MST_TTS_Config

Purpose

Optionally use this state table to modify the configuration of a session with the MRCP V1.0 text-to-speech server. Configuration data applies to the session, not to an engine. Configuration remains valid for the duration of the session. Sequential invocation of this action within a session can be used to add to and override configuration settings for the session.

Usage

MST_TTS_Config augments and updates the default configuration in file $CUR_DIR/ca/MST_dir/mst.xml, which must contain a set of header fields to be loaded into the TTS engine when first allocated.

Parameters

Input

session_id (Number)

The session identifier allocated on the successful call to MST_TTS_Assign.

session_parameters (Tag String)

The MRCP TTS configuration updates to be applied to the session. To build the string, use the PutTag operator of the AssignData state table action. See 4.i details of how to use PutTag. The MRCP header fields that can be specified in session_parameters are defined in the MRCP V1.0 specification and are passed unchanged to the MRCP TTS server using the MRCP SET_PARAMS call. See Table 1.

Output

return_code (Number)

Contains the result of the action. See below for details.

Return codes

0 - Success

The configuration parameters have been set successfully.

7 - Protocol error

The text-to-speech server has reported a protocol error. More details about the exact error will be logged to the Blueworx Voice Response error log.

8 - Invalid session

The session ID specified was not valid.

9 - Parameter error

A parameter is in error (for example, a parameter is too long). More details about the exact error will be logged to the Blueworx Voice Response error log.

10 - Failed

An unexpected problem occurred. More details about the exact error will be logged to the Blueworx Voice Response error log.

4nn

Protocol error returned by the MRCP V1.0 server if a parameter passed in the correct format, but the MRCP server cannot process it, for example, when an unsupported language is specified. For details of these codes and their meaning, refer to the MRCP V1.0 specification available at:

http://tools.ietf.org/html/draft-shanmugham-mrcp-04