Mountain View, Calif. – Google (NASD: GOOG) on Tuesday introduced the
ability for users to port their existing mobile phone numbers to its Google
Voice service, which offers features like a single unified phone number, free or
low-cost calling, and speech-to-text voicemail transcription. Google said that
porting an existing mobile phone number to Google Voice will cost $20, and will
usually be completed within 24 hours.