69a2e071_nection_Speed_Comparison_Chart__1
[0] ISDN [2] 64 Kbps to 128 Kbps [3] Twisted pair [4] Not available everywhere but becoming more widespread. An ISDN line costs slightly more than a regular telephone line, but you get 2 phone lines from it. 56K ISDN is much faster than a 56K dialup line [1] 
Dedicated telephone line and router required.
Internet Connection Speed Comparison Chart
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