Acme Packet continues its lead position in the SBC market and fills in the low end with the Net-Net 3800. Vendor consolidation and renewed interest in targeting the U.S. market, however, will keep this segment very competitive in the short term. This report contains insight and analysis of the product or service strengths and weaknesses, list of buying criteria and how the product or service fares in each category, and a comprehensive table of product or service metrics and specifications. This report is useful for purchasers who need to evaluate products, or as a source of competitive intelligence for vendors.