Investor Relations

Acquisitions

As of December 31, 2006, we had completed twelve acquisitions of complementary companies, products or technologies to supplement our internal growth. In general, the acquisitions have been used to expand our customer base, accelerate technological developments and build scale. Future acquisitions are not expected to be central to our growth strategy as the three acquisition goals of customers, technology and scale have been met. Our future growth will be focused on organic growth in emerging growth markets. Our historical acquisitions include the following:

Technology Acquisitions			Market Share Acquisitions
	February 2004 Switching and signaling gateway			September 2005 Broadband access solutions
	November 2003 Metro optical transport			July 2004 Metro optical access solutions
	July 2002 VoIP			February 2003 Access and transmission products
	February 2001 Softswitch		Nortel Networks Access Node	August 2001 Market-leading next generation DLC
	February 2000 IP and derived voice			December 1999 Integrated access solutions
	February 2000 Wireless
	November 1999 Manufacturing