Dec 30, 2022
Amazon Web Services (AWS) Lex Plugin 2.7.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
AWS SDK 1.9.181
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The plugin is available for the following UMS versions:
1.7.0
1.8.0
The binaries are currently available for the following Linux distributions:
- Red Hat / CentOS 7
unimrcp-lex-1.7.12-1.el7.x86_64.rpm
unimrcp-lex-1.8.1-1.el7.x86_64.rpm- Red Hat / CentOS 8
unimrcp-lex-1.7.12-1.el8.x86_64.rpm
unimrcp-lex-1.8.1-1.el8.x86_64.rpm- Ubuntu 18.04 LTS
unimrcp-lex_1.7.12-bionic_amd64.deb
unimrcp-lex_1.8.1-bionic_amd64.deb- Ubuntu 20.04 LTS
unimrcp-lex_1.7.12-focal_amd64.deb
unimrcp-lex_1.8.1-focal_amd64.deb
The licensing toolkit has been extended to support flexible license distribution allowing for a more efficient use of licenses. The change applies to the use of floating licenses via a license server only. There are no functional changes in the use of node-bound licenses.
The licenses stored on a shared license store are dynamically re-distributed at runtime based on the actual usage. There is no need to pre-allocate a fixed number of licenses on initial loading of UniMRCP Server instances.
The detailed list of changes introduced in this release follows.
Aug 26, 2022
Amazon Web Services (AWS) Lex Plugin 2.6.3 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.9.181
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.11-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.11-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.11-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.11-focal_amd64.deb)
This is a patch release which fixes a minor issue in delegating an action.
The detailed list of changes introduced in this release follows.
Jul 18, 2022
Amazon Web Services (AWS) Lex Plugin 2.6.2 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.9.181
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.10-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.10-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.10-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.10-focal_amd64.deb)
This release adds support for application-specific session attributes.
The detailed list of changes introduced in this release follows.
Jun 3, 2022
Amazon Web Services (AWS) Lex Plugin 2.6.1 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.9.181
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.9-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.9-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.9-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.9-focal_amd64.deb)
This release fixes a possible segfault.
The detailed list of changes introduced in this release follows.
Mar 28, 2022
Amazon Web Services (AWS) Lex Plugin 2.6.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.9.181
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.8-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.8-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.8-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.8-focal_amd64.deb)
This release provides a few improvements and fixes.
The detailed list of changes introduced in this release follows.
Feb 3, 2022
Amazon Web Services (AWS) Lex Plugin 2.5.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.9.181
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.7-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.7-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.7-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.7-focal_amd64.deb)
This release provides a few fixes and improvements in the existing functionality. The release is built against a newer version of AWS SDK.
The detailed list of changes introduced in this release follows.
Nov 18, 2021
Amazon Web Services (AWS) Lex Plugin 2.4.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.8.129
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.6-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.6-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.6-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.6-focal_amd64.deb)
This release adds support for transparent session attributes of the Lex V2 API. The release also provides a few fixes and improvements in the existing functionality.
The detailed list of changes introduced in this release follows.
Aug 30, 2021
Amazon Web Services (AWS) Lex Plugin 2.3.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.8.129
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.5-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.5-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.5-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.5-focal_amd64.deb)
This release allows to specify the URI scheme used in communication with the HTTP proxy. The scheme now defaults to http but not https.
The detailed list of changes introduced in this release follows.
Jun 15, 2021
Amazon Web Services (AWS) Lex Plugin 2.2.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.8.129
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.4-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.4-1.el8.x86_64.rpm)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.4-bionic_amd64.deb)
Ubuntu 20.04 LTS (unimrcp-lex_1.7.4-focal_amd64.deb)
This release addresses an issue in the AWS SDK initialization encountered only when the use of the license server is enabled. The release also makes the separator of parameters passed to built-in grammars configurable.
The detailed list of changes introduced in this release follows.
Feb 26, 2021
Amazon Web Services (AWS) Lex Plugin 2.1.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.8.129
AWS Lex V2
Libevent 2.1.9
Libnghttp2 1.42.0
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.3-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.3-1.el8.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-lex_1.7.3-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.3-bionic_amd64.deb)
This release improves support for concurrent sessions by using a native implementation of async network I/O over HTTP/2. The release also adds support for eliciting a specific slot in an intent and fixes output audio format.
The detailed list of changes introduced in this release follows.
Feb 1, 2021
Amazon Web Services (AWS) Lex Plugin 2.0.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.8.129
AWS Lex V2
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.2-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lex-1.7.2-1.el8.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-lex_1.7.2-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-lex_1.7.2-bionic_amd64.deb)
The new Lex V2 API recently introduced by Amazon is now supported in the mainstream version of the Lex plugin. The plugin for Lex V1 API will receive maintenance updates only. Either the plugin for V1 or V2 shall be installed.
