RE: Dazpink29 Nov 2021 22:00
"Do you mean System x, all can be done away with if fibre is only deployed"
The PSTN Network/Exchanges will be switched off at the end of 2025, so all the voice will migrate onto VOIP and carried via IP on BT's Router/Switch Network, including the customers fed via FTTC. As FTTP is rolled out, with BT now saying 25 million premises passed by the end of 2026, customers will move from FTTC onto FTTP. Once everyone is fed via FTTP, the access network will be mainly made up of OLT's at the head end sites, ONT's at the customer premises, and passive Fibres and splitters in between. The move to FTTP will mean that most of the smaller Exchanges will be closed, rather than repurposed, with the remaining sites terminating the FTTP connections, and housing access Routers that will feed into centralised core routers via DWDM.
As pointed out, BT entered into a sale and lease back agreement with Telereal Trillium in 2001 involving 6,700 properties. Out of those original 6700 buildings approximately 5,600 are still operational, from what I've read, but BT plan to hand back the majority leaving around 1000 Openreach Handover Points. BT results state that BT is currently carrying a total Net Debt of £18.241 Billion, comprising of £5.988 Billion Lease Liabilities and £12.253 Billion Net Financial Debt. If the Lease liabilities reduce as buildings are handed back to Telereal, then this should bring down the Net Debt accordingly, and BT/Openreach will also reduce their operating costs massively at the same time. Overall the move to FTTP reduces the number of buildings, street cabinets, power requirements, Debt, Operational and Maintenance costs, etc, etc. BT's revenue might not increase dramatically on the back of FTTP, but their margins will increase massively. Winner Winner Chicken Dinner.
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