网络电话 How to use two different companies to call USA and China?

I successfully use GV, sigpate and sipsorcery to make free phone calls in USA. However how could I use a different company to call china using the same line? if I need to provide a different dailplan in Sipsorcery? any helps are highly appreciated. Thank you so much!

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• See inside -沙漠荒野- ♀ (656 bytes) () 07/12/2010 postreply 14:30:27

• should be - when /^1\d{10}$/ and when /^01186\d{8,12}/ -沙漠荒野- ♀ (26 bytes) () 07/12/2010 postreply 14:32:06

• Thank you so much, more questions.... 回复：See inside -Rosefit- ♀ (2217 bytes) () 07/12/2010 postreply 15:27:07

• it may be something like this -沙漠荒野- ♀ (994 bytes) () 07/12/2010 postreply 19:20:11

• Thank you so much, I will try.. 回复：it may be something like thi -Rosefit- ♀ (265 bytes) () 07/13/2010 postreply 09:05:38