When Going VoIP-Only, Does One Still Need Cellular Voice Service?
Even considering how easy it is to find data plans with room to spare on them, is it practical for the average SMB to go VoIP-only? We investigated the feasibility of cutting voice service entirely by testing the T-Mobile/Wal-Mart prepaid plan. It offers 5Gigs of 4G data on T-Mobile's HSPA+...