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Communication Server 1000



Effective April 9 2019, Avaya is no longer providing support for CS 1000 Release 7.6. Release 7.6 is the final CS 1000 software release. Additional information can be found here.

Avaya offers a variety of modernization paths for CS 1000 customer migration, including Avaya Aura® and Avaya IP Office™ Platforms, and Avaya Cloud Solutions. These newer solutions not only protect customers' investments, but provide solution capabilities in keeping with current market demands for omni-channel and unified communications solutions.

Communication Server 1000 (CS 1000) is a server-based, fully-featured IP PBX. It provides the benefits of a converged network, advanced applications, and over 750 call processing and telephony features. CS 1000 is distributed over an IP LAN and WAN infrastructure, with built-in reliability and survivability. CS 1000 supports business-critical applications, including unified messaging, customer contact center, IVR, wireless VoIP and IP telephones.


  • CS 1000 provides a rich set of interfaces that enable third party applications to access its call data and communications capabilities
  • In addition, CS 1000 communications capabilities can be accessed via the Avaya Agile Communication Environment Web services.
  • The CS 1000 Data Buffering and Access (DBA) CDR/Traffic Toolkit version was issued in December 2017.

Other Resources from Avaya

Release News

Last Release

7.6 SP11
(October 2019)
View Release

DBA Toolkit
(December 2017)
View Release

Featured Resources

Product Support Notice

CS 1000 7.6 End of Sale Notice
Effective Apr 9, 2018
Read Notice

CS 1000 7.6 CDR Format Mismatch
Read PDF