Nortel is the most high profile mover this month, a result of both that firm’s bankruptcy protection filing and because of analyst interest in VoIP and contact centre solutions. It has moved up 2 spots and have gained a place in the top 5 this month. The firm’s plan to sell off certain portions of its application acceleration portfolio particularly attracted analyst attention and helped it move up this month.
BT, which has been ranked as the top global operator for customer satisfaction, has also moved up 2 positions this month and is ranked 4th.
However, Extreme Networks is the biggest gainer this month. The firm has raised its profile by being the first in the industry to convince analysts about a cost-effective 10G copper network solution and has moved up 18 positions. O2 and Brocade have each gained 9 positions this month and are the two new firms that have entered the top 25 this month.
Global Crossing has shown the biggest decline this month and has dropped 10 positions. The firm has announced its intent to provide content delivery network (CDN) services but has not managed to get any significant number of analyst mentions. Sony Ericsson, which was the biggest gainer last month, has also declined 7 positions and is ranked 18th this month. ZTE and Qwest are the two firms that have dropped out of the top 25 this month.
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