Intel 05-1832-002 IP Phone User Manual


 
278 Voice API for Windows Operating Systems Library Reference — November 2003
dx_listen( ) — connect a voice listen channel to TDM bus time slot
!
!!
! Errors
If the function returns -1, use the Standard Runtime Library (SRL) Standard Attribute function
ATDV_LASTERR( ) to obtain the error code or use ATDV_ERRMSGP( ) to obtain a descriptive
error message. One of the following error codes may be returned:
EDX_BADPARM
Parameter error
EDX_SH_BADCMD
Command is not supported in current bus configuration
EDX_SH_BADEXTTS
TDM bus time slot is not supported at current clock rate
EDX_SH_BADINDX
Invalid Switch Handler index number
EDX_SH_BADLCLTS
Invalid channel number
EDX_SH_BADMODE
Function not supported in current bus configuration
EDX_SH_CMDBLOCK
Blocking command is in progress
EDX_SH_LCLTSCNCT
Channel is already connected to TDM bus
EDX_SH_LIBBSY
Switch Handler library busy
EDX_SH_LIBNOTINIT
Switch Handler library uninitialized
EDX_SH_MISSING
Switch Handler is not present
EDX_SH_NOCLK
Switch Handler clock fallback failed
EDX_SYSTEM
Windows system error
!
!!
! Example
#include <windows.h>
#include <srllib.h>
#include <dxxxlib.h>
main()
{
int chdev; /* Channel device handle */
SC_TSINFO sc_tsinfo; /* Time slot information structure */
long scts; /* TDM bus time slot */