1D encoding
2D encoding

A3
A4
ADI service
   Establishing a call
   NaturalFax Services
   Opening Services
adiAnswerCall
ADIMGR
adiStartCallProgress
adiStartToneDetector
AG boards
   Configuring AG Boards
   Modifying the board keyword file
   NaturalFax DSP requirements for AG 2000 and AG 4000 boards
ASCII text file

B4
board keyword files
   Modifying the board keyword file
   Sample board keyword files

call control
call establishment
caller demonstration program
CG boards
   Configuring CG Boards
   Modifying the board keyword file
   NaturalFax DSP requirements for CG boards
CNG tone
completion events
configuration
   configuring AG Boards
   configuring CG Boards
   Modifying the Natural Access configuration file
   Overview of configuring NaturalFax
   Sample board keyword files
confirmation events
contexts
cover pages
cta.cfg
   Modifying the Natural Access configuration file
   Tracing NaturalFax Applications
CTA_EVENT
ctaCloseServices
   Closing Natural Access services
   nfxDestroyQueue
ctaCreateContext
ctaCreateQueue
ctaInitialize
   Initializing NaturalFax
   Tracing NaturalFax Applications
ctaOpenServices
ctaSetTraceLevel
ctavers
ctaWaitEvent
ctdaemon
   Initializing NaturalFax
   Modifying the Natural Access configuration file
   Tracing NaturalFax Applications

data structures
   NFX_CONVERT_PARMS
   NFX_DOC_PARMS
   NFX_RECEIVE_PARMS
   NFX_TRANSMIT_PARMS
   Overview of NaturalFax data structures
DCN frame
demonstration programs
   Receiving a fax: nfxrecv
   Sending a fax: nfxsend
   Summary of the demonstration programs and utilities
   Using voice and fax: caller
   Using voice and fax: faxback
disconnect frame
document queue functions
   nfxCreateQueue
   nfxDestroyQueue
   nfxEnqueueDoc
   nfxResetQueue
document queues
   Document queues functions
   Tearing Down or Resetting a Document Queue
   Using document queues
DSP requirements
   NaturalFax DSP requirements for AG 2000 and AG 4000 boards
   NaturalFax DSP requirements for CG boards

encoding format
environment variables
   Setting environment variables under UNIX
   Setting environment variables under Windows
error handling
errors
   Alphabetical error summary
   Numerical error summary
event queues
events
   Completion events
   Confirmation events
   Informational events
   Overview of events

fax and voice application
fax application
   A typical fax application
   Fax application overview
fax protocols
FAX service
   NaturalFax Services
   Opening Services
fax session termination
faxback demonstration program
FAXMGR
functions
    document queues
       nfxCreateQueue
       nfxDestroyQueue
       nfxEnqueueDoc
       nfxResetQueue
    fax and voice application
    fax application
    image formats
       nfxCheckTIFF
       nfxConvertFileDirect
    pages of a document
       nfxMergeFile
       nfxSplitFile
    polling
    receive a fax
    send a fax
    status
       nfxGetDocStatus
       nfxGetSessionStatus
    stop a fax
FXM service
   NaturalFax Services
   Opening Services

Group 3 protocol

image conversion
   Performing offline image conversion
   Performing online image conversion
image format
   Image format characteristics
   Image format conversion functions
   nfxCheckTIFF
   nfxConvertFileDirect
   Options for storing and converting image data
informational events
International Telecommunications Union (ITU)
ITU
IVR
   Maximizing ports for fax transmission
   Maximizing universal ports

MMR encoding
modem metrics

Natural Access configuration file
Natural Access environment
Natural Access Server (ctdaemon)
NaturalFax
   NaturalFax definition
   Overview of configuring NaturalFax
   Verifying NaturalFax
NFX service
   NaturalFax Services
   Opening Services
NFX_CHECK_STATUS
   nfxCheckTIFF
   Status structures
NFX_CONVERT_PARMS
   NFX_CONVERT_PARMS
   nfxConvertFileDirect
NFX_DOC_PARMS
   NFX_DOC_PARMS
   nfxEnqueueDoc
   Performing online image conversion
NFX_DOC_STATUS
   Monitoring fax session status
   nfxGetDocStatus
   Performing online image conversion
   Status structures
NFX_ENCODE_XXXX
NFX_FAX_STATUS
   Monitoring fax session status
   nfxGetSessionStatus
   Overview of modem metrics
   Overview of sub-addressing
   Performing online image conversion
   Status structures
NFX_OTF_XXXX
   NFX_TRANSMIT_PARMS
   Performing online image conversion
NFX_PAGE_WIDTH_XXX
NFX_RECEIVE_PARMS
   NFX_RECEIVE_PARMS
   nfxReceiveFax
   nfxSendFax
   Performing online image conversion
NFX_RESOLUTION_XXX
NFX_TRACE_XXX
NFX_TRANSMIT_PARMS
   NFX_TRANSMIT_PARMS
   nfxAnswerFaxPoll
   nfxSendFax
   Performing online image conversion
nfxAnswerFaxPoll
nfxcheck utility
nfxCheckTIFF
nfxcnvrt utility
nfxConvertFileDirect
nfxCreateQueue
nfxdef.h
   Alphabetical error summary
   Overview of NaturalFax data structures
nfxDestroyQueue
nfxEnqueueDoc
NFXERR_XXXX
   Alphabetical error summary
   Numerical error summary
NFXEVN_DOC_END
NFXEVN_PAGE_END
NFXEVN_POLLED
NFXEVN_SESSION_DONE
   Completion events
   Transmitting Faxes
NFXEVN_XXXX
nfxGetDocStatus
nfxGetSessionStatus
NFXHEADERFONT
nfxmerge utility
nfxMergeFile
NFXMGR
nfxReceiveFax
nfxrecv demonstration program
nfxResetQueue
nfxsend demonstration program
nfxSendFax
nfxsplit utilty
nfxSplitFile
nfxStopSession
nfxtxttf utility
NMSTEXTFONT
non-standard facilities frame

OAM service
OAMMGR
offline image conversion
on-the-fly image conversion
online image conversion
OTFmode parameter
   Image Conversion During Fax Transmission
   NFX_TRANSMIT_PARMS

page width format
pages of a document
   Managing pages and document contents functions
   nfxMergeFile
   nfxSplitFile
   Performing offline image conversion
parameter structures
   NFX_CONVERT_PARMS
   NFX_DOC_PARMS
   NFX_RECEIVE_PARMS
   NFX_TRANSMIT_PARMS
polling
ports
PRI (procedure interrupt request)

QDIMGR

receive a fax
   Transmit and receive documents functions
   Transmitting and receiving faxes
receive queues
resolution format

sample.tif
send a fax
   Transmit and receive documents functions
   Transmitting and receiving faxes
send queues
services
    closing
    opening
signal to noise ratio (SNR)
   Overview of modem metrics
   Signal to noise ratio (SNR)
   Using SNR and TCF together
SNR (signal to noise ratio)
   Overview of modem metrics
   Signal to noise ratio (SNR)
   Using SNR and TCF together
status information
   nfxGetDocStatus
   nfxGetSessionStatus
   Status monitoring functions
status monitoring
   Monitoring fax session status
   nfxGetDocStatus
   nfxGetSessionStatus
status structures
structures
sub-addressing
   Overview of sub-addressing
   Using sub-addressing

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