Many years of experience with ITC Solutions


State-of-the-Art technology and ITC experts.


Solutions for your specific requirements.


Innovativ ITC solutions for your business.

Contact us

C4 Systems GmbH
Rüdesheimer Str. 11
80686 München
phone +49 8105 715 888
(Calls charged at 14 cents per minute from German landlines; prices for calls from mobile phones depend on the provider, no more than 42 cents per minute)  

e-Mail. info@c4systems.de
web. www.c4systems.de


C4 Systems is your specialist for developing and commercialization of communication systems and payment solutions.

Based on a specially designed and operated infrastructure, C4 is a leading provider for the accomplishment of load tests and availability tests for telephony-based systems.