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.
You can only make calls using the Google Voice app on your Android device through your cellular network. If you want to make calls using a WiFi connection, try making calls with your Google Voice number through the Hangouts app on your Android device. Check the credit balance in your Google Voice account: 1  Go to Menu.