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Intel 05-1832-002 - page 168

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168 Voice API for Windows Operating Systems Library Reference — November 2003

dx_close( ) — close a channel or board device handle

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!See Also

•dx_open( )

Contents

Main Voice API for Windows Operating Systems Library Reference November 2003 Contents Page Page Page Page Page Tables Revision History This revision history summarizes the changes made in each published version of this document. Revision History Page About This Publication Purpose Intended Audience How to Use This Publication Related Information 1.1 Device Management Functions 1.2 Configuration Functions 1.3 I/O Functions Page 1.4 I/O Convenience Functions 1.5 Streaming to Board Functions 1.6 Analog Display Services Interface (ADSI) Functions 1.7 Audio Input Functions 1.8 Transaction Record Functions 1.9 Cached Prompt Management Functions 1.10 Call Status Transition (CST) Event Functions 1.11 TDM Routing Functions Page 1.12 Global Tone Detection (GTD) Functions 1.13 Global Tone Generation (GTG) Functions 1.14 R2/MF Convenience Functions 1.15 Speed and Volume Functions 1.16 Call Progress Analysis Functions 1.17 Caller ID Functions 1.18 File Manipulation Functions 1.19 Echo Cancellation Resource Functions 1.20 Structure Clearance Functions 1.21 Syntellect License Automated Attendant Functions 1.22 Extended Attribute Functions Page 1.23 Voice Function Support by Platform Page Page Page Page Page 2.1 Function Syntax Conventions ag_getctinfo( ) Page ag_getxmitslot( ) Page Page ag_listen( ) Page Page ag_unlisten( ) Page ai_close( ) Page ai_getxmitslot( ) Page ai_open( ) Page ATDX_ANSRSIZ( ) return the duration of the answer ATDX_ANSRSIZ( ) ATDX_BDNAMEP( ) Page ATDX_BDTYPE( ) Page ATDX_BUFDIGS( ) return the number of uncollected digits ATDX_BUFDIGS( ) dx_getdig( ) dx_clrdigbuf( ) ATDX_CHNAMES( ) Page ATDX_CHNUM( ) Page ATDX_CONNTYPE( ) Page ATDX_CONNTYPE( ) return the connection type for a completed call dx_dial( ) ATDX_CPTERM ( ) DX_CAP data structure ATDX_CPERROR( ) Page Page ATDX_CPTERM( ) Page Page ATDX_CRTNID( ) Page return the last call progress analysis termination ATDX_CRTNID( ) None. ATDX_DEVTYPE( ) Page ATDX_DTNFAIL( ) return character for dial tone ATDX_DTNFAIL( ) Page ATDX_FRQDUR( ) Page ATDX_FRQDUR2( ) Page ATDX_FRQDUR3( ) Page ATDX_FRQHZ( ) Page ATDX_FRQHZ2( ) Page ATDX_FRQHZ3( ) Page ATDX_FRQOUT( ) ATDX_FRQOUT( ) return percentage of time SIT tone was out of bounds ATDX_FWVER( ) Page ATDX_HOOKST( ) Page ATDX_LINEST( ) Page ATDX_LONGLOW( ) Page ATDX_PHYADDR( ) Page ATDX_SHORTLOW( ) Page ATDX_SIZEHI( ) Page ATDX_STATE( ) Page ATDX_TERMMSK( ) Page Page Page ATDX_TONEID( ) ATDX_TONEID( ) return user-defined tone ID that terminated I/O function Page ATDX_TRCOUNT( ) return the byte count for the last I/O transfer ATDX_TRCOUNT( ) None. dx_addspddig( ) Page Page Page dx_addtone( ) Page Page add a user-defined tone dx_addtone( ) Page dx_addvoldig( ) Page Page Page dx_adjsv( ) Page Page dx_blddt( ) Page Page dx_blddtcad( ) Page Page dx_bldst( ) Page Page dx_bldstcad( ) Page Page dx_bldtngen( ) Page Page dx_cacheprompt( ) Page Page dx_chgdur( ) Page dx_chgdur( ) change the duration definition for a tone Page dx_chgfreq( ) Page dx_chgfreq( ) change the frequency definition for a tone Page dx_chgrepcnt( ) Page dx_chgrepcnt( ) change the repetition definition for a tone dx_chgdur( ) Page dx_close( ) Page Page dx_CloseStreamBuffer( ) dx_CloseStreamBuffer( ) delete a circular stream buffer dx_OpenStreamBuffer( ) dx_GetStreamInfo( ) dx_clrcap( ) Page dx_clrdigbuf( ) Page dx_clrsvcond( ) Page dx_clrtpt( ) Page dx_createtone( ) Page Page Page dx_deletetone( ) Page Page dx_deltones( ) Page dx_dial( ) Valid Dial String Characters Page Asynchronous Operation Synchronous Operation Call Progress Analysis Page Page Page dial an ASCIIZ string dx_dial( ) analysis) progress analysis) ATDX_TERMMSK( ) (to retrieve termination reason for dx_dial( ) without call progress Page dx_distone( ) Page Page dx_enbtone( ) Page Page dx_fileclose( ) dx_fileclose( ) close a file