微信不是适合每个人或每个情况，有时候还是必须打电话。
网络电话打中国也很便宜，每分钟1美分多。
Freedompop global sim 每月包括 100 分钟免费国际长途，包括中国:
FreedomPop International (Global) Calling allows users the ability to call over 50 countries using their Freedom Phone or Free Talk and Text app. The following plans apply to the countries labeled “Mobile and Landline” and “Landline only”.
Global Free 100: 100 minutes every month Free
Global Plus 300: 300 minutes for only $4.99/mo
Global Pro 1000: 1000 minutes for only $9.99/mo
Global Virtual Number $4.99/mo
Mobile and Landline (14): American Samoa, Bangladesh, Bulgaria, Canada, China, Denmark, Greece, India, Malaysia, Singapore, South Korea, Spain, Sweden, and Thailand.
Landline only (38): Argentina, Australia, Austria, Belgium, Brazil, Chile, Croatia, Cyprus, France, French Guiana, Germany, Guam, Hong Kong, Hungary, Iceland, Ireland, Israel, Italy, Latvia, Lithuania, Luxembourg, Malta, Mexico, Morocco, Netherlands, New Zealand, Norway, Peru, Portugal, Puerto Rico, Romania, Russia, Slovakia, Slovenia, Switzerland, Taiwan, United Kingdom, and the U.S. Virgin Islands.
据我对该公司的了解，说是100分钟免费，但我建议最好按80分钟算。起码要留20分钟的余地，否则极有可能会被自动收费。