Shares of Acme Packet jumped 17 percent to a lifetime high on Wednesday, a day after the telecom equipment maker posted better-than-expected quarterly results and raised its 2011 outlook above Wall Street expectations. <a href="http://www.reuters.com/article/2011/02/02/us-acmepacket-idUSTRE7115W820110202">Related article</a> and <a href="http://dock-of-bay.blogspot.com/2010/09/google-buoyed-by-growth-of-voip.html">Analysis</a>.