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BT hooks up first 21CN customers
News The 21CN project is BT's plan to switch its copper circuit-switched networks to a single IP-based core infrastructure, with a price tag of £10bn over five years. The upgrade took place... [28 Nov 2006]
BT's 21CN: A rush job?
News The upgrade, which BT calls its 21st Century Network (21CN) will replace 16 national networks with one single IP network. BT will also meet its estimated date for the first migration to... [23 Nov 2006]
Cheat Sheet: BT's 21CN
Cheat Sheet It's the largest overhaul of BT's core network to date - instead of using traditional PSTN (pubic switched telephone network) lines to shunt traffic across the network, it's switching to a single, all-IP... [14 Nov 2006]
BT's 21CN: Upgrades to start in November
News BT is gearing up to shift some of its existing customers on to its brand spanking new all-IP network, known as the 21CN. BT's spokesman said: "For consumers and single site SMEs, it's... [04 Sep 2006]
Orange woos the mobile workforce
News True convergence will not come until next generation networking (NGN), which runs over IP rather than the current PSTN phone networks, becomes standard, said Ellis, adding it would be "way past 2008" before this happened. [15 Jun 2006]
Q&A: BT CTO Matt Bross
Comment Bross, appointed to BT in 2002 when he moved from US-based Williams Communications, is leading the nationwide 21st Century Network (21CN) project, in which BT will replace copper circuit-switched networks with a... [22 Sep 2005]
BT gets into video on demand
News BT's 21CN project will see its circuit-switched networks replaced with a single IP-based network. BT has announced it will use Microsoft's TV IPTV Edition software platform to deliver... [29 Jun 2005]
Is a bitter Marconi bitching about BT's chances?
News With 21CN, BT plans to replace a clutch of legacy networks with a single, IP-based one. In the wake of Marconi's surprise failure to be selected as one of BT's first batch of suppliers... [13 Jun 2005]
BT names buddies for £10bn 21CN
News Alcatel, Ciena, Cisco, Ericsson, Fujitsu, Huawei, Lucent and Siemens have all been selected to supply equipment and services that will allow BT to replace today's circuit-switched networks with a single... [28 Apr 2005]
BT's 21CN - 'We'll learn as we go'
News BT is planning to replace several existing circuit-based networks with a single IP-based one which it calls the 21st Century Network (21CN). But some in the City have expressed concerns,... [24 Feb 2005]
Leader: VoIP comes of age
Leader Voice over IP is hardly new. Yet recently these hurdles have been overcome for the most part and we're starting to see evidence of businesses taking up IP telephony in earnest. Perhaps the best example... [08 Feb 2005]
