Question by King: How to set up iphone 3G with no sim to use google voice as secondary phone?
I have an iPhone 3G that does not have a sim (upgraded to iPhone 3GS) I would like to turn it into a secondary phone that uses my google voice account. I also have a sipgate account if needed. Im just wanting to use it as a secondary phone to use on my wifi. . How would i set this up or would i need something else to?

Best answer:

Answer by Dave
it is very easy
just follow the instruction there are two ways you can do it
you also need voip app on your iphone siphone is very nice and free from cdiya

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