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Media Server Administration

1 Administrative Out-Of-Service

Starting with LumenVox version 15.0, a new method of taking LumenVox Media Servers out of service was introduced. This Administrative Out-Of-Service option allows system administrators to gracefully extract a LumenVox Media Server from a production system…

2 CDR Logging

Introduced with LumenVox 15.0.100 was a new method of logging Call Detail Records (CDRs) associated with Media Server sessions. This new log is automatically generated when the Media Server is running and creates a summary of each MRCP session that is processed…

3 Configuring Media Server Parameters

There are two basic ways of changing options used by the Media Server. The first is to edit a file called media_server.conf that is put into C:\Program Files\Lumenvox\config\ in Windows by default. In Linux, you would edit the media_server.conf file in /etc/lumenvox/.…

4 KPI Logging

Added as part of the LumenVox version 15.0 release was a new feature to log Key Performance Indicators (KPIs) that allows system administrators to periodically log out a number of important metrics that describe the performance of LumenVox services. This…

5 Media Server Specific Parameters

The following server options are controlled via the media_server.conf file, located in the config directory of the Windows LumenVox installation folder. By default, this location is C:\Program Files\Lumenvox\Engine\config\. On Linux deployments, edit the…

6 Media Server Support for HTTP Proxy

The LumenVox Media Server can be configured to use an HTTP proxy (e.g. for fetching grammars/SSML documents over HTTP) through use of the http_proxy environment variable. If this variable is set in the environment where the Media Server is running, the Media…

7 Network Ports and Ranges

Network Ports Any application or service that communicates over a network uses some sort of "port" object as a reference to a specific network connection endpoint. Typically this involves a network port on the client and another on the server that the client…

8 Streaming Media Properties (MRCP)

The following parameters are part of the MRCP specification, and can be controlled via the LvMediaServer.config file, located in the config directory of the Windows Lumenvox installation folder. By default, this location is C:\Program Files\Lumenvox\config\.…

9 Using save_waveform to save audio over MRCP

As per both the MRCP version 1 and version 2 specifications, the LumenVox Media Server supports the save-waveform MRCP header. This allows those using MRCP and the LumenVox Media Server to save audio files for each recognition. Typically, this will be handled…

10 Vendor Specific Parameters

As defined in the MRCP specifications, there are a set of headers allowing the client to adjust vendor specific parameters. These headers may be sent in the SET-PARAMS/GET-PARAMS methods. The following parameters are LumenVox-specific extensions to the MRCP…