Trying to regain some of its lost market share, Nokia is hoping to woo both enterprise and consumer customers with a lighter, sleeker version of its high-end Communicator handset that will be released worldwide at the beginning of next year, the company announced Wednesday.

The Communicator 9300, which is both a phone and a PDA (personal digital assistant), opens from its side rather like a glasses case to reveal a full keyboard and 65,536-color screen. It uses Bluetooth for wirelessly transmitting voice and data, offers high-speed Internet browsing and comes with built-in office applications, in a package that weights 167 grams. That compares to more than 200 grams for the previous Communicator, Nokia spokeswoman Tia Matthews said on Wednesday.

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