The customer was looking for a cost-effective, IP-based domestic voice solution. The solution needed to be reliable, scalable, and allow to be integrated with the auto-dialer They required a total of 200 channels and Port-based redundancy; in case of any drop, the total traffic should migrate to the other port.
They were also looking for a TFN number for incoming calls. Calls would be routed to two call centers in Kolkata and Indore, having state-based routing with load balancing. State-based routing was a challenge for IP-PBX.
The customer dealt with large call volumes, and the existing PRI connection was not reliable as it was delivered on copper. The high cost of infrastructure made the upgrading prohibitive.