E. Where can you find help with your telephone system?

You can use various sources for help concerning your issues. Please use them in the order suggested here:

Telefónica Germany

GmbH & Co. OHG

Georg-Brauchle-Ring 50

80992 München

24h-Hotline: +49 800 22 111 22

o2online.de/business

Benefit from numerous advantages with o2 Business now. Discover our individual offers, solutions and services that are tailored to your specific needs - ideal for large and medium-sized companies.

admin.digitalphone.o2business.de Here you can manage your extensions, virtual faxes and services (e.g. conference rooms). Also you can create new devices and edit existing ones.
‌Chat for existing customers

New service for you.

Use our live chat exclusively

You can reach our chat:

Monday - Friday

8:00 a.m. - 6:00 p.m