What is the PSTN switch off?
The UK’s traditional landline phone network, known as the PSTN, is being switched off and replaced with digital phone services that run over broadband. The legacy network is due to be retired by 31 January 2027.
When is the PSTN switch-off happening?
BT first announced plans to retire the PSTN network in 2017. The current industry retirement date is 31 January 2027.
Before this deadline, telecom providers will gradually move customers from traditional landline services to digital phone services.
How does this affect me?
If you currently use a traditional landline phone service, it will eventually need to move to a digital phone service.
Digital Voice works differently from traditional landlines because calls are made using your broadband internet connection.
This means your phone handset will normally connect to your router rather than the wall phone socket.
Can I keep my existing phone number?
In most cases, yes. Your existing phone number can usually be transferred when moving to a digital phone service.
Do I need broadband to use Digital Voice?
Yes. Digital Voice services use your broadband connection, so an active broadband service is required.