Telekom, Vodafone, 1&1 also affected – cause known

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Of: Sophia Lother

Massive mobile phone interference paralyzes the network. How could this happen? O2 releases new information.

Update from Friday, November 18, 6:30 p.m.: Now it is clear what triggered the massive disruption in O2 mobile communications. The parent company Telefonica said on its website: “As part of construction work at a central network location, around 4 p.m. yesterday afternoon there was an interruption in the supply line to a voice system at the location that is responsible for switching telephone calls.”

Initially, a large part of the phone calls were mediated via the other servers of the mobile phone provider, it said. But then customer behavior would have caused the network to collapse. “Understandably, from this point onwards, customers increasingly tried to place calls several times and to register their end device again on the network. This behavior, which is unusual for the network, ultimately led to further restrictions at the other exchanges.”

Massive disruption in mobile communications: Vodafone, Telekom and 1&1 also affected – O2 gives details

+++ 10:04 p.m.: The consequences of the massive mobile phone disruption were devastating. In addition to O2, numerous other operators such as Telekom, Vodafone, 1&1 and Alditalk were overwhelmed by fault reports. Now the situation seems to have calmed down a bit. “The current disruption to telephony in our network has been almost completely resolved. With a few exceptions, our customers can make full calls again,” reports Telefonica on its website.

Across Germany, numerous mobile phone providers were currently affected by a failure. (symbol photo) © Rolf Poss/Imago

The problems in the O2 network seem to be largely over the table: “After the failure of a voice server, our technicians immediately took the necessary measures, successfully stabilized the network and restored availability apart from a few necessary rework,” says the Telefonica continue. The error messages, such as on All, also decrease. As of 9:47 p.m., just under 1,000 people are still reporting problems with telephony at O2.

Massive disruption in O2 mobile communications: Vodafone, Telekom and 1&1 also affected

+++ 8:59 p.m.: Mobile phone interference still exists for many users. Since Thursday afternoon, thousands have reported problems with mobile service providers such as O2, Telekom, Vodafone, 1&1 and many others. However, the fault reports were highest on the part of the O2 customers. It is now clear that there was a massive disruption in the O2 network, which the group has confirmed. Telekom and Vodafone reported that there was no massive disruption in their network. The reason for the many fault reports from users could have been that they could not reach others in the O2 network and then reported a fault to their provider.

However, the disruption at O2 has still not been resolved. Although some successes have already been achieved, there are still problems in the mobile network such as telephony, the group said on Twitter. “We are now working on a final solution,” it said.

Massive disruption in mobile communications: 1&1, Vodafone and Telekom also affected – O2 gives new details

+++ 7:28 p.m.: According to O2, the disruption that led to restrictions in mobile communications has been partially resolved. This was announced by Telefonica on its website. “The first measures taken by our technicians have stabilized the networks,” it says. However, the problem has not yet been completely resolved. At the portal allfaults a slight increase in disruptions (as of 7:01 p.m.) could be observed again.

Disturbances in the mobile network at O2 and Co. – Vodafone and Telekom with further details

Deutsche Telekom reported no disruptions. Vodafone reported slight disruptions in LTE telephony. However, these are not a problem for customers. Noisy allfaults reports of alleged failures also increased with these two providers, although not as much as with O2. The reason may have been that Vodafone and Telekom customers called someone on the O2 network and thought that the missing connection was due to their own network. In fact, network problems at O2 were behind it. “We very much regret the resulting inconvenience,” said a spokesman for O2 to the German Press Agency.

Mobile phone disruption continues at O2, Vodafone and Co. – Telekom and Vodafone express themselves

+++ 6.59 p.m.: Thousands of users complain on the portal allfaults furthermore about disturbances in the mobile radio at O2, 1&1, Vodafone and Telekom. However, Telekom and Vodafone explained at the request of tagesschau.dethat their networks are not affected by the far-reaching cell phone disruption. You don’t register any extraordinary disturbances, said a Telekom spokesman. According to Vodafone, calls to the O2 network are not possible due to the ongoing disruption. However, the company’s own network works “in good quality”. There are only restrictions with LTE telephony.

+++ 6.21 p.m.: The disruption in mobile communications from O2, Vodafone, 1&1 and other providers continues. The number of fault reports on the portal is falling allfaults currently slightly, but the situation still does not seem to be resolved. In the meantime, the Berlin fire brigade has also issued a second hazard notification via Katwarn to draw attention to the problem. The emergency call to the fire brigade and police could also be affected by the disturbance, it says there.

