State of knowledge

March 2023


  • ProCall 8 Enterprise Version 8.1
  • ProCall 7 Enterprise Version 7.7.0, 

Cloud PBX from estos

ProCall Voice Services are an add-on to ProCall Enterprise and provide a cloud PBX (Cloud Telephone Exchange).

Video tutorial – advantages and benefits of ProCall Voice Services

ProCall Voice Services – the cloud PBX with connected SIP trunk

Language: German
Duration: approx. 8 minutes

  • Market situation – why a cloud PBX?
  • Cloud PBX vs. on-premises telephone systems
  • Potential for ProCall Enterprise existing customers
  • Smooth migration
  • Licensing model/short contract periods

Target group

For small businesses in the DACH region (Germany, Austria, Switzerland) that need business telephony functions for their accessibility and business processes, "ProCall Voice Services" offers a cloud telephone system with complementary value added services that is easy to put into operation and harmonizes excellently with ProCall.