Will emnify offer access to Deutsche Telekom in Germany again?
Hi emnify,
I noticed that on February 15th you published an information about a T-Mobile service degradation. Since then access to Deutsche Telekom has not been possible. Will access to the provider be restored?
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Offizieller Kommentar
Hi Paul,
Thanks for raising the question. Short answer: yes. We will offer access to Deutsche Telekom in Germany again.How:
- For deployed SIMs, we will perform an OTA (see FAQ below)
- For new deployments, our new SIM cards already offer access to Deutsche Telekom
OTA FAQ
What is an Over-The-Air update (OTA)?
- Over-The-Air update is a technology that updates and changes data in the SIM card without having to reissue it. Over-the-Air provisioning relies on A2P SMS to update the SIM cards.
Which emnify SIM card will receive the OTA?
- The emnify SIM cards that are deployed in Germany will receive the OTA.
When will the OTA occur?
- The OTA is expected to start at the end of May 2023.
How will the OTA be received by the SIM cards?
- The OTA will be performed through an SMS that will be sent by emnify to the connected devices. The SMS can be received only if the devices are attached to the network or online.
Where can I receive an update for the start of the OTA?
- Emnify will update its customers via the “Updates” page in the emnify account.
Will customers be charged for the SMS?
- No, customers will not be charged for the SMS sent during the OTA.
What should the customer expect after the OTA?
- After the OTA campaign, network connection with Deutsche Telekom will be possible again.
What happens if the SIM cards are installed in devices that are in storage?
- The devices that are in the warehouse during the OTA campaign should be updated as soon as they get online.
- If the devices are expected to be sent in a geographical area where Deutsche Telekom is most likely the only network available, we recommend contacting your Customer Success Manager to discuss the alternative option of using the newest SIM card. Deutsche Telekom is available with the newest SIM card.
When the device receives the SMS during the OTA, should the customer expect the loss of connectivity for a limited time?
- A loss of connectivity for the connected devices is not expected. The OTA will only be implemented once the device has rebooted.
I am getting several warnings in the portal, like "The requested RatType 2/1 (GERAN/UTRAN) is not allowed for this operator." or "Location update rejected from SGSN XXX (Telekom) for IMSI 29505XXXX. This operator is currently not supported for this IMSI. A different IMSI or operator will be used for the network registration."
This is a expected behaviour. In order to use the Telekom network, your devices must perform an IMSI switch and use IMSI 90143. If this is not happening, please visit this article and ensure that your devices are configured following these guidelines. If not, you will not be able to use this network.
Aktionen für Kommentare -
Hi Martin
Since February 2023 DT is not available any more with our primary IMSI (29505XXX). Some old SIM cards (actually most of yours) are not affected and support DT with our secondary IMSI. In order to make use of the secondary IMSI, your devices must be able to switch IMSIs successfully, as described in this article:
Most of your SIM cards do not need any update. In case you need a list of which SIM is affected, please submit a request to our Support team and we will generate a report for you.
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Hi Mathias,
The batch you received does not need any OTA as the SIMs are already configured as expected. The primary IMSI supports O2 and Vodafone (meaning, they will always try to connect to these networks first). In order to connect to DT via our secondary IMSI, your devices must perform an IMSI switch. Please read the article above an ensure your devices are configured following these guidelines.
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Hi Martin,
Apologies, i did not know we were talking about Narrow Band. For NB-IoT devices, we do not have an immediate solution, an IMSI switch is required, and on top of that, if no SMS are received, no updates will be done.
However, we are exploring all the possibilities. I am in direct touch with your CSM regarding this topic.
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I just ran into this and this already cost us several hundred € with remote hands in the DC and on site engineers debugging.
The emnify status page states: "All Systems Operational" in bright green, which is for me as a customer not correct. To see the DTAG incident I have to:- surf to https://status.emnify.com/
- scroll to the bottom of the page
- press incident history
- press "<" in the calendar
- then click on "+ Show all 6 incidents"
to then finally see "Service degradation - Telekom Germany". I am sorry, but you cannot be serious with your status page. -
Hi Michael,
Our StatusPage is intended to inform customers about technical issues with emnify's systems. At this moment in time, all emnify systems are operational. In case of issues with specific networks, we usually post an entry until we determine if its is something on our side. In other occasions, it is not needed as the issue is already clear.
In this case, as soon as our engineering team discarded issues on the emnify side (what we can fix directly), we marked it as solved, and we posted an entry in our Changelog (https://emnify.canny.io/changelog/t-mobile-germany-service-degradation ).
On top of that, we also informed our existing customers. In any case, i have informed your Customer Success Manager regarding this matter.
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Jorge Merino thanks for your answer.
I ordered this batch of SIM cards after the 15th of February, so after this problem was marked as "resolved" (!) by emnify.
My current problem is, that I have a SIM deployed in a location where there is only DTAG connectivity. So someone has to physically go there and replace the card (it's a DC and I'll have to order remote hands which is quite expensive). Plus it's unclear when "at the end of May 2023" is.
Maybe this is an unfortunate chain of events, happens. The technical problems are not the thing I am unhappy about, it's more the transparency on emnifys side sending out "knowingly broken SIMs" without information about it. -
Dear customers,
we are happy to inform you that access to Deutsche Telekom has been restored for the vast majority of emnify SIMs. This was via a SIM update (via SMS) and almost all SIMs have been successfully updated.
Access to Vodafone and Telefonica O2 will be via one IMSI (starting with 29505) and access to Deutsche Telekom will be via another IMSI (starting with 90143). In order to have access to all 3 networks in Germany, the device must be compatible with multi-IMSI SIM cards and follow the guidelines published in our Knowledge Base. It is normal to see some error events as each IMSI is tried for attachment to each network.
In addition, some NB-IoT traffic via Deutsche Telekom (using IMSI 29505XXX) may be observed but we advise you to be ready to use NB-IoT via Vodafone as an alternative.
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