BayPackets has raised a $19.5 million second round of funding, led by Lucent Venture Partners. Other investors include Blueprint Ventures, Diamondhead Ventures, INC3 Ventures, Mentmore Ventures and previous investors TeleSoft Partners and Antillion Capital. Fremont, Calif.-based BayPackets has raised a total of $24 million and received a slight increase in valuation with this latest round. The company develops telecommunications software designed to help carriers with such tasks as real-time billing for voice services over their existing networks. See complete list.