Send a START-OF-INPUT event on DTMF input.
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Value |
Boolean DEFAULT: 0 (disabled) |
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How to set |
If using the Management Station, set on the Speech Server service. If not using Management Station, set in an NSS configuration file (user-NSSxx.txt). |
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Usage |
Occasionally changed at initialization. External integrators use this parameter. Frequency depends on customer: always or never. |
This enables the voice platform to detect DTMF barge-in.
When a caller speaks, the server can send a START-OF-INPUT event to the MRCP client. The client can use this information to detect that the caller has interrupted a prompt (known as barge-in). If this parameter is set to 1, Speech Server also sends a START-OF-INPUT event when a touchtone occurs.
Although this parameter is specific to speech recognition, it relates to barge-in that occurs during a text-to-speech prompt: most MRCP clients send a BARGE-IN-OCCURED message to the server after receiving the START-OF-INPUT event.
Supported for MRCPv2 browsers. (Ignored for MRCPv1 browsers.)
