Calix Networks, which provides communications access systems and software that allow service providers (CSPs) to connect to their residential and business subscribers, filed on Friday with the SEC to raise up to $100 million in an initial public offering. The Petaluma, CA-based company, which was founded in 1999 and booked $215 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, for which pricing terms and timing were not disclosed.