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Voice API for Windows Operating Systems Library Reference — November 2003 161
change the frequency definition for a tone — dx_chgfreq( )
/*
* Set on Hook
*/
if ((dx_sethook( ddd, DX_ONHOOK, EV_SYNC )) == -1) {
/* handle error */
}
dx_close( ddd );
}
!
!!
! See Also
• dx_chgdur( )
• dx_chgrepcnt( )
• dx_deltones( )
• dx_initcallp( )