| Publisher | Net to Net Technologies | ||
|---|---|---|---|
| Format | HTML & PDF | Date added | 14 Aug 2003 |
| Topics | Voice - Data Integration, DSL, T1, T2, T3 | ||
| Downloads | 2 | ||
Digital Subscriber Line (DSL) technology is rapidly emerging as the system of choice for transporting high-speed data over existing telephone lines to homes and businesses. Initial attempts of transporting data and telecommunications over the same lines include T1 and ISDN. ISDN (Integrated Services Digital Network) is a digital service that uses 64 Kbps channels for voice or data and a separate digital channel for signaling. ISDN is a dial-up service that required large deployments of expensive ISDN Central Office switches. This cost is passed along to the consumer in high fees for connection and use. Beyond cost, these ISDN networks were slow evolving and carriers found the equipment complicated to install, configure, and maintain. These digital technologies are well suited for a few applications, but they fall well short of the requirements of many environments. Voice networks were built with short hold times and multiple 64 Kbps channels. Therefore, these systems are not optimal for data transmission. Conversely, data networks are not well suited for transmitting voice because of transmission delays and unpredictable latency.
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