Deutsche Telefon Standard AG(D)Deutsche Telefon, founded in 2007 and based in Mainz, is the specialist in professional SIP communication and one of the leading suppliers of network telecommunications systems.
Rheinstr. 4h, Fort Malakoff Park, 55116 Mainz, Germany
Telephone +49 (800) 58 02 008
Fax +49 (800) 53 32 008
message people GmbH(D)Message People GmbH is a specialist services provider and technology partner for the processing of mobile services and individual mobile projects.
Altmarkt 12, 08523 Plauen, Germany
Telephone +49 (3741) 289 289 0
Fax +49 (3741) 289 973
Peter Rauter GmbH(A)The company has been providing its customers with fast and simple communication for over 10 years. Its product portfolio includes telephone systems, VoIP telephony / VoIP providers, Internet providers and more.
Bahnhofstrasse 11, A-5202 Neumarkt am Wallersee, Austria
Telephone +43 (6216) 57 210
Fax +43 (6216) 5843
QSC AG(D)QSC AG is the digitizer for German small and medium sized companies. With decades of experience and competence in the fields of cloud, Internet of Things Consulting, telecommunications and colocation, QSC is able to securely support its customers in the digital age. TÜV and ISO-certified data centers in Germany and a nationwide All-IP network form the basis for the highest end-to-end quality and safety.
As early as 2006, the voice and data network was converted into an IP-based "Next Generation Network".
Mathias-Brüggen-Strasse 55, 50829 Cologne, Germany
Telephone +49 (221) 66 98 000
Fax +49 (221) 66 98 009
toplink GmbH(D)toplink GmbH marketed the first VoIP products that we now know as cloud-based telephone systems back in 2005. The link-up of "classic telephony" (PSTN) is also being revolutionized by a SIP trunk interface. As a service provider, the company establishes efficient business communications.
Robert-Bosch-Strasse 20, 64295 Darmstadt, Germany
Telephone +49 (6151) 62 75 200
Fax +49 (6151) 62 75 299
Vodafone GmbH(D)Vodafone GmbH is a German subsidiary of the British mobile phone company the Vodafone Group. In Germany, it offers mobile telephony, DSL, LTS, fixed line telephony and IP TV. Vodafone operates a nationwide land line concentration network based on classical ISDN technology and also, in parallel, as an IP-NGN network via VoIP.
Am Seestern 1, 40547 Düsseldorf
whatever mobile GmbH(D)The owner-managed company was founded in 2002 and is based in Hamburg. whatever mobile acts as a technical services provider and solutions supplier for national and international clients. In the field of mobile telephony, it is developing new channels of communication and marketing.
Alter Teichweg 23, 22081 Hamburg, Germany
Telephone +49 (40) 888 808 0
Fax +49 (40) 888 808 19
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