http://telcoxchange.com/blog How To Buy Last Mile

Telecom carriers spend billions of dollars in building backbone networks; Last Mile in telecom industry is the last leg of connectivity from the backbone.

There are several technologies to deliver last mile depending up on capacity requirement:

• Plain Old Telephone Systems (POTS)



• ISDN, somewhat faster technology than regular phone service



• Digital Subscriber Line (DSL)



• Wireless



• Optical Fibre and its transmission technologies