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.Integrated-Services Digital Network Digital Subscriber Line (IDSL)
The always-on cousin of dial-up ISDN. IDSL delivers a symmetrical service of 144 kbit/s without the usage charges inherent to ISDN service.