Anleitung: Telekom Speedport Router direkt mit VPN verbinden
Telekom Speedport Pro in Black | WiFi Router with LTE Module, HD Telephony, Faster WiFi with up to 9600 Mbps, Improved Range and Higher Data Transfer: Amazon.de: Computer & Accessories
Configure a Site-to-Site VPN Connection with Open Telekom Cloud | by Akriotis Kyriakos | Medium