The BT Web21C python SDK is a package which abstract the SOAP/WsSecurity stack from end users allowing them to write python code to access BT plethora of webservices directly.
You can use it to make phone calls, conference calls, send text messages (SMS) and locate people based on cell of origin data. I have a short introduction here http://rants.ekanem.de/2007/03/29/make-it-ring-with-python/ and the actual website is at http://web21c.bt.com/ -- Otu Ekanem http://www.ekanem.de
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