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Ribbit just announced the launch of Ribbit Mobile. Ribbit Mobile is a cloud-based VoIP telephony service that brings together web-based calling, smart call routing and voicemail transcriptions.

It is hard to look at Ribbit Mobile without comparing it to Google Voice. Just like Google Voice, Ribbit gives users a new phone number or they can use call forwarding to transfer calls from their mobile phones to Ribbit's platform. Ribbit Mobile also has quite a few features that Google doesn't offer, including the ability to make calls from within the browser.

Google today finally announced its plans for GrandCentral, the telephony service it acquired in July 2007. GrandCentral will be reborn as Google Voice, a comprehensive suite of telephony services, including all of GrandCentral's features. In addition, Google Voice will also include an automated voicemail transcription service, the ability to send and receive text messages, and integration with your Gmail contacts. Users can now also call any number in the the U.S. for free.