Someone pointed at this useful presentation. Slide 9 compares the progress made by the two UK operators with regard to migration to NGN (see below). I must also add input on BT 21CN progress from Cisco (BT uses Cisco VoIP gateway as part of the project): “Commercial traffic between two major UK cities is progressing well”
• BT 21CN
– Roll out 2008 -2011
– 5500 exchanges.
– 100% of the population.
– 1 exchange in trial.
– Cost £10Bn
– 30M lines
– Ericson soft switch
– Huawei/Fujitsu MSAN.
– Ethernet backhaul
• Carphone Warehouse Networks NGN
– Roll Out 2006-2008
– 1650 exchanges.
– 86% of the population
– 1100 exchanges in service.
– Cost £200M
– 4 M lines.
– Sonus soft switch
– Huawei/Fujitsu MSAN
– Ethernet backhaul.