Release date


TypeMaintenance Release
Version22H1 (Build 1.5939)
Security advice

ProCall Business 22H1 (Build 1.5939) was released on  as a maintenance release.

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ProCall Business 22H1 (Build 1.5939)

For ProCall Business, the diversity of cloud providers was taken into account and certifications were made for the cloud telephone systems from Ostertag DeTeWe – "OD-Cloud" and Placetel – "Placetel Profi". For Starface, the complete telephone system family was certified for softphone connection and is now also available for ProCall Business.

Softphone connection from STARFACE Cloud PBX/On-Premises/VM Edition


estos Softphone Starface

The STARFACE IP PBXs for companies and the ProCall Business softphone from estos facilitate location-independent interaction between colleagues and with external business contacts.

STARFACE has three variants of IP telephone systems in its portfolio: Hardware Appliance (physical IP telephone systems for local operation), a Cloud PBX (cloud telephone system) and a VM Edition (IP telephone system as a virtual machine for self-hosting and administration).

Regardless of which of the STARFACE systems is in use, the SIP-based softphone functions integrated in ProCall Business can be used without restrictions.

You can also find more information on the product page of our homepage:

Variety of cloud telephone systems

In order to take into account the variety of cloud telephone systems available on the market, additional connection profiles were added to ProCall Business and the necessary technical requirements were created

Ostertag DeTeWe –"OD-Cloud“
Placetel – "Placetel Profi“


New Functions/Improvements

  • In UCServer the configuration can be exported/imported. The export/import now also saves the settings for "Contact data" and integrated ECSTA.

Bug fixes
  • Fixed a bug where the Intsall.log was moved to an incorrect directory.

  • Fixed a problem with the calculation of ProCall Business extension licenses. These can now also be used.

Additional information
  • The mask for logging in to the UCServer Admin was reduced to mandatory data.

Installation and commissioning

Before you perform setup, please note the Best Practice: Installation and setup of ProCall Business

Known problems and limitations

ProCall Business known problems and limitations → 

Further information

ProCall Business product page 

ProCall Business documentation →