1.4.3 Comparison to DSL-ISDN

In terms of speed, DSL is a better choice.  It comes in scalable technology with speeds ranging from 128Kbps to 1.5 Mbps, while ISDN generally come in two flavors 64Kbps and 128 Kbps. DSL utilizes the copper wiring already installed into business and homes, ISDN also utilizes copper wiring, but a special ISDN line must