Google voice is a prepaid service.

It does not care if you only make free calls.

所有跟帖： 

• 谢谢老兄解惑！可是一出现上面说的提示之后，外拨的功能就停止了，电话打不出去。试了一下，来电倒还响铃。 -美麻子- ♂ (6 bytes) () 11/07/2014 postreply 10:03:14

• You need to maintain a credit balance in Google wallet -26484915- ♂ (144 bytes) () 11/07/2014 postreply 12:41:15

• Got it, thanks a lot! I am able to try. -美麻子- ♂ (0 bytes) () 11/07/2014 postreply 16:33:27