Nortel has bought Pingtel, the developer of a software-based unified communications system, according to Network World (US) http://www.techworld.com/networking/news/index.cfm‾newsID=103152&pagtype=samechan .
Accroding to the report, Pingtel is owned by Bluesocket, a developer of enterprise mobility products. Pingtel will provide new SIP-based software capabilities to Nortel's enterprise unified communications portfolio, as well as additional research and development capabilities.
Pingtel and Nortel already had an OEM agreement, but the acquisition gives Nortel ownership of the Pingtel technology and furthers the company's ambitions to become more software-centric.