For those on teamspeak (and you all should be!) who want to see who is talking and on channel in-game you can use either TSNotifier or the TS3 native Overlay plugin. TSNotifier seems to cause problems when running Fraps so here are the steps to get the Overlay plugin working in the current version of TS3:
1. Install TS3 v3.0.5 client.
2. Proceeded through the setup wizard and ticked Enable Overlay, agreed to the warning about anti-cheat.
3. Close TS3 and open the config_user.ini in %appdata%\ts3overlay. Add the following:
[LAUNCHER.EXE]
dll.force_loading=true
4. Start TS3, log onto 216.52.148.29:9987 and start CoD.
The C:\Users\Upstairs\AppData\Roaming\ts3overlay\confi g_user.ini entry looks like this after a successful test:
[LAUNCHER.EXE]
dll.force_loading=true
statistics.tried_in_version=3.3.5
statistics.doesnt_crash_in_version=3.3.5
Also discussed on the ATAG forum
here.