Massive mobile phone disruption: O2, Vodafone, 1&1 and Co. affected – O2 gives details

+++ 5:52 p.m.: What’s next in view of the massive mobile phone disruption at O2, Telekom, Vodafone, 1&1 and Co.? There are still thousands of fault reports from many customers. In the meantime, Vodafone and 1&1 have also spoken out and confirmed the disruption. 1&1 wrote in response to Twitter: “We are also currently struggling with technical restrictions nationwide. The technicians are busy trying to get the whole thing under control quickly.” And O2 replies that it is “currently not yet” foreseeable when the fault will be fixed.

O2, Telekom, 1&1 and Vodafone affected: Massive disruption in mobile communications could affect emergency calls

+++ 5.33 p.m.: Apparently, massive disruptions are currently occurring not only with mobile phone providers such as O2, Vodafone, 1&1 and Telekom. As the Berlin fire brigade has now announced via Katwarn, the nationwide disruption in the mobile network also on the emergency call affect the entire Federal Republic. “Currently, there are increasing reports of disruptions in several mobile phone networks. The emergency call to the fire brigade and police can also be affected, although the emergency call lines do not show any errors, ”says the message.

+++ 5.14 p.m.: The nationwide disruption in mobile communications and in some cases also on the Internet continues for many customers of O2, Fonic, 1&1 and Vodafone. It is true that many users also have access to the portal allfaults Problems with landline and Internet reported to Telekom, but now the group has spoken on Twitter and provides other information. “The #Telekom mobile network is not affected by this disruption. We are keeping our fingers crossed for our colleagues in Munich that the disruption can be rectified quickly,” the Telekom Netz account tweeted in response to the fault report from O2. However, Telekom is the only one listed on the portal allfaults at 5 p.m. almost 4,500 fault reports.

Massive disruption in mobile communications: O2, Vodafone and Co. affected

+++ 4.49 p.m.: The nationwide disruption in mobile communications continues for many users. As of 4:31 p.m., almost 20,000 O2 users are on the portal allfaults stated that there are problems with mobile telephony. Thousands of existing problems are also reported at 1&1, Telekom, Fonic, Vodafone and Co. Significant increases can also be observed on other fault reporting portals.

+++ 4.36 p.m.: After the massive disruption at numerous mobile phone providers such as Vodafone, Telekom, 1&1 and Co., O2 has now commented on the possible cause behind the nationwide network and Internet problems. The company writes on its support page: “The reason is a fault on a voice server that transmits the telephone calls. A large part of the telephone calls can be transmitted via other servers.” However, it is unclear whether the problem is also the cause of the disruption with the other mobile phone providers.

Nationwide disruption in mobile communications: Providers such as O2, Telekom, Vodafone and Co. affected

Update from Thursday, November 17, 4:29 p.m.: A nationwide disruption in mobile telephony is currently causing a stir. Thousands of users of Vodafone, O2, Telekom, Fonic, 1&1 and other mobile phone providers are complaining about failures and problems when making calls with their cell phones, and the Internet often seems to be affected too. Now the provider O2 has commented on Twitter.

“There are currently possible restrictions on telephony in our network. Telephone calls in 2G and 4G mobile and fixed networks are affected. We are working to restore service as soon as possible,” O2 tweeted in view of the massive disruption.

Massive disruption in mobile communications: O2, Telekom and Vodafone affected

First report from Thursday, November 17th: Kassel – There seems to be an extensive outage in the mobile network at the moment. Thousands of users across Germany report that they cannot make calls. Mobile telephony has completely failed for most of them.

The following providers are according to the portal affected:

  • O2
  • 1&1
  • telecom
  • Vodafone
  • Aldi talk
  • Mobilcom Debitel
  • Blue
  • freenet
  • Fonic
  • Congstar
  • Winsim

Nationwide disruption in mobile telephony: network failure affects tens of thousands

More than 15,000 users are currently reporting to the portal for the provider O2 alone allfaults Problems with mobile telephony (as of 3:50 p.m.). At Vodafone, more than 3,500 people are also reporting problems, but more so in relation to the Internet. Almost 3,000 people complained about disruptions to the fixed network and the Internet for Telekom. The provider 1&1 also seems to be having problems, as are users of 1&1. Almost 6,000 people report failures here, mostly in mobile telephony. (slo)

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