Name

simvoice - SIP Voice call/Instant messaging converter (server)

Synopsis

simvoice -a < sphinx argument file > [options]

Availability

The binary and sources are available. The code was tested only on Linux but should be able to run on other Unix platforms.

Description

simvoice is a translator between SIP based audio call and SIP based instant messaging (IM). It allows a audio-based phone user to interact with a text-based IM user, via text-to-speech and speech-to-text conversion.

Features

Configuration

Options

-v
Print version information and exit.
-h
Print usage and exit.
-d category
Makes simvoice print out debugging information for the specified category. Current supported categories include all, sql, net, sdp, misc.
-p port
Use specified port number instead of default 5060 for SIP request waiting.
-t value
Use specified value as the threshold value for silence detection.

Example

$ simvoice -a sphinx.arg -p 6000 -d misc

will initiate simvoice with sphinx argument file [sphinx.arg], waiting port 6000 and debugging information in category [misc]

Notes

simvoice was only tested with sipc as a voice caller and an IM user, which uses external tool "ratmedia" in streaming.

See Also

sipc

Authors

Naoya Seta, at Department of Electrical Engineering, Columbia University

Acknowledgements

Prof. Henning Schulzrinne
Kundan Singh
Xiaotao Wu
at Columbia University, Department of Computer Science

Copyright

Copyright 1998-1999 by Columbia University; all rights reserved

Permission to use, copy, modify, and distribute this software and its documentation for not-for-profit research and educational purposes and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that the copyright notice and warranty disclaimer appear in supporting documentation, and that the names of the copyright holders or any of their entities not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. Use of this software in whole or in parts for commercial advantage and by for-profit organizations requires a license.

The copyright holders disclaim all warranties with regard to this software, including all implied warranties of merchantability and fitness. In no event shall the copyright holders be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.