Siemens' rich expertise in the switching business, blended with the future promise of its OpenScape and HiPath open communications products and architectures, has it well poised for success in the unified communications (UC) market. Siemens' UC solution delivers a full set of features and open interoperability with other UC vendors across the market. Siemens' current-generation products based on OpenScape technology promise to unlock the future of UC for its customers, but many new customers will not commit to a company with an enterprise business currently for sale.