18. The system of claim 12 further comprising a Voice over Internet Protocol (VoIP) network over which said captured audio signal is communicated to said hybrid keyword detection system.
18. The system of claim 12 further comprising a Voice over Internet Protocol (VoIP) network over which said captured audio signal is communicated to said hybrid keyword detection system. 19. The system of claim 18 wherein corresponding metadata for said captured audio signal is communicated to said hybrid keyword detection system.