Looking for logging into the Telefonie site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Telefonie site. After that you can login as usual with your login credentials.
https://telefoniecenter.t-online.de/fcc/view
https://www.telekom.de/hilfe/festnetz-internet-tv/telefonieren-einstellungen/telefoniecenter/direktlink-ins-telefoniecenter
https://www.telekom.de/hilfe/vertrag-meine-daten/rufnummer/telefonieeinstellungen
https://www.telekom.de/hilfe/festnetz-internet-tv/telefonieren-einstellungen/telefoniecenter/was-ist-das-telefoniecenter
https://www.sipgateteam.de/
https://www.sipgate.de/
https://www.toolani.com/de-de/login/
https://www.swiss.com/de/de/buchen/swiss-choice/swiss-mobile
https://control-center.1und1.de/
https://www.hfo-telecom.de/
https://www.easybell.de/
https://www.tecchannel.de/a/fritzbox-und-telekom-so-bereiten-sie-sich-auf-all-ip-vor,3286932
https://www.zedat.fu-berlin.de/Telefonie/Schnelleinstieg