SoundBite Communications Inc., a Burlington, Mass.-based provider of on-demand automated voice messaging solutions, has filed for a $69 million IPO. It plans to trade on the Nasdaq under ticker symbol SDBT, with Cowen & Co. and Thomas Weisel Partners serving as co-lead underwriters. The company has raised around $30.4 million in VC funding since 2000, from firms like North Bridge Venture Partners (46.2% pre-IPO stake), Mosaic Venture Partners (20.9%), Commonwealth Venture Capital (16.5%) and Venture Capital Fund of New England (9.9%). www.soundbite.com