ADTRAN's Total Access DSLAMs have been deployed by many Tier 2 and 3 telcos as well as the incumbents AT&T and Telstra, but the platform's support for high-speed transport is late and the vendor remains a niche player in the overall DSLAM market. 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.