In the US majority of wireline TDM lines are now NGN as is the case in Western Europe. Italy has the highest percentage component of NGN voice element, followed by France and the UK. Out of BRIC countries, China seems to have the most advanced wireline network. The three main Chinese carriers upgraded their networks to NGN six years ago.
In the US majority of wireline TDM lines are now NGN as is the case in Western Europe. Italy has the highest percentage component of NGN voice element, followed by France and the UK.