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Bing SR Plugin 1.1.0 Released

Microsoft Bing Speech Recognition (BingSR) Plugin 1.1.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • UniMRCP Server 1.5.0
  • Microsoft Speech WebSocket Protocol
  • Libevent 2.1.8
  • Rapidjson 1.1.0

The binaries are currently available for the following Linux distributions:

  • Red Hat / CentOS 7
  • Ubuntu 16.04 LTS

This release adds support for Speech-Incomplete-Timeout and also provides a few minor improvements.

The detailed list of changes introduced in this release follows.
New Features
  • Added support for the MRCP header field Speech-Incomplete-Timeout.
Fixed Problems
  • Skip any leading or trailing whitespaces while reading subscription key from file.
  • If connection to service is failed to establish and input has already started, do not attempt to send any data to the service.
Configuration Parameters
  • Added a new attribute 'speech-incomplete-timeout' to the element 'speech-dtmf-input-detector', which is set to 1000 msec by default.
  • Changed the default value of the configuration parameter 'vad-mode' from 1 to 2.
  • Log header fields of received HTTP responses using log level DEBUG instead of INFO.
  • Added session identifier to all the statements logged by speech input detector.
Visit the BingSR plugin page for more information.


Thank you for using UniMRCP.

Arsen Chaloyan
Author of UniMRCP

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