open-source Call Center Management software: DNIS https://en.wikipedia.org/wiki/Dialed_Number_Identification_Service Interactive voice response (IVR) https://en.wikipedia.org/wiki/Interactive_voice_response
open-source Call Center Management software: DNIS https://en.wikipedia.org/wiki/Dialed_Number_Identification_Service Interactive voice response (IVR) https://en.wikipedia.org/wiki/Interactive_voice_response