Intel 05-1832-002 User Manual

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Voice API for Windows Operating Systems Library Reference — November 2003
85
return the duration of the third SIT sequence — ATDX_FRQDUR3( )
ATDX_FRQDUR3( )
return the duration of the third SIT sequence
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Description
The ATDX_FRQDUR3( ) function returns the duration of the third Special Information Tone 
(SIT) sequence in 10 msec units after 
 terminated due to an Operator Intercept.
Termination due to Operator Intercept is indicated by 
 returning CR_CEPT. 
For information on SIT frequency detection, see the Voice API Programming Guide
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Cautions
None.
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Errors
This function fails and returns AT_FAILURE if an invalid channel device handle is specified.
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Example
See the example fo
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See Also
 data structure
call progress analysis topic in Voice API Programming Guide 
 
Name:
long ATDX_FRQDUR3(chdev)
Inputs:
int chdev
valid channel device handle
Returns:
third frequency duration in 10 msec units if success
AT_FAILURE if error
Includes:
srllib.h
dxxxlib.h
Category:
Extended Attribute
Mode:
synchronous
Platform:
Springware 
Parameter
Description
chdev 
specifies the valid channel device handle obtained when the channel was opened 
using dx_open( )