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ISDN VS T1 Both are Digital, T1 is 24 Channels ISDN is 2. Each Channel is 64K

ISDN = 2 Voice or 128Kbps

T1 = 23 Voice Channels or 1.5Mbps

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Q: Why T1 better than ISDN?
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Why was DSL developed?

It promised bandwidth equivalent to that of T1 but at a cost like that of ISDN or lower


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Both T1 and T3 are standard digital telephone carriers. They are designed to multiplex voice channels. T1 has a data rate of 1.544 Mbps and T3 has a data rate of 44.736 Mbps. So the answer is t3.


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Does T1 have more capacity than E1?

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What is N-isdn and B-isdn in detail please?

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A t1 line is a type of fiberoptic line that is used to provide internet access to those who use it. It is a high-tech method of providing internet and can deliver better speeds than many other methods.


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