Hi,

Maybe you can use these for debugging purpose.


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CallTTY 1.10
(See software and schematics)
http://www.dxsoft.com/en/products/calltty/

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The tool TTY Angel:

Manual:
http://www.ciscounitytools.com/HelpFiles/TTYAngel.htm
Download:
http://www.ciscounitytools.com/App_TTYAngel.htm

* * *

ActiveX Controls.

(See Online doc and Trial copy download).

http://www.tapiex.com/ToneEncoder.htm
http://www.tapiex.com/PhoneToneDecoder.htm


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Best regards,

Luciano