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Glossary

Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business.

Terminal Adapter (TA)

Used on an ISDN line, device that serves the same function as a modem on a normal analog telephone line. A terminal adapter is an external device that connects a PC or Mac to an ISDN circuit, allowing non-ISDN equipment to use ISDN.