Avaya Aura Application Enablement Services

Latest Release: 10.2 (Dec 2023)

Release 10.2

Avaya Aura Application Enablement Services (AE Services) Release 10.2 was made generally available in December 2023. This is the latest release of AE Services and is recommended for new development.

New in Release 10.2

AE Services 10.2 includes the following new and enhanced features:

  • TSAPI Unencrypted Services port default changed to disabled
  • VMware vSphere ESXi 8.0 and VMware vCenter Server 8.0 support in a VMware virtualized environment
  • Support of root end user license agreement (EULA) for AE Services OVA deployment
  • The Web Telephony interface (WTI) service enhancements including:
    • Exposing remaining APIs and associated events
    • WebSocket support for APIs and Event
    • Implementing GRHA failover recovery support for REST APIs
  • Trellix AV (fka McAfee) software deployment support in a virtualized environment to detect, prevent, and eliminate malware threats

For more information, see Avaya Aura Application Enablement Services Overview and Specification under Downloads > Release and Product Information.

Compatibility Information

Compatibility with earlier AE Services release

Developers are advised to utilize the SDK version that corresponds to the deployed Avaya Aura release to address enhancements, features and changes in Avaya Aura and/or the developer solution.

Release history

Release Information

Product Overview

SPECIAL NOTE:Avaya Aura Application Enablement Services (AE Services) software is no longer downloadable from this page. DevConnect Technology Partners and Testing-enabled Members may purchase the needed Communication Manager and AE Services lab systems to be used for development purposes as a DevConnect Procurement package. Non-members should contact an authorized Avaya reseller or their Avaya Account Executive to obtain the necessary software and licenses.

DMCC Java SDK and Documentation

DMCC XML SDK and Documentation

DMCC .Net SDK and Documentation

Selective Listening Hold/Multiple Registration Service

Important Note:This white paper provides guidance for application developers that use the Selective Listening Hold (SLH) service and/or Multiple Registration (MR) to utilize call media information from one or more parties in a call.

Media Stack Documentation

Important Note:This is a sample implementation of a client media stack designed to demonstrate the RTP processing capabilities of the DMCC SDK. Click here for important information about using the Media Stack in production environments.

Additional Resources

The DMCC APIs rely on the TSAPI service for Call Control, Logical Device, Snapshot and Routing services. The TSAPI Programmers Reference provides information that DMCC developers will find useful, such as details of parameters, error codes and limitations, as well as descriptions of how CTI applications may interact with other Communication Manager features:

System Management Service SDKs

Developer Documentation


Effective with Avaya Aura AE Services release, the Telephony Web Service SDK is discontinued. Release and above will continue to support applications developed using prior Telephony Web Service SDKs (8.1.3 and older). Developers should use the Avaya Aura AE Services Web Telephony Interface for new development.

Telephony Web Services SDKs

Developer Documentation

The Web Telephony Interface (WTI) Service (REST services) that AE Services supports allow easy integration with enterprise applications and aggregation of services to implement compound operations. The developer documentation below describes the REST Telephony Services that exposes core telephone functionality and enables access to basic third-party call control features on Communication Manager.

Release 10.2 introduced a new WebSocket version of the WTI Service interface.

WTI Developer Documentation

JTAPI SDKs and Clients

JTAPI Developer Documentation

Additional Resources

The JTAPI API uses TSAPI to communicate with the AE Services. Therefore, JTAPI developers will find useful information in the TSAPI Programmers Reference. This includes details of parameters, error codes and limitations as well as descriptions of how CTI applications may interact with other Communication Manager features:


AE Services release added TSAPI Service Port 453 for encrypted/secure client connections. Beginning with release, the TSAPI Service will listen on port 450 for unencrypted connections, and port 453 for encrypted connections.

Effective with AE Services release 10.1, TSAPI and CVLAN Linux Clients and SDKs will only be supported on RHEL 8. AE Services 10.1 TSAPI and CVLAN Windows Clients and SDKs will continue to be supported on existing versions of Windows 32 and 64 bit OS. For more information, read the Product Support Notice.

TSAPI SDK and Clients

Note: The full Avaya Aura AE Services TSAPI SDK for use with AE Services is not available for download. DevConnect members can order the TSAPI SDK via the Procurement option.

TSAPI Developer Documentation

Note: CallVisor LAN (CVLAN) is a legacy AE Services interface. CVLAN Client downloads are available via the portal for the purpose of maintaining existing applications only. CVLAN should not be used for new application development nor new customer deployment. DevConnect does not provide support nor compliance testing for any CVLAN-based solution and any technical support for an existing third-party CVLAN solution must be obtained via a formal customer SR.

CVLAN Clients

CVLAN Developer Documentation