No, but there are client + server alternatives that are free. Mumble / Murmur is one. Rock solid and scales to large numbers of users even when running on a t

No, but there are client + server alternatives that are free. Mumble / Murmur is one. Rock solid and scales to large numbers of users even when running on a tiny VM. They are kindof slow to release new features, so you would want to try their latest snapshot of the server and client.