sipcall

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 a virtual telephone system, a reliable interface to an existing system or Microsoft Teams as a fully comprehensive solution, sipcall is the right choice.
Telephone exchange - as one of the leading Swiss providers, sipcall is a specialist in this field and a partner at eye level. Over 40,000 satisfied telephony customers and more than 800 partner companies rely on sipcall's expertise and experience. The company is based in Schindellegi in the Swiss canton of Schwyz.