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Appendix B

Voice Message Service Parameters

The behavior of some Natural Access functions is described by multiple parameters. These parameters are grouped together into structures for convenience and efficiency. Each parameter structure has a default value that is sufficient for many configurations. The parameters can, however, be modified to achieve the following: Enable or disable function features. Adapt a function for exceptional configurations.
For example, when recording speech data, you can alter the function's behavior by modifying any of the record parameters that specify Any subset of DTMF keys entered by the telephone caller which abort the function. Gain applied to the input signal. An initial timeout in which the caller must start speaking before the function terminates. The amount of silence after a caller has stopped speaking before the function terminates. Beep tone frequency, amplitude, and duration. Automatic gain control settings.

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