28th January 2017 at 04:58
#69971
Wallis Dudhnath
Guest
You can use ISDN (I.420) or xDSL connection to the Telephone Exchange. ISDN had traction many years ago. However, DSL technology is now used with the last mile, i.e. the local copper loop. At your premise you will need a DSL termination unit for connecting your device.