| Filed On | Filing |
|---|---|
| 14 Nov 2012 | NT 10-Q |
| 17 Jun 2002 | NOTIFICATION OF LATE FILING FOR APRIL 30, 2002 |
| 15 Jun 2001 | VTEL CORPORATION'S 4302001 12B25 FILED 6152001 |
| 17 Mar 1999 | NOTIFICATION OF LATE FILING FOR VTEL'S 10-Q |
| 17 Mar 1998 | FORM 12B-25 FOR 10Q |
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