Features

• One numberMake calls and send text messages from your Google Voice number.
• Cheap international callsMake low-priced international calls directly from your phone.
• Voicemail transcriptionVoicemails are automatically transcribed to text so you can read them like email.
• IntegrationGoogle Voice integrates with your phone's native address book or Google Contacts.
• Free text messagesSend and receive text messages through the Google Voice app for free.
• Custom greetingsSet up different greetings for different callers.

http://www.google.com/mobile/voice/

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