假定你Windows 7 Phone与t-mobile相容:
1. 把现用的sim card暂时取下(收好喽)
2. 买个t-mobile prepaid activation kit (sim card, 有10分钟), $3, 装到你Windows 7 Phone,activate prepaid account
3. port the iTalkBB number to prepaid account
4. port the number from prepaid account to Google Voice
5. 把prepaid sim card 取下,把原来的sim card装回Windows 7 Phone
明白了吗?
如果Windows 7 Phone与AT&T相容,就用AT&T的prepaid转。
如果Windows 7 Phone Verizon,那就没有SIM Card。我不知道怎么玩。