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VOIP Solutions

PSTN & ISDN Switch Off​

In 2027, BT is switching off the legacy analogue copper network known as PSTN (Public Switched Telephone Network), to modernise the national infrastructure and provide fast and reliable internet for all. You no longer need to have a traditional office phone line and all calls can be made over the internet, using broadband. This new way of calling is referred to as VoIP (Voice over Internet Protocol).

PSTN & ISDN Switch Off

Act Now - The PSTN & ISDN Switch-Off is coming

What is the switch off?

The date the UK will switch off its PSTN & ISDN networks has been revised to 2027. This change is necessary to modernise the national infrastructure and provide fast and reliable internet for everyone.

This will impact all consumers, including businesses using traditional landlines and broadband, and will be replaced with modern equivalents such as VoIP, SoGEA (Single Order Generic Ethernet Access) and FTTP (Fibre to the Premises).

When is the switch off happening?

BT Openreach is more than halfway through its 5-year plan, with momentum significantly increasing. In September 2023, a stop-sell on all new PSTN and ISDN products was enforced.

The PSTN network will be shut down in 2027, and in subsequent months, many telephone exchanges will be phased out. To ensure your services are not disrupted, you will need to upgrade to a digital line that supports VoIP. This line provides better call quality, fewer faults, and is environmentally friendly.

Call ASL on 0345 862 0350 to see how we can help your evolution to digital.

BT announces 5-year plan for switch off

169 BT Exchanges stop purchase of ISDN

The switch off begins in selected areas

In September, Stop – Sell of ISDN starts

In December, the PTSN network is completely switched off

What are the alternatives?

VoIP

Many customers have embraced VoIP as it is cost effective, scalable, drives productivity, future-proof and allows you to make and receive calls from anywhere using any mobile device. We have a range of products to suit any budget:

  • PhoneLine+ – specifically designed to replace landlines for small business owners with simple needs
  • Microsoft Teams Direct Routing – unify all your communications onto one platform and on any mobile device
  • Gamma Horizon – companies looking for a cost-effective and easy to use cloud-based business telephony
  • RingCentral – feature rich cloud-based telephony system that can scale from 2 users to call centres

Internet Connectivity

Until recently, customers needed to have a traditional landline to deliver broadband. SoGEA offers a singular dedicated line for superfast internet connectivity and can also carry voice traffic through VoIP. Depending on geographic availability there are faster alternatives such as FTTP or dedicated Fibre Leased Lines.

How can we assist with the transition?

  • We carry out an initial discovery call to clarify your current setup
  • We provide consultation and a plan of action
  • We offer competitive pricing and quotes for any upgrades required
  • We can support you through the transition, ensuring your business does not stop

Telephony Insights

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