The end of phones as we know them

 作者:韶玉     |      日期:2019-03-03 05:17:00
By Barry Fox AFTER 18 months of secret planning, BT is making the bold move of becoming the first national telecoms company to convert its phone network to run entirely on internet technology. The switch, which will cost £10 billion and take five years to complete, is expected to lead to a raft of new digital services and help link internet-based 3G cellphone networks into the fixed phone network. Instead of using telephone exchanges to direct individual voice calls on a point-to-point basis, the new network, to be called 21st Century Network (21CN),