Parallel computer network and method for telecommunications network simulation to route calls and continuously estimate call billing in real time
   
   

A telecommunications call routing and billing computer system includes a telecommunications network including a junction point including a call routing switching device, and including two call routing links meeting at the junction point and in communications with each other through the call routing switching device; and a call routing simulation network including a junction point simulation computer located at the junction point and in communication with the call routing switching device and the two call routing links.

 
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