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Azure Bot Service Plugin 1.3.0 Released

June 11 2022

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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