1.2.  Learn Mode Functions

Use learn mode functions to initiate and operate learn mode to obtain a tone description.

The following learn mode functions are available:

Function Name	Definition
lm_clramp( )	· clears the tone amplitude structure (TN_AMP) for the lm_LearnTone( ) function
lm_clrdesc( )	· clears the tone description structure (TN_DESC) for the lm_LearnTone( ) function. The associated tone frequency structure (TN_FREQ) and tone duration structure (TN_DUR) are also cleared.
lm_clrparm( )	· clear learn mode parameters structure (LM_PARM) for the lm_LearnTone( ) function
lm_LearnTone( )	· initiates learn mode to characterize a tone that occurs on the specified channel and to obtain the complete tone description for use with global tone detection or call progress analysis

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