Lisa Machnig

Lisa Machnig

Corporate blogger

Lisa writes about innovation topics, as well as network-oriented solutions for business customers.

Articles by Lisa Machnig

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SIP Gateway


New SIP gateway makes IP trunking possible in Europe

With Corporate SIP International, the new IP trunk phone line from the
T-Systems network, companies can manage their telephony centrally and cut down on operating expenses significantly.



Deutsche Telekom takes to the air with MagentaEINS Unlimited

Flugshow zum Start des neuen MagentaEINS Unlimited Vorteils. Himmel über Bonn, Düsseldorf und Köln wird zur Werbetafel. Deutschlandweit unbegrenztes Datenvolumen.

Barbara Costanzo, Vice President Group Social Engagement Deutsche Telekom.


Working to eliminate online hate speech: We're continuing our commitment in 2021!

"Words should not be used as weapons." Along with it, Deutsche Telekom is also involved in a broad range of other efforts aimed at combatting online hate speech. Christian Hahn, from Global Brand Management, and Barbara Costanzo, from Group Social Engagement,...

Magenta Entertainment


Simply one for all

Deutsche Telekom launches MagentaTV campaign with Christian Ulmen and Fahri Yardim.

T-Systems and Malta Enterprise announce collaboration for Blockchain


T-Systems and Malta Enterprise announce collaboration for Blockchain

Malta Enterprises will be the first partner for the German Blockchain Ecosystem. T-Systems and Malta Enterprise today announced their cooperation and have signed a Memorandum of Understanding (MOU).