IDSL is DSL at 144 kbps. IDSL uses ISDN transmission coding, bundling together both ISDN channels and voice all on one circuit. IDSL does not use any kind of dial up nor involve per-call fees. For those that live too far for regular DSL, IDSL may be the only DSL option. IDSL tends to be priced at a rather higher rate per bit of speed, than any regular DSL. IDSL can still be a very satisfactory solution for data transmission compared to the alternatives (modem), coping very well with online gaming, and medium quality streaming audio/video.

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