Intel 05-1832-002 User Manual

Voice API for Windows Operating Systems Library Reference — November 2003

return the duration of the first SIT sequence — ATDX_FRQDUR( )

ATDX_FRQDUR( )

return the duration of the first SIT sequence

! Description

The ATDX_FRQDUR( ) function returns the duration of the first Special Information Tone (SIT)
sequence in 10 msec units after

dx_dial( )

terminated due to an Operator Intercept.

Termination due to Operator Intercept is indicated by

ATDX_CPTERM( )

returning CR_CEPT.

For information on SIT frequency detection, see the Voice API Programming Guide.

! Cautions

None.

! Errors

This function fails and returns AT_FAILURE if an invalid channel device handle is specified.

! Example

This example illustrates ATDX_FRQDUR( ),

ATDX_FRQDUR2( )

, and

ATDX_FRQDUR3( )

/* Call progress analysis with user-specified parameters */

#include <stdio.h>

#include <srllib.h>

#include <dxxxlib.h>

main()

{

int cares, chdev;

DX_CAP capp;

Name:

long ATDX_FRQDUR(chdev)

Inputs:

int chdev

•

valid channel device handle

Returns:

first 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( )