IP TELEPHONY HAS crossed over from an emerging technology to the mainstream choice for business voice as user acceptance of IP telephony is high, with sales of IP lines in the first half of 2007 continuing to solidly outpace those of traditional lines as the move to IP telephony among businesses continues, according to high-tech market research firm In-Stat. "For IP telephony, the initial technical and operational challenges are behind it," said Norm Bogen, In-Stat research director, in a release. "ROIs are proving the economics to be solid, and the productivity gains associated with the technology are, and will continue...
