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Chapter 8

Demonstration Programs and Utilities

8.1 Introduction

: Using Voice and Fax: caller 131
: Using Voice and Fax: faxback 133
: Receiving a Fax: nfxrecv 136
: Sending a Fax: nfxsend 138
: Verifying TIFF-F or TIFF-S Format: nfxcheck 140
: Converting TIFF-F or TIFF-S Files: nfxcnvrt 141
: Merging TIFF-F or TIFF-S Files: nfxmerge 143
: Splitting TIFF-F or TIFF-S Files: nfxsplit 144
: Converting ASCII Files: nfxtxttf 145

8.1 Introduction

This chapter describes the demonstration programs and standalone utilities provided with NaturalFax. Each program, when invoked from the command line without providing arguments, displays an example usage statement that describes the necessary arguments.
NaturalFax includes the following demonstration programs: Name Description caller Uses voice and fax functions to call a host system running faxback, then requests and receives a fax. faxback Uses voice and fax functions to receive a call, play a prompt menu, and respond to input by sending a fax to the caller. nfxrecv Receives a fax. nfxsend Sends a fax.
Source code is provided for nfxsend, nfxrecv, faxback, and caller. Note: The simplest and most direct NaturalFax demonstration programs are nfxsend and nfxrecv. Use them for a quick demonstration of basic NaturalFax image transfer capabilities.
NaturalFax includes the following utilities: Name Description nfxcheck Verifies the specified file is in TIFF-F or TIFF-S format. Retrieves its page format attributes, number of lines per page, and bad line indications. nfxcnvrt Converts an input TIFF-F or TIFF-S file to an output TIFF-F or TIFF-S file with the specified attributes for encoding, resolution, page width, and bad line management. nfxmerge Merges multiple TIFF-F or TIFF-S input files into a single TIFF-F or TIFF-S output file. nfxsplit Splits a single TIFF-F or TIFF-S file into multiple TIFF-F or TIFF-S files. nfxtxttf Converts an ASCII text file to a TIFF-F or TIFF-S file.

Name	Description
`caller`	Uses voice and fax functions to call a host system running `faxback`, then requests and receives a fax.
`faxback`	Uses voice and fax functions to receive a call, play a prompt menu, and respond to input by sending a fax to the caller.
`nfxrecv`	Receives a fax.
`nfxsend`	Sends a fax.

Name	Description
`nfxcheck`	Verifies the specified file is in TIFF-F or TIFF-S format. Retrieves its page format attributes, number of lines per page, and bad line indications.
`nfxcnvrt`	Converts an input TIFF-F or TIFF-S file to an output TIFF-F or TIFF-S file with the specified attributes for encoding, resolution, page width, and bad line management.
`nfxmerge`	Merges multiple TIFF-F or TIFF-S input files into a single TIFF-F or TIFF-S output file.
`nfxsplit`	Splits a single TIFF-F or TIFF-S file into multiple TIFF-F or TIFF-S files.
`nfxtxttf`	Converts an ASCII text file to a TIFF-F or TIFF-S file.

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