Ofcom investigates BT and Three for failing to connect 999 calls

Ofcom is investigating BT and Three over cellular outages it mentioned had triggered “UK-wide disruption”, together with to emergency companies.

Hundreds of Three clients reported they were unable to make calls in June, whereas BT and EE clients had been hit by a similar outage in July.

The regulator mentioned it could study whether or not the cellular networks didn’t do sufficient to stop the issues.

Three mentioned in an announcement it was partaking with Ofcom. A BT Group spokesperson apologised to clients who had been affected.

“We’ll co-operate absolutely with Ofcom all through the investigation and apologise once more for any points attributable to this incident,” they mentioned.

In the meantime, Three mentioned it had “skilled disruption to voice companies following an distinctive spike in community site visitors triggered by a third-party software program configuration change”.

“For the reason that outage, we’ve engaged overtly with Ofcom and can proceed to cooperate absolutely with their investigation,” it mentioned.

Based on Ofcom, companies should take correct motion to establish dangers and put together for “something that compromises the provision, efficiency or performance of their community or service”.

It mentioned suppliers should additionally forestall “hostile results arising from any such compromises” – saying the place this occurs, they have to take steps to mitigate them.

“The significance of connectivity can’t be underestimated,” mentioned telecoms analyst Paolo Pescatore.

“All of us demand a strong and dependable connection at residence and out and about.”

He mentioned outages can happen regardless of “important efforts” to stop them – however mentioned there have to be “a simple course of to establish the problem and to study classes so it doesn’t occur once more”.

The incidents on the coronary heart of Ofcom’s investigation noticed hundreds of shoppers throughout BT and Three networks report issues with their cellular service.

On the time, Three instructed clients complaining of points making and receiving calls on 25 June it was experiencing “a problem affecting voice companies”.

This was not remoted to its personal community – it additionally triggered issues for patrons on networks that piggyback off of Three, corresponding to ID Cellular.

A month later, EE and BT clients complained of comparable points.

A authorities spokesperson mentioned on the time “communications suppliers have statutory obligations to make sure their networks and companies are appropriately resilient”.

Operators have beforehand confronted scrutiny over outages or points affecting peoples’ skill to make calls or contact emergency companies.

BT was fined £17.5m in July 2024 for a “catastrophic failure” of its emergency name dealing with service which led to hundreds of 999 calls not being related.

Three was ordered to pay £1.9m in 2017 after Ofcom discovered it might have prevented a problem that triggered a lack of service for patrons a 12 months prior.

It has since merged with Vodafone to kind the UK’s greatest cellular community, with 27 million clients.