Javascript ist deaktiviert daher funktionieren verschiedene Bereiche der Webseite nicht. Bitte aktivieren Sie Javascript in Ihrem Browser.

ESTOS CallControlGateway supports Microsoft Unified Communications with existing PBX systems

Connecting Microsoft Office Communications Server 2007 R2 with ESTOS products results in extended investment protection for companies

Starnberg, 08 April, 2009 – ESTOS, a leading manufacturer of Unified Communications Software, is pleased to announce that its middleware ESTOS CallControlGateway also facilitates the deployment of Microsoft Office Communications Server 2007 in the latest R2 version with existing TAPI PBX as well as with CSTA compatible telephony systems. In this context, the ESTOS product enables the controlling and monitoring of the legacy telephony components, thereby providing a higher level of investment protection for companies.

With the ESTOS CallControlGateway, all TAPI PBX and CSTA compatible telephone systems can be integrated simply and cost effectively with the Microsoft Office Communications Server R2 and the Microsoft Office Communicator Client via SIP and uaCSTA. The product supports features like make call, control call, call forwarding, the signaling of incoming calls as well as indicating the presence status “busy in a call” to the client. All functionalities are controlled via Microsoft Communicator Client using the existing PBX with the connected telephones. This results in enhancing investment protection for companies.

The user benefits from the extended scope of Microsoft Communications Server R2 features. These include presence management, instant messaging and conferencing. Enhanced conferencing functionalities with desktop sharing and the optimized integration of mobile devices characterize the latest R2 version of the Microsoft product. Christian Mehrtens, Director Information Worker Business Group , Microsoft Germany commends the combination of ESTOS and Microsoft: “With Office Communications Server R2, we have enlarged our existing product for even more flexible business communication. The new solution brings together all Unified Communications functionalities including optimized VoIP telephony. Many companies opt for incremental migration and combine traditional systems with innovative communication technology. Partners like ESTOS offer efficient solutions, which enable a cost-saving implementation of existing telephone systems.”


About ESTOS
Since 1997, ESTOS GmbH has been developing and selling innovative standard software and today is a leading supplier of Unified Communications products. CTI and SIP-based solutions are used for the optimization of the workflow in communication intensive departments. Today, more than 200,000 customers as well as numerous strategic technology partners and resellers in Europe profit from ESTOS’ know-how. The independent manufacturer is Microsoft Gold Certified partner, which has its company headquarters in Starnberg near Munich.

Press Contact
ESTOS GmbH
Hille Vogel
Petersbrunner Strasse 3a
82319 Starnberg, Germany
Tel.: +49 8151 368 56 132
E-Mail:

ESTOS CallControlGateway supports Microsoft Unified Communications with existing PBX systems