The end of the line for phone numbers?
By Michael Reilly Phone numbers as we know them may be on their way out. Telecommunications firms lease numbers to users for a fee, earning them millions of dollars in revenue. But that could be about to change, at least for internet calls, thanks to a numbering directory called Freenum. The service provides numbers free of charge for use on the Session Initiation Protocol (SIP), which handles most online calls. Internet telephony has become increasingly popular in recent years,