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I'm looking to understand exactly what happens in the exchange to move a FTTC service from one ISP to another.
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FTTC is terminated at the street cabinet, at the exchange it is just another service using the fibre handover node, so if staying within same wholesaler at the exchange no difference. If moving to a provider with its own fibre handover link then you'll be remapped to join all the other customers on that bit of fibre.
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The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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Afternoon Andrew
Am I correct in thinking that by "remapping", you mean by software/listing, rather than any obvious physical work?
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Yep, the �circuits� virtual path is rewritten to point it towards the new ISP�s Home gateway.
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Thanks Andrew, but I'm none the wiser, so some context.
I booked a switch from Vodafone to BT for Wednesday. The phone line is switched but the broadband isn't. I'm still connected to Vodafone using their logon credentials & have a Vodafone IP address & speeds (38mbps as opposed to BT's 52). I cannot connect to BT either with their hub or my own router.
All I can get out of BT is the the switch is complete so they just want me to go through endless router reboots & answer the same old questions about extension wiring & master sockets. No one at BT is able to comprehend the issue, so I'm trying to establish what might have gone wrong.
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It is possible that there may have been a connection to different tie pairs in the cabinet ... and this may not have been successfully carried out by Openreach ...
Or maybe the remote build of the existing port hasn�t been correctly performed ...
Be strong and just carry out the tests they request, tell them it hasn�t resolved it and insist they arrange a �BOOST� visit from Openreach.
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Morning Zarjaz
Thanks for your earlier confirmation, regarding re-mapping.
Why would such a move from Vodaphone to BT, need a move of the tie pairs in the cabinet, presumably the PCP, given that very rarely is work needed in the FTTC?
I would have thought that your second explanation is much more likely; and if it is confusion with another existing connection, someone elsewhere on the PCP may be encountering problems.
Alternatively, if it has been initiated by BT as a totally new connection rather than a transfer, then there is the possibility of a new, unused tie pair being involved.
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Morning Eckie,
Well I agree that the 2nd idea of mine offered seems most plausible.
I can imagine a possible scenario where they are running out of spare ties, so the original got allocated to an awaiting order ... and then there�s a mistake made when connections are made at the cab (PCP)
But with no further detail from the OP ... we�re in the dark for now.
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Thanks - I had overlooked that strange queue disruption - if one is changing ISP.
Going to the back of the queue if all existing VDSL circuits in the FTTC are occupied.
Makes me very wary of changing ISPs without trying to get an update on the local FTTC situation - and contrary to the supposed ease of changing ISPs.
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Wait till you see the next engineer you see working at your cab outside, offer tea, ask how many ties are spare ... this doesn�t take into account stopped lines still going through non allocated ties ..
If the answer is, oh there�s 50 spare, feel reassured that your request should go through OK.
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Well according to the engineer, ISPs rent a number of ports in the cab, necessitating a move of cabling. He said in this instance the cable had been jumpered to BT but hadn't been disconnected from Vodafone.
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What a Jackanory!
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Well it's now working & he had nothing to gain from lying...
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Yes, you would be moved to a new fibre port in the pcp with a change of provider. The old one you had Vodafone on, will be turned off and then become free for future use by another customer when required.
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What a Jackanory!
You seem to have forgotten to post your explanation?
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Any moves from FTTC suppliers i've had from BT Wholesale ones or TTB backhaul have all been switched over just after midnight so unless we have engineers visiting cabs at 0:24am and 3am then there is no 'physical' work done as far as my cases.
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Any moves from FTTC suppliers i've had from BT Wholesale ones or TTB backhaul have all been switched over just after midnight so unless we have engineers visiting cabs at 0:24am and 3am then there is no 'physical' work done as far as my cases.
This is my experience as well.
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Not always, sometimes just the current port is reconfigured remotely.
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Yes, you would be moved to a new fibre port in the pcp with a change of provider. The old one you had Vodafone on, will be turned off and then become free for future use by another customer when required. That's certainly not the standard procedure. A switch of supplier requires no visit to the cabinet. OpenReach remotely reconfigure the existing port, usually in the middle of the night.
The OP seems to have had issues with his port being reassigned. In this situation the engineer will have called the DCOE, who probably configured a free port and the engineer rejumpered the line to the new port.
He then went to the OPs property and blurted out a bunch of "Utter and absolute hog-wash" about ISP's renting a set number of ports.
Can you imagine the issues that would cause?
If you wanted to switch ISP you may only have the choice of a single provider as everyone else has used all their ports.
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