The Ins and Outs of PC Audio Jack Colors. In many cards, the microphone connector will be pink, the line out or headphone will. be lime green, and the stereo line in will be light blue. Additional jacks may be present. on newer soundcards for rear and mid surround speakers. There is a widely accepted color standard for computer sound card input and output.
If one of the key features of Wi-Fi calling is that you can start/receive a call while on Wi-Fi and it will hand off to the cell network in a seamless fashion, that might not be true for some iPhone 5 users on T-Mobile.
This will make your android cell phone into a free wifi phone. you will be able to make and recieve calls with the grooveip app and send and recieve text and voice mail with the google voice app. as long as you are on wifi. All of this is linked to the google voice number you get on setting it up.