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Azure Bot Service Plugin 1.3.0 Released


Microsoft Azure Bot Service (ABS) Plugin 1.3.0 to the UniMRCP Server (UMS) has been released.

The plugin is based on the following components:

  • UniMRCP Server 1.7.0
  • Azure Speech SDK 1.20.0

The plugin supports the following APIs:

  • LUIS
  • Bot Service via Direct Line Speech

The binaries are currently available for the following Linux distributions:

  • Red Hat / CentOS 8 (unimrcp-azure-bot-1.7.3-1.el8.x86_64.rpm)
  • Ubuntu 18.04 LTS (unimrcp-azure-bot_1.7.3-bionic_amd64.deb)
  • Ubuntu 20.04 LTS (unimrcp-azure-bot_1.7.3-focal_amd64.deb)

This release introduces support for sending and getting activities triggered by the client application in addition to the regular listen method. The release also fixes a few problems by making use of the latest Speech SDK.

The detailed list of changes introduced in this release follows.
New Features
  • Added support for different DSC methods such as 'listen', 'send-activity' and 'get-activity'.
  • Allow the client to specify an activity payload via vendor-specific parameters such as 'payload', 'payload-encoding', 'payload-text'.
  • In addition to 'tag-format', added a new configuration parameter 'tag-encoding'.
  • Added support for the SDK properties InitialSilenceTimeout and EndSilenceStimeout.
Fixed Problems
  • Store submitted audio data into a wav file, when collection of utterances is enabled.
  • Reworked processing of STOP requests and input completion events.
  • If interim OnRecognizing events are not delivered, send START-OF-INPUT event upon processing OnRecognze event.
  • If an activity is not received within the specified activity timeout, complete recognition with no-match.
Configuration Parameters
  • Added a new attribute 'event-input-text' to the element 'results'. The attribute defaults 'null'.
  • Added a new attribute 'tag-encoding' to the element 'results'. The attribute defaults to 'escaped'.
  • Added a new attribute 'activity-timeout' to the element 'streaming-recognition'. The attribute defaults to 5000 msec.
  • Added new attributes 'initial-silence-timeout' and 'end-silence-timeout' to the element 'streaming-recognition'. The attributes default to 0 msec (not set).
Miscellaneous
  • Upgraded Azure Speech SDK from 1.14.0 to 1.20.0.
  • Updated the Usage Guide to reflect the changes introduced in this release.
Reference

Visit the Azure Bot Service plugin page for more information.

Thank you for using UniMRCP.

--
Arsen Chaloyan
Author of UniMRCP
http://www.unimrcp.org

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