Deutsche Telekom will upgrade their NB-IoT platform in order to proactively increase the capacity and make it more scalable and robust for the future. Doing this, we benefit from better feature set (like using NB-IoT and LTE-M traffic through the same VPN tunnel) as well as security hardening.
The migration of our APN “cdp.iot.t-mobile.nl” to the new platform will be performed by the Deutsche Telekom Core Network team automatically. It does not require any activity from your side, so there is no need for new configuration of your IoT solution or anything alike.

Maintenance window:
May 10th, 2022 at 4:00 am CEST
May 17th, 2022 at 4:00 am CEST

Service Interruption:
There will be a service interruption for approx. 45 minutes during the night. The devices will lose the PDP connection and need to create a new IP session at the end of the maintenance window. After the new platform starts operation, the devices will re-login to the network automatically and will get a new IP address.

Experience from other customers:
This maintenance work was already performed for the customers located in Germany. We didn’t receive incident reports related to this change. That’s why we’re optimistic that it will run smoothly for the IoT Creators APN as well.

Please contact me/us in case you’ve got any questions or doubts and concerns.

We apologize for the inconvenience and are optimistic that you’ll benefit in the future from that change.

@florian-duecker I’ve revolved the issue by using the off the shelf OpenVPN option T-Mobile offers: Summarized for others&future:
The IoT Easy Connect LTE-M connectivity assings a private IP-range (in my case 10.42.242.0/24) to the sim-cards.
The IoT Easy Connect Portal>Settings>OpenVPN describes how to setup an OpenVPN connection to T-Mobile.
Activating this tunnel on my server enabled me to ping the devices and to carry out various connectivity test.

@inka-O internet.telekom is for smartphones. it won’t work for NB-IoT and the SIM cards are not allowed to use it I believe.

Hi Adam,

the APN is always: cdp.iot.t-mobile.nl - independent of your location.

However, it is important to set the PLMN ID correctly according to your country. For Poland this is: 26002

All configuration details can be found here: https://docs.iotcreators.com/docs/general-settings

I hope that helped! Let us know whether this worked out or not!

Our APNs are ready for IPv6. Meanwhile most of current modules also support IPv6, with exception of some using 1st generation platforms.

In case of public APN, we are using a NAT service to allocate public IP addresses dynamically. In case of a private APN, devices get IP addresses from the internal IP addresses space. The IP address assignment is usually managed by Deutsche Telekom. However, the customer has the possibillity to operate his own AAA system (RADIUS forwarding) so that they can manage the IP address assignment by themself.

Hi Robin,

NB-IoT with an IP connection will be available in the summer. But, I will reach out to you next week to learn and find out together how we can make your downlinks easier in the current situation.