The benefits of using the new Lex V2 API include but not limited to:
Feb 1, 2021
Amazon Web Services (AWS) Lex Plugin 1.6.1 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.8.129
AWS Lex V1
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lexv1-1.7.2-1.el7.x86_64.rpm)
Red Hat / CentOS 8 (unimrcp-lexv1-1.7.2-1.el8.x86_64.rpm)
Ubuntu 16.04 LTS (unimrcp-lexv1_1.7.2-xenial_amd64.deb)
Ubuntu 18.04 LTS (unimrcp-lexv1_1.7.2-bionic_amd64.deb)
This release is built against a newer version of AWS SDK.
Please note that the plugin for the Lex V1 API will receive maintenance updates only with no new features planned. The new Lex V2 API will be supported in the mainstream version of the Lex plugin. As a result, the UniMRCP packages made for the Lex V1 API have been renamed to unimrcp-lexv1, whereas the packages named unimrcp-lex will support the Lex V2 API.
The detailed list of changes introduced in this release follows.
Dec 18, 2020
Amazon Web Services (AWS) Lex Speech Recognition Plugin 1.6.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.7.0
AWS SDK 1.7.216
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.7.1-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS(unimrcp-lex_1.7.1-xenial_amd64.deb)
Ubuntu 18.04 LTS(unimrcp-lex_1.7.1-bionic_amd64.deb)
This release reworks support for multiple AWS credentials profiles to allow AWS credentials to be associated with UniMRCP server profiles. A particular AWS credentials profile can be used per individual recognition request.
The detailed list of changes introduced in this release follows.
Feb 5, 2020
Amazon Web Services (AWS) Lex Speech Recognition Plugin 1.5.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
The binaries are currently available for the following Linux distributions:
This release adds support for multiple AWS credentials profiles which can be loaded on start-up or created on demand assuming a provided AWS role based on a common AWS user account. A particular AWS credentials profile can be used per individual recognition request.
The release also introduces numerous supplementary features and enhancements to the existing functionality.
The detailed list of changes introduced in this release follows.
Nov 5, 2019
Amazon Web Services (AWS) Lex Speech Recognition Plugin 1.4.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
AWS SDK 1.7.216
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.6.3-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS(unimrcp-lex_1.6.3-xenial_amd64.deb)
Ubuntu 18.04 LTS(unimrcp-lex_1.6.3-bionic_amd64.deb)
This release is built against a newer version of AWS SDK.
With this release, the plugin can be configured to assume a role implemented via STSProfileCredentialsProvider. The behavior is controlled by the configuration attribute 'credentials-provider', which is supposed to be set to 'sts' to use STSProfileCredentialsProvider. Note, in such a case, the attribute 'credentials-file' is not observed.
The release adds support for HTTP proxy in communication with the AWS services and also a license server available as a service.
The detailed list of changes introduced in this release follows.
Sep 12, 2019
Amazon Web Services (AWS) Lex Speech Recognition Plugin 1.3.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
AWS SDK 1.7.172
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.6.2-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS(unimrcp-lex_1.6.2-xenial_amd64.deb)
Ubuntu 18.04 LTS(unimrcp-lex_1.6.2-bionic_amd64.deb)
This release is built against a newer version of AWS SDK.
With this release, the plugin can be configured to use the AWS default credentials provider chain, which in turn allows to derive an IAM role set on an instance UniMRCP server is running on. The behavior is controlled by a new configuration attribute 'credentials-provider', which is supposed to be set to 'default' to use the default credentials provider chain. Note, in such a case, the attribute 'credentials-file' is not observed.
The detailed list of changes introduced in this release follows.
Mar 13, 2019
Amazon Web Services (AWS) Lex Speech Recognition Plugin 1.2.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.6.0
AWS SDK 1.5.16
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7 (unimrcp-lex-1.6.1-1.el7.x86_64.rpm)
Ubuntu 16.04 LTS(unimrcp-lex_1.6.1-xenial_amd64.deb)
This release fixes the use of annual node-bound licenses, and introduces some other minor improvements.
The detailed list of changes introduced in this release follows.
Nov 1, 2018
Amazon Web Services (AWS) Lex Speech Recognition 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
AWS SDK 1.5.16
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
This release allows message output format and timezone be specified either globally from configuration or per individual request. The release also fixes processing of vendor-specific parameters passed from GVP.
The detailed list of changes introduced in this release follows.
Sep 17, 2018
Amazon Web Services (AWS) Lex Speech Recognition Plugin 1.0.0 to the UniMRCP Server (UMS) has been released.
The plugin is based on the following components:
UniMRCP Server 1.5.0
AWS SDK 1.5.16
The binaries are currently available for the following Linux distributions:
Red Hat / CentOS 7
Ubuntu 16.04 LTS
IVR platforms can now utilize the Amazon Web Services (AWS) Lex API via MRCP.
Lex is an AWS service for building conversational interfaces for applications using voice and text. This is the same conversational engine that powers Amazon Alexa.
For more information on Lex, start with basic concepts.