# Mumble Network Protocol Documentation The Mumble Network Protocol documentation is meant to be a reference for the Mumble VoIP 1.2.X server-client communication protocol. It reflects the state of the protocol implemented in the Mumble 1.2.8 client and might be outdated by the time you are reading this. * [Overview](overview.md) * [Protocol Stack (TCP)](protocol_stack_tcp.md) * [Establishing a Connection](establishing_connection.md) * [Voice Data](voice_data.md)