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Voice API for Windows Operating Systems Library Reference – November 2003 5
Contents
dx_createtone( ) – create a new tone definition for a specific call progress tone. . . . . . . . . . . . 179
dx_deletetone( ) – delete a specific call progress tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
dx_deltones( ) – delete all user-defined tones . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
dx_dial( ) – dial an ASCIIZ string . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
dx_distone( ) – disable detection of a user-defined tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
dx_enbtone( ) – enable detection of a user-defined tone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
dx_fileclose( ) – close a file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
dx_fileerrno( ) – return the system error value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
dx_fileopen( ) – open a file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
dx_fileread( ) – read data from a file. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
dx_fileseek( ) – move a file pointer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
dx_filewrite( ) – write data from a buffer into a file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
dx_getcachesize( ) – get size of on-board memory for cached prompts . . . . . . . . . . . . . . . . . . 219
dx_getctinfo( ) – get information about a voice device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
dx_getcursv( ) – return the specified current speed and volume settings . . . . . . . . . . . . . . . . . 223
dx_getdig( ) – collect digits from a channel digit buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
dx_GetDllVersion( ) – retrieve the voice DLL version number . . . . . . . . . . . . . . . . . . . . . . . . . . 232
dx_getevt( ) – monitor channel events synchronously . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
dx_getfeaturelist( ) – retrieve feature support information for the device . . . . . . . . . . . . . . . . . . 237
dx_getparm( ) – get the current parameter settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
dx_GetRscStatus( ) – return assignment status of a shared resource. . . . . . . . . . . . . . . . . . . . 245
dx_GetStreamInfo( ) – retrieve information about the circular stream buffer . . . . . . . . . . . . . . . 247
dx_getsvmt( ) – return the current speed or volume modification table . . . . . . . . . . . . . . . . . . . 249
dx_getxmitslot( ) – get TDM bus time slot number of voice transmit channel . . . . . . . . . . . . . . 252
dx_getxmitslotecr( ) – get echo cancellation resource transmit time slot number . . . . . . . . . . . 255
dx_gtcallid( ) – return the calling line Directory Number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258
dx_gtextcallid( ) – retrieve a caller ID message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
dx_gtsernum( ) – retrieve the board serial number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
dx_initcallp( ) – initialize and activate call progress analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
dx_libinit( ) – initialize the voice library DLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
dx_listen( ) – connect a voice listen channel to TDM bus time slot . . . . . . . . . . . . . . . . . . . . . . 277
dx_listenecr( ) – enable echo cancellation resource mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
dx_listenecrex( ) – modify characteristics of the echo canceller . . . . . . . . . . . . . . . . . . . . . . . . 283
dx_mreciottdata( ) – record voice data from two TDM bus time slots . . . . . . . . . . . . . . . . . . . . 286
dx_open( ) – open a voice device and return a unique device handle . . . . . . . . . . . . . . . . . . . . 292
dx_OpenStreamBuffer( ) – create and initialize a circular stream buffer . . . . . . . . . . . . . . . . . . 295
dx_pause( ) – pause on-going play . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
dx_play( ) – play recorded voice data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
dx_playf( ) – synchronously play voice data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
dx_playiottdata( ) – play back recorded voice data from multiple sources . . . . . . . . . . . . . . . . . 310
dx_playtone( ) – play tone defined by TN_GEN structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
dx_playtoneEx( ) – play the cadenced tone defined by TN_GENCAD. . . . . . . . . . . . . . . . . . . . 319
dx_playvox( ) – play voice data stored in a single VOX file . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
dx_playwav( ) – play voice data stored in a single WAVE file . . . . . . . . . . . . . . . . . . . . . . . . . . 327
dx_PutStreamData( ) – place data into a circular stream buffer. . . . . . . . . . . . . . . . . . . . . . . . . 330
dx_querytone( ) – get tone information for a specific call progress tone . . . . . . . . . . . . . . . . . . 333