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ECSTA for TELES Voice Application Server

Professional TAPI driver for your TELES Voice Application Server


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Supported functions

  • Dial
  • Hang up
  • Answer call
  • Hold call
  • Retrieve call
  • Redirect call
  • Blind transfer
  • Setup transfer


  • Swap hold
  • Complete transfer
  • Create conference
  • Add to conference
  • Dial in dial tone mode
  • Forwarding
  • Do Not Disturb


The connection is established via the CSTA server of the TELES Voice Application Server Please make sure that the interface has been enabled by your telephony provider. For a successful connection you have to adjust settings of your account (see product documentation). 

Supported system versions

  • TELES Voice Application Server
  • TELES C5

System requirements

  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012 R2
  • Windows Server 2012
  • Windows 10
  • Windows 8.1