What is the PSTN and ISDN switch off?

Updated: 20/05/2024. BT Openreach has announced that the Public Switch Telephone Network (PSTN) and Integrated Services Digital Network (ISDN) will be switched in by the end of January 2027. Meaning businesses need to think about moving to SIP and using VoIP or other cloud hosted voice solutions (if they haven’t done so already).

On-premise vs cloud telephony

Deciding whether you have your telephony in the cloud or on-premise is a tricky subject for many. Here’s the core advantages of each. Advantages of cloud telephony: Flexibility & scalability No heavy installation costs Quick and easy call management Advantages of on-premise telephony: More control within your company Stable voice quality Cheap to setup

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FAQs

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Updated: 20/05/2024.
BT Openreach has announced that the Public Switch Telephone Network (PSTN) and Integrated Services Digital Network (ISDN) will be switched in by the end of January 2027. Meaning businesses need to think about moving to SIP and using VoIP or other cloud hosted voice solutions (if they haven’t done so already).
Deciding whether you have your telephony in the cloud or on-premise is a tricky subject for many. Here’s the core advantages of each.

Advantages of cloud telephony:
- Flexibility & scalability
- No heavy installation costs
- Quick and easy call management
Advantages of on-premise telephony:
- More control within your company
- Stable voice quality
- Cheap to setup