3 web browser
- Fixed VOIP quality issues
- Fixed some headset connection issues
- Added support for full character mods (heads/premade whole characters)
- No longer need to reboot after importing a character mod to see it in menus
- DLC no longer acts like a user mod (being listed in MyContent and causing disable mod crash dialog)
- Fix for bootup and import slowdown with many mods installed
- Add a VOIP icon when VOIP is active (button held down)
- Fixes for corrupted the auto-mod-download cache
- Fix for flickering auto-download text
- Fix for getting stuck in multiplayer menu if you get in before gamespy connects
- Fixed a mod problem with switching between mod and shipping maps with clients teleporting randomly
- Fixed a mod problem with multiple gametype mods installed, only first one imported would work
- Fixed Leviathan deploy icon
- Bots now respect players feigning death (depending on bot skill level)
- Bots now respect sandstorm "blindness"
- Fix for bots picking linkgun mode