Compatibility list

The overview shows the telephone systems and Cloud PBX that can be used for ProCall Enterprise and ProCall Business

State of knowledge

July 2024


  • In principle, estos ProCall Enterprise supports the use of all third-party TAPI drivers for controlling telephones. In addition, the telephone system can be connected with ECSTA.
  • ProCall Business supports the connection for third party TAPI drivers for selected PBXs. The ECSTA for freely given telephone systems are integrated in ProCall Business.
  • Information on older telephone systems supported by estos ECSTA is archived at https://www.estos.com/products/ecsta-series.
  • In the following list you will find the information about estos ProCall Enterprise versions from version 6.0 or ProCall Business from 21H1.

With the MultiVendor strategy, ProCall basically supports interoperability and collaboration with telephone systems from different vendors. (on-premises and cloud PBX).

How will interoperability in the telephone system be technically implemented in ProCall?

Depending on the telephone system, ProCall variant (Business, Enterprise, DataCenter) and technical requirements or integration depth, the connection/communication between ProCall and telephone system(s) is realized via the following standards/connection options

Use case CTI (Computer Telephony Integration/Computer Assisted Telephony)

    • TAPI or TSP (TAPI Service Provider) 
      uses the TAPI interface or works together with the respective system TSP 
    • ECSTA (CSTA middleware from estos specifically developed for certain telephone systems)
    • ECSTA for SIP phones (TAPI driver specifically developed by estos for certain SIP end devices)

Use case telephony via computer/smartphone

  • SIP softphone functionality (integrated softphone functionality for VoIP telephony) 

Telephone system (on-premises)

Connection via TAPI

Connection via SIP for softphone


ProCall Enterprise versionProCall Business versionProCall Enterprise versionProCall Business version

Agfeo





ES Series

  • Information about SIP connection

  • TAPI connection tested with:
    Agfeo TSP

from 6.0not availablenot availablenot available

Alcatel Lucent





OXO Connect

from 6.0

from 21H1*from 6.1from 21H1

OmniPCX Enterprise (OXE)

from 6.0not available   from 6.3.0not available

4400 Series

from 6.0not availablenot availablenot available

Asterisk





Asterisk Version 15.5

from 6.0not availablefrom 6.3not available

Auerswald (FONtevo) 





AuerswaldCOMpact/COMmander

from 6.0from 21H1*from 6.2from 21H1

Avaya





IP Office Connect

from 6.0from 21H1*from V 6.1from 21H1

Aura Communication Manager

from 6.0not availablenot availablenot available

bintec elmeg





be.IP plus

from 6.421H1*from 6.421H1

Cisco





CUCM Unified Communications Manager (CallManager)

  • Information about SIP connection

  • TAPI connection tested with:
    Cisco TAPI driver

from 6.0not availablenot availablenot available

innovaphone





innovaphone IP811 and greater

from 6.021H1*from 6.221H1

Mitel





MiVoice Office 400

from 6.021H1*from 6.121H1

MiVoice MX-ONE

from 6.0not availablefrom 6.1not available

MiVoice Business

from 6.0not availablefrom 8.5not available

MiVoice 5000

from 6.0not availablenot availablenot available

OpenCom 100

from 6.0not availablenot availablenot available

Panasonic





KX-NSX 1000/2000

from 6.021H1*from 6.121H1

NS Series, KX-TDA, KX-TDE, KX-NCP

from 6.021H1*not availablenot available

Telekom





Octopus F (X3, X5, X8)

from 6.0from 21H1*from 6.2from 21H1

Unify





OpenScape Business (X3, X5, X8)

from 6.0from 21H1*from 6.2from 21H1

OpenScape 4000

from 6.0not availablenot availablenot available

STARFACE





STARFACE (Hardware Appliance / VM Edition)

not availablenot available7.3.322H1

*No TSP is made available to the server. The functionality is only available to ProCall Business, but not to any third-party program.

Cloud PBX

Connection via TAPI

Connection via SIP for softphone

ProCall Enterprise version

ProCall Business version

ProCall Enterprise version

ProCall Business version

autphone

7.0not available7.021H1

bis. cloud

7.1.5not available7.1.521H1

BroadSoft BroadWorks

from 6.0not availablenot availablenot available

Communi5 Voice Application Server 

(formerly Teles)

from 6.0not availablenot availablenot available

Firstcom (formerly C+ITEC) Universe Cloud 

7.1.5not available7.1.521H1

HFO Crown Centrex

7.0not available7.021H1

MK Network services

not availablenot available7.221H2

nfon (BETA)

not availablenot available7.0

OstertagDeTeWe, OD Cloud (vPBX)

not availablenot available7.322H1

Placetel PROFI vPBX

not availablenot available7.322H1

reventix

7.0not available7.021H1

STARFACE Cloud-PBX

not availablenot available7.3.322H1

STARFACE White Label

not availablenot available8.3.0not available

Version note

Since estos has no influence on the further development of the supported telephone systems by the manufacturer, we cannot guarantee that the overview described above will also be valid without restriction for future releases.

Further information

Where can I find information on supported telephone systems and connection instructions?