I want to request / search a plugin for making that all Steam Users that have downgraded their CS 1.6 so they can hear the Non Steam users, and the plugin makes everyone to talk on the new audio codec.
I have seen this solution on other servers, and the only information I can give you to help me is that, when you start talking on the old audio codec (which is the one that Non Steam users can use), they kick you out of the server with the following message: "Invalid Voice Data".