A standardized telecommunications services within the Integrated Services Digital Network (ISDN) is often referred to as a high-speed digital connection. Operating over a digital circuit, it offers multiple channels for simultaneous voice, data, and video transmission. For example, in North America and Japan, this connection typically provides 23 bearer channels, each capable of transmitting data at 64 kilobits per second, along with one data channel for signaling and control information.
The implementation of this digital pathway allows for enhanced communication capabilities compared to traditional analog lines. Its advantages include improved voice quality, faster data transfer rates, and the ability to support a range of applications, from basic telephony to sophisticated video conferencing. Historically, it represented a significant advancement in telecommunications infrastructure, paving the way for more efficient and integrated communication networks.