I'm not sure, if this is true but: does a competitor who is well known for its geo-redundancy, still depend on a common "brain" to steer their DIDs to each of their "redundant" destinations? Is this a single-point of failure?
All of your other comments about VoIP.ms aside, this topic has been beaten absolutely to death
on this forum.
No, VoIP.ms does not depend on a central site.