Microsoft opens Swiss R&D center for Voice-over-IP

Microsoft said Tuesday it has opened a new research center in Switzerland to develop internet telephony software, also known as Voice-over-IP.

The U.S. tech giant said the center, located in Zurich, will grow from 45 to 200 staff over the next three years.

Microsoft Corp. (nasdaq: MSFT - news - people ) said in a press release that the site complements three other centers developing communications software in Beijing, China; Hyderabad, India; and Redmond, Washington.