[Freeswitch-users] Commercial Communications Platforms with Freeswitch at the Core

What commercial commutations platforms exist that have freeswitch at the core of their platform? Something that could handle full class 5 capabilities and hosted PBX capabilities similar to what you would find from a Broadsoft, Metaswitch, or Netsapiens platform? I know freeswitch is opensource so technically we could build our own, but we have no interest in building and maintaining our own platform.