dx_fileopen( ) dx_fileseek( ) dx_fileread( ) dx_filewrite( ) dx_fileerrno( ) Page Page dx_fileopen( ) open a file dx_fileopen( ) dx_fileclose( ) dx_fileseek( ) dx_fileread( ) dx_filewrite( ) dx_fileread( ) read data from a file dx_fileread( ) Page dx_fileseek( ) dx_fileseek( ) move a file pointer move a file pointer dx_fileseek( ) dx_fileopen( ) dx_fileclose( ) dx_fileread( ) dx_filewrite( ) dx_filewrite( ) write data from a buffer into a file dx_filewrite( ) Page dx_getcachesize( ) Page dx_getctinfo( ) Page dx_getcursv( ) Page Page dx_getdig( ) Page Page collect digits from a channel digit buffer dx_getdig( ) This example illustrates how to use dx_getdig( ) in asynchronous mode. dx_getdig( ) collect digits from a channel digit buffer dx_addtone( ) dx_setdigtyp( ) DV_DIGIT data structure Page dx_GetDllVersion( ) Page dx_getevt( ) Page Page dx_getfeaturelist( ) Page retrieve feature support information for the device dx_getfeaturelist( ) dx_getfeaturelist( ) retrieve feature support information for the device Page dx_getparm( ) Page Page dx_GetRscStatus( ) Page dx_GetStreamInfo( ) dx_GetStreamInfo( ) retrieve information about the circular stream buffer dx_OpenStreamBuffer( ) dx_getsvmt( ) Page Page dx_getxmitslot( ) Page Page dx_getxmitslotecr( ) Page Page dx_gtcallid( ) Page dx_gtcallid( ) return the calling line Directory Number Page dx_gtextcallid( ) Page dx_gtextcallid( ) retrieve a caller ID message ACLIP (Single Data Message) ACLIP (Multiple Data Message) CLIP JCLIP b All returns are NULL terminated. Figure 1. Format of General Caller ID Information Page Page Page dx_gtextcallid( ) retrieve a caller ID message Page dx_gtsernum( ) Page dx_initcallp( ) Page Page dx_libinit( ) dx_libinit( ) initialize the voice library DLL dx_listen( ) Page Page dx_listenecr( ) Page Page dx_listenecrex( ) Page modify characteristics of the echo canceller dx_listenecrex( ) dx_listenecr( ) dx_mreciottdata( ) Page Page Error from operating system; use dx_fileerrno( ) to obtain error value dx_mreciottdata( ) record voice data from two TDM bus time slots dx_rec( ) Page dx_open( ) Page Page dx_OpenStreamBuffer( ) dx_OpenStreamBuffer( ) create and initialize a circular stream buffer dx_CloseStreamBuffer( ) dx_SetWaterMark( ) dx_pause( ) Page dx_play( ) Page Page Page play recorded voice data dx_play( ) This example illustrates how to use dx_play( ) in asynchronous mode. dx_play( ) play recorded voice data play recorded voice data dx_play( ) Page dx_playf( ) Page Page dx_playiottdata( ) Page Page play back recorded voice data from multiple sources dx_playiottdata( ) dx_playiottdata( ) play back recorded voice data from multiple sources dx_playf( ) dx_playwav( ) dx_playvox( ) dx_setuio( ) dx_playtone( ) Page play tone defined by TN_GEN structure dx_playtone( ) Page dx_playtoneEx( ) Page Page dx_playtoneEx( ) play the cadenced tone defined by TN_GENCAD Page dx_playvox( ) Page Page dx_playwav( ) Page Page dx_PutStreamData( ) Page Page dx_querytone( ) Page Page dx_rec( ) Page Page Page dx_rec( ) record voice data from a single channel This example illustrates how to use dx_rec( ) in asynchronous mode. record voice data from a single channel dx_rec( ) Page dx_recf( ) Page record voice data to a single file dx_recf( ) Page dx_reciottdata( ) Page Page Page dx_recvox( ) Page Page dx_recwav( ) Page Page dx_ResetStreamBuffer( ) Page dx_resume( ) Page dx_RxIottData( ) Page This example illustrates how to use dx_RxIottData( ) in synchronous mode. Page dx_sendevt( ) Page dx_setchxfercnt( ) Page dx_setdevuio( ) Page install and retrieve user-defined I/O functions dx_setdevuio( ) dx_setuio( ) dx_setdigbuf( ) Page dx_setdigtyp( ) Page dx_setdigtyp( ) control the types of digits detected by the voice channel dx_setevtmsk( ) Page Page dx_setevtmsk( ) enable detection of call status transition (CST) events enable detection of call status transition (CST) events dx_setevtmsk( ) dx_setgtdamp( ) Page dx_sethook( ) Page dx_sethook( ) provide control of the hook switch status This example illustrates how to use dx_sethook( ) in asynchronous mode. Page dx_setparm( ) Page For Springware boards, the supported board parameter defines are shown