User talk:Kbrose

PSTN switch-off
I see you've move the PSTN switch-off article to "copper network switch-off". It's not; all reliable sources are describing it as a total switch-off of the PSTN, which it is, in every meaningful sense. See, ,. Good old-fashioned E.164 telephony will continue, but it won't be carried in the traditional way, either over the core network or last mile; everything will be IP.

Note this goes way beyond just switching off analog voice; ISDN2 and B-ISDN are going, too. The key aspect here is that the PSTN is switched; it consists of copper phone lines and TDM trunks (which include ISDN and B-ISDN, PDH, and SDH, and even in some sense ATM [ugh]), both of which support switched, dedicated, constant-bandwidth channels. Once TDM and copper baseband are all gone, there's nothing to switch, and hence no PSTN. Public telephony will continue as before in the form of E.164-addressed VoIP, but it won't be switched anymore.

However, the copper access network is not going away just yet; substantial ADSL last mile connectivity will continue for a long time, until Openreach have replaced it all with first FTTx, and eventually FTTP.

So it's the switched network service (PSTN) that's going, not the copper (just yet).

Can you move the article back, please? 2A00:23C8:72A8:E001:DF46:CAB9:102C:4B0 (talk) 14:33, 14 October 2023 (UTC)

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