Starting on Tuesday, Cingular began offering LG's CU400, the 3G Internet and video phone. This CU400 is the first phone from Cingular that support a push-to-talk function allowing you to speak with up to 30 people.

The phone also supports the ultra fast UMTS data transmission for downloads, music clips, and email. With Cingular video service, you can watch video, TV, news, and more. The phone comes with 4x zoom & video VGA camera, Bluetooth, MPEG4 and RealVideo support, MobiTV & MobiRadio, Quad-band world phone with domestic UMTS, and more. It weights only 3.27onces with 3.36 x 1.89 x .90 inches. The talk time is up to 5 hours with up to 12 days standby time. The CU400 is now available from Cingular for $230 at retail or $30 with a two-year agreement plan.

LG CU400 marks first 3G push-to-talk Cingular phone [via electronista]