in Table 13. Table 12. Voice Board Parameters (DM3) Table 13. Voice Board Parameters (Springware) Table 13. Voice Board Parameters (Springware) (Continued) Table 14. Voice Channel Parameters (DM3) Table 14. Voice Channel Parameters (DM3) (Continued) Table 14. Voice Channel Parameters (DM3) (Continued) Table 15. Voice Channel Parameters (Springware) Table 15. Voice Channel Parameters (Springware) (Continued) !Cautions A constant cannot be used in place of valuep. The value of the parameter to be set must be placed in a variable and the address of the variable cast as void * must be passed to the function. Table 15. Voice Channel Parameters (Springware) (Continued) Page Page dx_SetRecordNotifyBeepTone( ) Page dx_setsvcond( ) Page set conditions that adjust speed or volume of play dx_setsvcond( ) Page dx_setsvmt( ) Page change default values of the speed or volume modification table dx_setsvmt( ) Page dx_settonelen( ) dx_settonelen( ) change the duration of the built-in beep tone dx_playiottdata( ) Page dx_setuio( ) install user-defined I/O functions dx_setuio( ) dx_setuio( ) install user-defined I/O functions dx_cacheprompt( ) dx_playiottdata( ) dx_rec( ) dx_reciottdata( ) dx_SetWaterMark( ) Page dx_stopch( ) Page Page Page dx_TSFStatus( ) Page dx_TxIottData( ) Page Voice API for Windows Operating Systems Library Reference 425 transmit data on a specified channel dx_TxIottData( ) dx_RxIottData( ) dx_TxRxIottData( ) dx_TxRxIottData( ) Page Page start a transmit-initiated reception of data dx_TxRxIottData( ) Page dx_unlisten( ) Page dx_unlistenecr( ) Page Page dx_wink( ) Page dx_wink( ) generate an outbound wink This example illustrates how to use dx_wink( ) in asynchronous mode. Page dx_wtcallid( ) Page Page dx_wtring( ) Page Page li_attendant( ) Page li_attendant( ) perform the actions of an automated attendant perform the actions of an automated attendant li_attendant( ) li_islicensed_syntellect( ) li_islicensed_syntellect( ) nr_scroute( ) Page make a full or half-duplex connection nr_scroute( ) nr_scroute( ) make a full or half-duplex connection make a full or half-duplex connection nr_scroute( ) nr_scroute( ) make a full or half-duplex connection nr_scunroute( ) nr_scunroute( ) Page break a full or half-duplex connection nr_scunroute( ) nr_scunroute( ) break a full or half-duplex connection Page r2_creatfsig( ) Page Page Page r2_playbsig( ) Page Page play R2/MF backward signal tone r2_playbsig( ) r2_creatfsig( ) dx_blddt( ) dx_playtone( ) R2/MF Signaling in Voice API Programming Guide Page 3.1 Overview of Events 3.2 Termination Events Page 3.3 Unsolicited Events 3.4 Call Status Transition (CST) Events Call Status Transition Events on DM3 Boards Call Status Transition Events on Springware Boards Page Page Page ADSI_XFERSTRUC CT_DEVINFO DM3 Boards Page Springware Boards Page DV_DIGIT Page DV_TPT Page Page Page Page DV_TPT termination parameter table event. If tp_termno contains DX_TONEON, tp_data can specify termination after a tone-on termination parameter table DV_TPT Table 16. DV_TPT Field Settings Summary (Continued) Page DX_ATTENDANT Page Page DX_CAP call progress analysis parameters DX_CAP call progress analysis parameters DM3 Boards Springware Boards Page Page Page Page Page DX_CST Page DX_EBLK Page DX_ECRCT DX_IOTT Page input/output transfer table DX_IOTT DX_STREAMSTAT Page DX_SVCB Page Page DX_SVMT Page DX_UIO DX_XPB Page DX_XPB input/output transfer parameter block Table 18. G.721 Voice Coder Support Fields (DM3) Table 19. Linear PCM Voice Coder Support Fields (DM3) Table 20. OKI ADPCM Voice Coder Support Fields (DM3) Table 21. G.726 Voice Coder Support Fields (DM3) Page Page FEATURE_TABLE Page Page Page SC_TSINFO TN_GEN TN_GENCAD Page TONE_DATA Page Page Page Page Page Information 6.1 DTMF and MF Tone Specifications 6.2 DTMF and MF Detection Errors Supplementary Reference Information Table 29. Detecting MF Digits Table 30. Detecting DTMF Digits Supplementary Reference Information Table 30. Detecting DTMF Digits (Continued) Glossary Page Page Page Page Page Page Page Index A B C Page D Page Page E F G H I J L M N O P R S T U V W Z

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