SoGEA Broadband: What UK Businesses Must Know Before 2027

What Is SoGEA?

SoGEA (Single Order Generic Ethernet Access) is a broadband-only product that delivers FTTC (fibre to the cabinet) internet access without requiring a traditional PSTN telephone line. Before SoGEA, standard FTTC broadband required a working copper phone line as a physical prerequisite — you ordered the broadband and the line together, even if you had no intention of using the phone service.

SoGEA changes this. It uses the same Openreach copper infrastructure as standard FTTC but is ordered and provisioned as a standalone broadband product. You do not need a phone line to get it, and you do not pay for a phone line you are not using.

Why SoGEA Matters for UK Businesses

The PSTN Switch-Off

BT Openreach is switching off the UK's entire Public Switched Telephone Network (PSTN) and ISDN infrastructure by the end of 2027. After this date, traditional copper phone lines will no longer function. Any business still dependent on a PSTN phone line — whether for calls, broadband, or services like alarms and card terminals that use phone lines — must migrate before the deadline.

SoGEA is part of the migration pathway. Businesses currently on FTTC broadband with a bundled phone line can migrate to SoGEA to remove the dependency on the phone line, then adopt VoIP telephony for their voice calls. This is a more straightforward transition than a full infrastructure change for businesses that are not yet ready to move to FTTP or a leased line.

Cost Savings

Removing the phone line rental element from a broadband package typically saves £10–£15 per month. Over a 36-month contract, this represents a saving of £360–£540. For businesses with multiple sites, each with a PSTN line bundled into the broadband, the savings compound.

SoGEA vs Standard FTTC Broadband

• Phone line required: Standard FTTC requires a PSTN phone line. SoGEA does not.
• Speed: Identical — SoGEA uses the same FTTC infrastructure and delivers the same speeds (up to 80Mbps download / 20Mbps upload, subject to distance from cabinet).
• Voice calls: SoGEA does not carry traditional voice calls. VoIP (e.g. a hosted PBX or Microsoft Teams Calling) must be used for business telephony instead.
• Cost: SoGEA is typically cheaper than a bundled FTTC + phone line package because the phone line rental component is removed.
• Availability: SoGEA is available across most of the Openreach FTTC network — roughly the same coverage as standard FTTC.

What Businesses Need to Do

Step 1: Audit Your Current Setup

Identify every service at your premises that relies on a PSTN copper phone line:

• Standard FTTC broadband (requires a PSTN line as a prerequisite)
• Desk phones and extension lines on a traditional PBX
• Alarm systems, fire detection, and security monitoring dialling out via a phone line
• EPOS/card payment terminals using a PSTN connection
• Fax machines
• Lifts with emergency phone calls

Each of these requires a migration plan before the PSTN switch-off.

Step 2: Plan Your Telephony Migration

For business telephone calls, VoIP is the replacement for PSTN. Options include:

• Hosted PBX (from £8–£20 per user/month)
• Microsoft Teams Calling (if you use Microsoft 365)
• SIP trunking if you have an existing PBX worth retaining

Step 3: Consider Whether FTTP Is a Better Option

If you are migrating from a PSTN-dependent FTTC connection, it is worth checking whether FTTP is available at your postcode. FTTP does not use the copper phone line at all and provides better speeds and more future-proof infrastructure. In areas where FTTP is available, migrating to FTTP (rather than SoGEA) at the same time as your PSTN migration may be the more sensible single step.

Is SoGEA a Temporary Product?

SoGEA is a transitional product designed to extend the life of FTTC infrastructure while the full-fibre rollout reaches more premises. As FTTP coverage expands, the expectation is that most businesses will eventually move to FTTP. SoGEA provides a migration path for businesses that are not in FTTP coverage areas or are not ready to make the jump to full-fibre immediately.

For businesses in areas where FTTP is already available, migrating directly to FTTP is the cleaner long-term choice — and in many cases, the pricing difference between FTTP and SoGEA is small enough to make FTTP the obvious selection.