Free Download nSolve Buzz 4.14.0.73 | 14 Mb
Buzz is nCall's built-in VoIP softphone. It eliminates the need for physical desk handsets for operators and instead requires only a headset to plug directly into your PC or laptop. Your operators will have the same familiar call handling giving a seamless user experience when operating nCall with Buzz. It is compatible with most SIP providers in the world and any phone system with VoIP support. Subject to your telecoms solution Buzz can be used both by office and remote operators.

https://www.nsolve.com/telephone-answering-service-software/buzz-operator-softphone/