Tollbridge Technologies was a voice over broadband company founded in 1998 by Gary Tauss and Asher Waldfogel, cofounder of Redback Networks. Tollbridge was based in Santa Clara, California. Tollbridge made VoIP access gateways, residential gateways and management systems that provided class 5 circuit switch based telephone services over DSL and cable broadband access lines. Tollbridge gateways were sold to competitive local exchange carriers and cable companies. In 2000 Synergy Research market research showed Tollbridge was the leading supplier of voice over broadband equipment and Upside Magazine recognized Tollbridge as one of its Top 100 private companies. Tollbridge partnered with Arris Interactive to deliver the first VoIP cable system.

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