[Benefits] Intelligent Call Routing and Switching [Traditional VoIP Gateway] NO CALL ROUTING or switching. Calls are are simply converted from circuit to packet and back again. NO CIRCUIT SWITCHING - all calls must be switched externally. [Tenor MultiPath] 
Tenor provides DYNAMIC CALL ROUTING and SWITCHING intelligence, thus enabling Tenor to be deployed TRANSPARENTLY to the existing network. Supports INTEGRATED CIRCUIT SWITCHING and VoIP CALLS in the same device.