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.
To make and receive phone calls, here's what you need: 1  Sign in to the same iCloud account on all your devices, including your Mac. 2  Your iPhone and your iPad or iPod touch need to use iOS 8 or later. 3  All devices must be on the same Wi-Fi network. 4  All devices must be signed in to FaceTime using the same iCloud account.