有Google Voice就可以免費打IDD

有Google Voice就可以免�打IDD
如果你已�有Google Voice，�打access number
631-763-1059就可以免��接到以下�家/地����。�然，不用GV打也可以，不�就要自己付���，我�美�����分�不熟，所以不知道��access
number是普通的�����是特�的service
number，所以建��是用GV或其他免���打比�安全。��打了��十�分�大�和香港的��都�有��，有�有其他限制不知道。
Argentina
Australia - Adelaide
Australia - Brisbane
Australia - Canberra
Australia - Melbourne
Australia - Perth
Australia - Sidney
Brazil
Canada
Canada Mobile
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China - Mobile
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Hong Kong - Mobile
India - Ahmedabad
India - Bangalore
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India - Chennai
India - Ernakulam
India - Hyderabad
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India - Mobile
India - Mumbai
India - New Delhi
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Italy
Japan
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Mexico - Durango
Mexico - EA 1
Mexico - EA 2
Mexico - EA 3
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Mexico - Saltillo
Mexico - San Luis Potosi
Mexico - Toluca
Panama
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Russia - Moscow
Russia - St. Petersburg
Singapore
Singapore - Mobile
Spain
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Thailand
Thailand - Mobile
United Kingdom
United States
United States Mobile
Venezuela

http://www.freecall2india.com/index2.php
http://google.org.cn/2009/07/15/ ... -in-china-mainland/