EXHIBIT 99.3 TENDER AND VOTING AGREEMENT TENDER AND VOTING AGREEMENT dated as of November 5, 2002 (this "Agreement"), among Enghouse Systems Limited, an Ontario corporation ("Parent"), Syntellect Inc., a Delaware corporation (the "Company"), and the...Tender and Voting Agreement • November 13th, 2002 • Wynnefield Partners Small Cap Value Lp • Telephone & telegraph apparatus • Delaware
