$ASUR 424B3 SEC Filings

Filed On	Filing
19 Apr 2024	424B3
19 Apr 2024	424B3
22 Apr 2021	424B3
22 Apr 2021	424B3
20 Jul 2001	FORM 424(B)(3) - 7/19/2001
23 May 2000	THIRD SUPPLEMENT - PROSPECTUS
27 Jan 2000	SECOND PROSPECTUS SUPPLEMENT
22 Jul 1999	FORM 424(B)(3) FOR VTEL CORPORATION
02 Jun 1999	PROSPECTUS FILED PURSUANT TO RULE 424(B)(3)-VTEL
13 Jan 1998	FORM 424B3
25 Apr 1997	DEFINITIVE FILING PROXY STATEMENT