Voice changers work as voice modulators, voice pitch analyzers and correctors, and noise cancellers, among others.
What was the First Game with Voice Chat? Which voice changer are you going to choose? Developers must be before posting about their projects and, once they are, are not bound by rule 2.
TeamSpeak provides a limited capacity of 32 users within a server, that can only be raised to 512 over the existence of a non-commercial, non-profit license.
The engineers maintain security, internet bandwidth, and maximum uptime.