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The IT profession today is an open on that requires all sorts of players, and is probably uniquely relaxed when it comes to certification and licensing.

I recently hosted a voice over IP seminar in New York. On the taxi ride from LaGuardia to midtown, my driver mentioned that he was a student taking network classes.

Security is a tough issue. It's a lot safer and more convenient not to do something than to move forward if there is a security issue that can come back to haunt you. Consequently, security has recently become one of the major reasons given for delaying the implementation of VoIP, says one columnist.