Only via a Windows virtual machine (VMware Fusion or Parallels) with USB audio passthrough. Native macOS version never existed.
: Navigate to the Cisco Software Download page. cisco ip communicator 8.6.6.0 download
While nostalgia and necessity drive many to search for “Cisco IP Communicator 8.6.6.0 download,” using it in a modern network carries serious risks: Only via a Windows virtual machine (VMware Fusion