or there is a problem with cablelink from your chosen ISP - iy you pay all your money to an ISP and dont play your line rental seperately you are LLU's that means you are unbundled at the exchnager and on sperate rack on exchange - you need a link from your rack to the BT wholesale rack to enable the FTTC to work (that called cablelink and has a certain amount of capacity (if there is none or not enough or your provider needs to buy some more it will show as you can order ftttc (but you wont be able to fulfill it as the issue is not at the cab , its in the exchange between the BTW rack and your service provider unbundled kit) if you pay your line rental to BT still then the above is not relevant
That is almost all complete bunkum!
1) There is no such thing as LLU on FTTC. There is VULA, an Ofcom specification, and GEA used by all Openreach-based FTTC and FTTP providers is Openreach's product that implements VULA.
2) LLU (Local Loop Unbundling) is "unbundling" of the copper local loop to allow providers other than BT Wholesale to rent from Openreach the copper link to the user. This is not the same thing as the bundling of the phone and broadband services by the CP (Communications Provider). You are confused.
A bundle of line rental and broadband from the same LLU supplier still uses
the unbundled local loop.
3) The FTTC and FTTP broadband fibre services do indeed terminate on a distribution system at the fibre headend exchange, which is frequently not the same exchange as the PSTN phone service whether or not that phone service is the same CP as the ISP.
That termination equipment belongs to Openreach, not BT Wholesale. BT Wholesale have to buy cablelink provision from Openreach in exactly the same way as Sky, TalkTalk, Vodafone, Zen and perhaps a few others these days.
4) The payment or not of line rental to BT (Retail/Consumer or Business) is completely irrelevant.
5) The one place you are nearly right, but in fact wrong in what you say, is that the ISP needs to buy sufficient cablelink capacity at each GEA headend exchange.
If they don't, their customers will experience periods of congestion.
This is nothing at all to do with the availability of ports at the FTTC cabinet or the provision of a connection to the customer. Congestion can of course occur at other pinch-points within any ISPs backhaul.
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