from wikipedia & google:
Google Voice (formerly GrandCentral) is a free Google-owned Internet service that uses voice over internet protocol (VoIP) to link customers’ phone numbers together.
then watch this:
申請使用 GrandCentral 的用戶，現在可以直接升級為 Google Voice 會員，方法很簡單，只要登入 GrandCentral 網頁，就會有導引頁面，整個過程不會超過一分鐘。
升級成 Google Voice 除保留 GrandCentral 原有的功能外，還新增了許多 Google Voice 的功能，例如有SMS、電話會議以及語音留言轉錄，最後一項功能，可以將朋友的語音留言轉換成電子郵件的文字，當然也可以選擇直接聽語音。
升級為 Google Voice 後，操作介面就類似 GMail，可以管理整合所有通話紀錄、語音留言、簡訊等紀錄。
另外，在升級後，原本使用 GrandCentral 時，從美國 DID 電話撥入時，受話方會先聽到一段語音，必須按 1 才可以接聽來電，現在好像可以取消這惱人功能。
Google Voice 還有很多好玩的功能，而且都是免費的，詳細資訊請自行前往 https://www.google.com/voice/about#
相關連結：
GrandCentral http://www.grandcentral.com/
Google Voice https://www.google.com/voice/
Google Voice Designed to Block Phone Spam
Google Voice's Phone Spam feature allows users to tag a phone call as spam, blocking the caller's number from contacting the user's phone or phones. Google Voice, rolled out as a preview on March 11, offers telephony features such as voice mail transcription and GOOG-411 integration.
Google announced March 20 that Google Voice, its new phone-based application, has the ability to block phone spam.
By tagging a phone call as spam, users effectively block the caller's number from ringing their various phones or leaving e-mails. However, the marked calls will end up in a spam folder, which can be manually filtered at a later point.
Google Voice, released as a preview on March 11, allows a user to condense his or her various phone numbers into a single one, and provides other services such as automated voice mail transcription and GOOG-411 integration.
Google Voice is an updated version of GrandCentral, which Google acquired in July 2007. The ability to block phone spam is an updated carryover from GrandCentral, with some added muscle provided by Google's ability to create databases. "One of the lesser known features of the Phone Spam filter is that we also collect numbers from reported (and confirmed) Phone spammers to block them for the benefit of all our users," Vincent Paquet, a Google Voice product manager, wrote on the official Google Voice Blog. "These are not individual pranksters reported by individual users, but automated dialers that call thousands of numbers every day." Paquet went on to claim that the Phone Spam is "blocking tens of thousands of calls on a daily basis, and that number is growing daily." Despite this privacy feature integrated into Google Voice, Google has attracted the ire of privacy advocates by announcing new interest-based advertising, a brand of "behavioral targeting" that utilizes users' previous searches and page views to deliver targeted ads. Other companies, such as Yahoo, have their own behavioral-targeting advertising models. However, Google seems to have attracted more controversy, perhaps because of its position as the No. 1 search engine; Google argues that it gives customers sufficient granular control over their privacy preferences. 【功能】
- 支援 sip 终端
- 支援web call
- web UI 和 gmail進一步整
- 和 gtalk 整合
Voice features - More cool things you can do with Google Voice |  | |
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