http://www.ietf.org/rfc/rfc2806.txt
tel: fax: and modem: (dunno if all are implemented in PIE)
also mailto: (sends mail)
offical list of schemes (what the tel: is, after all!)
http://en.wikipedia.org/wiki/URI_sch...stered_schemes
And this interesting article:
http://www.codeguru.com/cpp/com-tech...ticle.php/c37/
and
http://msdn.microsoft.com/library/de...tml/iece30.asp
See Asynchronous Pluggable Protocols
Have a blast
