Innovation meets tradition: Telecom development and production With the strong experiences of our team we bring modern, innovative voice and data communication equipment to our world wide partners. The long tradition of telecommunication development and production at the location Bautzen will be continued by Sphairon Technologies. Our portfolio contains beside the ISDN-NTs state-of-the-art DSL gateways as well as future technology like Ethernet-NTs and Smart metering.