Calix Networks, which provides broadband systems and software that enable communications service providers (CSPs) to connect to their subscribers, announced terms for its IPO on Monday. The Petaluma, CA-based company plans to raise $76 million by offering 6.3 million shares at a price range of $11-13. At the mid-point of the proposed range, Calix Networks will command a market value of $439 million. The telecommunications company, which was founded in 1999 and booked $233 million in sales over the last 12 months, plans to list on the NYSE under the symbol CALX. Goldman Sachs, Morgan Stanley and Jefferies are the lead underwriters on the deal, which is expected to price on Tuesday, Mar. 23.