I use 10g instant client/SQL*Plus to connect to 9.2.0.7 without issue.

Tim Onions
Head Of Oracle Development
Phone: +44 (0) 1684 312364 ext. 364
Cell: +44 (0) 7736 634556
www.medquist.com

This electronic mail transmission contains confidential information
intended only for the person(s) named.
Any use, distribution, copying or disclosure by another person is strictly
prohibited.
If you are not the intended recipient of this e-mail, promptly delete it
and all attachments.

Oracle LazyDBA home page