ALSO NOTED: Calif. regulators open SBC/AT&T hearings;Lucent wins wireless contracts in China; and much more...

 > California regulators are opening a series of hearings examining the SBC/AT&T merger. Article

> Lucent Technologies wins wireless network optimization contracts in China. Article

> Tira Wirless and M7 Networks integrate mobile communities and porting technologies. Article

> Will Verizon Wireless and Sprint turn to open billing? Article

> Nokia, Sony unveil new phone models. Article

> SiBEAM secures $15 million in Series A funding. Release

And Finally... The new annoyance: Celebrity impersonation ringtones. Release