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They are referred to same technologies.

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Posted by sagitraz

In many context they are said to be same.

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Posted by sagitraz

No both are same....

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Posted by eric

(HDSL) can be seen as a replacement for T1 and E1.So are same technologies.

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Posted by sagitraz

No, they are the same technologies.

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Posted by justfawad

No, they are the same technologies.

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Posted by justfawad