COMMON STOCKUnderwriting Agreement • August 11th, 2000 • Avistar Communications Corp • Computer communications equipment • New York
1 EXHIBIT 10.15.1 AMENDMENT NO. 1 TO THE SERIES B PREFERRED STOCK PURCHASE AGREEMENT This Amendment No. 1 (the "Amendment") to the Series B Preferred Stock Purchase Agreement dated as of December 9, 1999, by and among Avistar Communications...Series B Preferred Stock Purchase Agreement • August 11th, 2000 • Avistar Communications Corp • Computer communications equipment • California
