sipcall by Backbone Solutions AG

As a VoIP specialist and pioneer, sipcall has stood for individual and innovative business solutions since 2005. sipcall always offers small and large companies the optimal telephony solution for all needs. Whether it's a virtual telephone system, a reliable interface to an existing system or Microsoft Teams as a fully comprehensive telephone exchange - sipcall is one of the leading providers of VoIP solutions.
leading Swiss provider specializing in this field and a partner at eye level. Over 40,000 satisfied telephony customers and 600 partner companies rely on the expertise and experience of sipcall. The company is based in Schindellegi in the Swiss canton of