Google Voice

Grand Central
Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination for Google Account customers in the U.S. and Canada.wikipedia
96 Related Articles

Speech recognition

voice recognitionautomatic speech recognitionvoice command
Many other Google Voice services—such as voicemail, free text messaging, call history, conference calling, call screening, blocking of unwanted calls, and voice transcription to text of voicemail messages—are also available to.
In 2015, Google's speech recognition reportedly experienced a dramatic performance jump of 49% through CTC-trained LSTM, which is now available through Google Voice to all smartphone users.

Google Talk

Google ChatGTalkchat
Additionally, text messages can be sent and received via the familiar email or IM interface by reading and writing text messages in numbers in Google Talk respectively (PC-to-Phone texting).
In order to receive calls, however, the user must upgrade to a full Google Voice account.

Google Hangouts

HangoutsGoogle+ HangoutGoogle Hangout
Google Account customers in most other countries other than the U.S. and Canada may only access the call termination services through the integration with Google Hangouts.
Google has also stated that Hangouts is designed to be "the future" of its telephony product, Google Voice, and has already integrated some of the capabilities of Google Voice into Hangouts.

Gizmo5

GizmoSIPphone
Previously, customers of Gizmo5, a Session Initiation Protocol (SIP) service vendor acquired by Google, were allowed to forward calls to their Gizmo service which may be answered using a free computer application, or a web application, or SIP-based telephone hardware.
Prior to this acquisition, Gizmo5 had a working relationship with GrandCentral (now Google Voice) for years.

EVoice

There are several competing virtual number services, such as eVoice.
A competitor to eVoice is Google Voice.

Telephony

digital telephonytelephonedigital
Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination for Google Account customers in the U.S. and Canada.

Call forwarding

forwardingCall divertCall Forward on Busy
Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination for Google Account customers in the U.S. and Canada.

Voicemail

voice mailvoice-mailvoice messaging
Many other Google Voice services—such as voicemail, free text messaging, call history, conference calling, call screening, blocking of unwanted calls, and voice transcription to text of voicemail messages—are also available to. Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination for Google Account customers in the U.S. and Canada.

Google Account

Google accountsGoogle web history,web histories
Google Voice is a telephony service that provides call forwarding and voicemail services, voice and text messaging, as well as U.S. and international call termination for Google Account customers in the U.S. and Canada.

Google

Google Inc.Google, Inc.Googling
The service was launched by Google on March 11, 2009, after the company had acquired the service GrandCentral.

Web portal

portalinternet portalportals
A user may answer and receive calls on any of the ringing phones as configured in the web portal.

Conference call

conference callingconference callsaudio conferencing
Many other Google Voice services—such as voicemail, free text messaging, call history, conference calling, call screening, blocking of unwanted calls, and voice transcription to text of voicemail messages—are also available to.

Call screening

screening callsCall screenerscreen her phone calls
Many other Google Voice services—such as voicemail, free text messaging, call history, conference calling, call screening, blocking of unwanted calls, and voice transcription to text of voicemail messages—are also available to.

Google+

Google Plus+Hangoutcircle updates
Google Voice multi-way videoconferencing (with support for document sharing) is now integrated with Google+ Hangouts.

Gmail

gmail.comGoogle Mailprivacy concerns
The service is configured and maintained by the user in a web-based application, styled after Google's e-mail service, Gmail, or with Android and iOS apps on smart phones or tablets.

Wired (magazine)

WiredWired MagazineWired'' magazine
A Wired blog post quoted a figure of 3.5 million in 2013.

Telephone numbering plan

Area codeCalling codearea codes
Users may select a single U.S. phone number from various area codes.

SMS

short message servicetext messagetext messages
Google Voice provides automatic blocking of known numbers, e.g., telemarketers, the ability to switch lines in mid-call, differentiated voice mail greetings based on caller, Short Message Service (SMS) forwarding, and call recording.

Session Initiation Protocol

SIPSession Initiation Protocol (SIP)SIP Trunking
Previously, customers of Gizmo5, a Session Initiation Protocol (SIP) service vendor acquired by Google, were allowed to forward calls to their Gizmo service which may be answered using a free computer application, or a web application, or SIP-based telephone hardware.

Virtual number

virtual telephone numbervirtual phone numberVirtual Phone Numbers
There are several competing virtual number services, such as eVoice.

Personal numbering

Personal numberspersonal numbering providers
Personal numbering services have been available in the United Kingdom since 1993, similar to the AT&T True Connections 500 service offered in the 1990s in the United States.

AT&T

AT&T Inc.AT&T Latin AmericaSBC
Personal numbering services have been available in the United Kingdom since 1993, similar to the AT&T True Connections 500 service offered in the 1990s in the United States.

Personal communications service (NANP)

500533544
Personal numbering services have been available in the United Kingdom since 1993, similar to the AT&T True Connections 500 service offered in the 1990s in the United States.

Ringing tone

ringback toneringback tonesAudible ringing
However, GrandCentral's Ringback Tone feature was not transitioned over to Google Voice.

Today (U.S. TV program)

TodayThe Today ShowToday Show
On June 25, 2009, NBC's Today Show stated that Google Voice would be available nationwide on that day.