Complex sentence: Cisco Systems acquired VOIP maker Sipura Technologies for its Linksys division on April 26,2005, and has since been releasing the SPA series equipment under the Linksys brand.
Split into simpler sentences: Cisco Systems acquired VOIP maker Sipura Technologies for its Linksys division on April 26,2005. Ever since, Sipura has been releasing its SPA series equipment under the Linksys brand.