Sonus, which has been in the past suspected of playing the hype game to manipulate the stock market price seems to have cleaned up their past and is now poised to become a real player once again.
No one can fault their technology, and given the state of both Lucent and Nortel having had a share of problems organizationally, technologically and with regulators, Sonus is poised to be a real challenger.
At the same time keep an eye on Alcatel too.