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In earlier releases of Experience Portal, if ASR was enabled for an application, the ASR resource was acquired at the start of the call and released at the end of the call, regardless of whether speech recognition was invoked on the call. However, from Release 7.2.2, applications can delay the acquisition of the ASR resource and provide an early release of the ASR resource based on its requirement on the call.
Here, the ASR resource refers to the ASR port, the communication channel to the speech server for recognition, and the ASR license.
Each application has the following three options to control the acquisition and release of the ASR resource:
Acquire on call start and retain
Acquire on first use and retain
Acquire and release as needed
| Option | Description | ||||
|---|---|---|---|---|---|
| Acquire on call start and retain |
When you select this option, the ASR resource is acquired at the
start of the call and is released at the end of the call.
The application maintains the ASR resource acquisition and release behavior of the previous Experience Portal releases. This is the default option for all applications. |
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| Acquire on first use and retain | When you select this option, Experience Portal delays the acquisition of the ASR resource until the application requires and requests speech recognition. After the ASR resource is acquired, it is retained until the end of the call, and then released. | ||||
| Acquire and release as needed |
When you select this option, Experience Portal delays the acquisition of the ASR resource until the application
requires and requests speech recognition. After the ASR resource is
acquired, it is released during the call as needed.
The ASR resource is released after all the VXML elements that require speech recognition resources are out of the VXML application scope. This occurs when all the grammars, loaded to the speech recognition server for this application, are unloaded from the speech recognition server. Grammars are generally unloaded after they are out of VXML scope.
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