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Digital Voice (or VoIP) is a fait accompli. I don't see any amount of lobbying slowing it down much, for a several reasons. Firstly, It's essentially for BT to be able to replace copper connections with fibre to allow provision of Gigabit broadband. BT and other companies rolling out fibre will say the government is pushing them to provide fast internet connectivity. (I don't see that as a political issue  Boris Johnson initiated Gigabit broadband projects, at one time aiming for all by 2025, and Corbyn was promising free fibre broadband, although with a more realistic date of 2030.) https://www.gov.uk/government/news/work-begins-on-first-major-broadband-upgrade-under-5-billion-project-gigabit https://labour.org.uk/press/british-broadband-labour-sets-out-mission-to-connect-communities-across-britain-by-delivering-free-full-fibre-broadband-for-all/ Secondly, the existing equipment the public switched network operates on is aging and will become difficult to maintain or impossible to replace - and some copper wire on the local loop was probably installed over 100 years ago (BT will make money recovering that copper and selling it). Hence, the  network will become less reliable in a few years. (Granted VoIP on FTTC/VDSL circuits isn't likely to be that reliable. My Plusnet broadband is often interrupted; I hope that's caused by work installing fibre …). Thirdly, keep in mind this conversion isn't just happening in the UK, it's happening world wide, so the market for PSTN/ISDN switches has shrunk - if not completely disappeared yet - and, in turn, so has their availability. Telcos like BT no longer make money out of PSTN now private individuals' voice calls can be made for free or very cheaply using WhatsApp, Skype, Zoom, various VoIP, or mobiles services, and most large businesses and probably many medium sized ones have already installed VoIP systems. In my opinion any lobbying should focus on improving the installation of VoIP: providing battery backups where, assisting in liaising with care or other alarm providers where needed, being persuaded to support wired extensions to existing, multiple analogue phones, etc. I saw a recent statement from BT where they described themselves as "the UK's largest provider of fixed-line broadband and mobile services in the UK" - no mention of 'phone' services. I'm not saying this is necessarily good, just indicating where realistic lobbying is likely to be effective. Mr Google tells me a host of European countries such as the Netherlands, Estonia, and Germany have switched to IP phone networks, with Norway, Spain and Portugal not far behind. Further afield, Singapore has already switched off PSTN, with Japan and Australia targeting completion dates within the next 2-3 years. [1 Aug 2023]
https://www.yay.com/blog/voip/global-pstn-switchoff-learnings/#:~:text=A%20host%20of%20European%20countries,the%20next%202%2D3%20years. And it's happening (or happened?) in the US too (only they called it POTS - the plain old telephone system):
https://www.comrex.com/news/the-great-switch-off-pots-isdn-shutdown-imminent-in-2022/

Michael Ixer ● 603d

Thanks, Philippa, interesting listening, and also interesting that BT didn't want to appear to present their case. I see Think Broadband have published a follow up to this: https://www.thinkbroadband.com/news/9679-pstn-switch-off-hiccups-still-causing-problems-for-the-public Listening to this programme, in my opinion the technology isn't the main problem here, it comes down to the reasons many IT projects disappoint or sometimes fail completely: insufficient planning, communications and training. This seems to be compounded by the way BT marketing has packaged a generic technology, Voice over IP (VoIP), into their own product: Digital Voice (DV). For reasons known to themselves this stipulates that cabled extension phones are not supported and any extensions are provided either by BT's wireless DV Adaptors or a DECT system plugged into the phone socket on the BT Hub. Firstly, my perception from the programme is that planning seems to be focused on just providing a switch from PSTN to DV in "ideal" circumstances. It seems to have limited capability for the installations where difficulties arise because of poor wireless transmission to extensions, where a hub is located in a position that has difficult or inconvenient access for a phone to be plugged directly into it and where other exceptions such care alarms or special handsets must be catered for. The plans seem inadequate in highlighting those customers who are vulnerable and may need additional support and assistance. (I'd also wonder if the installers are alloted a time for each setup and might be penalised or have additional paperwork if that time is exceeded so might do the minimum additional work or a quick "fix" where exceptions occur?) Secondly, communications between consumers, installers and service staff seems to be inadequate in dealing with exceptions and vulnerable customers, and ensuring they are provided with a safe, reliable and easy to use service. It sounds like too much bias is put on pushing the marketing message rather than listening to customer concerns? Thirdly, the training doesn't seem to have covered how installation and support staff should deal with vulnerable customers and other exceptions. I also sense that OpenReach training of their installers has been limited to providing a minimal solution corresponding with the marketing constraints rather than what is technically possible. (I can see reasons for that in order to keep control over the solution but there should be a senior technician with in-depth knowledge who can override that when it can be shown a customer needs a more flexible setup. ) Finally, there seems to be no technical reason why existing phone extensions can't be supported, as this Think Broadband article discusses: https://www.thinkbroadband.com/guides/digital-voice-pstn-switch-off-and-telephone-extensions My initial reaction to the case raised in the You and Yours programme was the same as that of the Think Broadband interviewee; just install a long extension cable from the BT Hub to the existing phone with big buttons - and make sure it's neatly secured so it's not a trip hazard- job done! As the Think Broadband article indicates, in theory with some small changes to cabling existing extension phones can be supported. Some words of caution: one - I don't know if that breaches the BT customer agreement; two - I'm not sure if, because they don't support extensions, BT publishes the REN¹ of their Hub so it may be difficult to ascertain how many extension phones a BT Hub can support . For some it might be worth considering a different VoIP provider and service to BT's Digital Voice. Alternative suppliers might be more amenable to connecting extensions to a router but that's obviously adding another possible complexity. (Although if one's broadband fibre is supplied by a company other than BT - for example, City Fibre - that's likely to be the case anyway.) The other consideration is whether one can transport one's landline phone number from BT to an alternative VoIP provider. Ofcom's advice says it is only a problem if you're also moving home as well although I thought there were sometimes technical issues but perhaps they've been resolved now. https://www.ofcom.org.uk/phones-telecoms-and-internet/advice-for-consumers/costs-and-billing/switching/switching-landline There is also an Ofcom summary about the change to VoIP: https://www.ofcom.org.uk/phones-telecoms-and-internet/advice-for-consumers/future-of-landline-calls However, in fairness to BT, my perceptions are based on complaints in programmes such as You and Yours; perhaps there are many installations for vulnerable customers that work successfully so never get publicity (although it's interesting that BT didn't want the opportunity to say that on the radio). I also understand OpenReach are under a lot of political and commercial pressure to provide gigabit fibre broadband to as many of us as possible by the end of this decade. (I must admit I'm one of those who longs to have a decent fibre connection to my home rather than the lash up of fibre to the cabinet and "very high bandwidth" digital subscriber line (VDSL) - sometimes not very high - over the PSTN copper to my home.) Perhaps those pressures may have caused the issues with planning, communications and training? ¹REN: Ring Equivalence Number - https://en.wikipedia.org/wiki/Ringer_equivalence_number

Michael Ixer ● 617d