I still learnt a lot from the training and backup I received from O-Tel.
ADSL
Asymmetric digital subscriber line (ADSL) is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. It does this by utilizing frequencies that are not used by a voice telephone call.[1] A splitter - ormicrofilter - allows a single telephone connection to be used for...
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