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Now let's look at what you can do with an iPhone during a call. So my iPhone is ringing now, and I'll answer it. Whether you place the call or whether you answered an incoming call, these are the six buttons you'll see during the call. Now you'll only see these buttons if you're not holding the phone up to your ear. The iPhone has a built-in proximity sensor that detects when you're holding the phone up to your ear. The sensor is located next to the earpiece speaker. If I hold my finger over that area, notice the screen goes dark. This actually serves a number of purposes. First of all, it can be distracting to hold a brightly lit screen to your face, especially if you're in a dimly lit room.
More importantly though, this also temporarily deactivates the screens touch sensitivity, which prevents you from accidently tapping buttons with your cheek. And of course having the screen turned off, especially during longer phone calls, conserves battery power. But the second you take the phone away from your head, the screen turns back on, and you have instant access to your phone. Incidentally the iPhone's ambient light sensor is also located around this area, and it gauges the amount of light where you currently are and can adjust your screen's brightness to save power. You can adjust the screen's brightness settings from control center, by swiping up from the bottom of the screen, as we saw earlier.
Alright so, we're on a call. Let's look at these buttons. The first one in the upper left is the Mute button. Tap it once and the person on the other end won't be able to hear you, but you'll still be able to hear them. This is useful if you need to talk to someone in the room with you without the caller on the line hearing you. I use this all the time when I'm on conference calls. I'll tap the mute button while I'm listening in and I don't have to worry about people hearing me clear my throat or typing emails. Tap the Mute button again to turn it off. The Mute button also acts as the Hold button when you press and hold it. So when a call is on hold, neither you nor the person on the other line will be able to hear each other.
Unlike when a call is simply muted, in which you can still hear the other caller, but they can't hear you. To take the call off hold, just tap it again. Next is the keypad, which is for those times when you need to input touch tones during the call. For example, if you're calling a company's customer service line, you might hear something like, touch one for technical support, touch two for sales and so on. All you have to do is tap Key Pad and touching numbers will send the touch tones over the line. You also have the option to end the call from here if you're done talking so you don't have to first hide the keypad to hang up. But if you're still on your call tap Hide to return to the six in-call buttons.
Next to Keypad is Speaker. This is how you turn on the speaker phone during a call. So, if you're on a conference call where you're mostly listening in, you might want to tap speaker, so you can place your phone down on your desk and still hear what people are saying. Remember that both the speaker and the microphone are along the bottom of the iPhone, so keep that end facing you when you have your phone sitting on your desk. Tap Speaker again to return the audio to the earpiece speaker. Or, if you're using the iPhone's earbud headset, turning off Speaker will return the call's audio to your earbuds. Now, one other thing to know about the Speaker button is that it will change whenever you're using a bluetooth headset to talk during your call.
In that case, the button will be labeled audio source instead of speaker, and you'll be able to tap it throughout your call, between your bluetooth headset and your speaker. We'll look more at this in the upcoming movie on using a bluetooth headset. Below Speaker we have Contacts. Tapping Contacts opens your address book, so you can look up numbers and email addresses, which can be useful if you need to give information to the person you're talking to. You can also make a second call from here, if you need to talk to someone else during your current call, or set up a conference call. We'll look more closely at conference calls in an upcoming movie. To return back to the in call screen after you've opened Contacts, just tap the green area at the top of the screen.
Next to the that is the FaceTime button, which lets you turn your call into a video call, when you're talking to someone who's also using an iOS device. We'll get to that in its own movie as well. And the button on the bottom left is the Add Call button, which is for creating conference calls. And we'll also take a look at that topic in its own movie. Now, you're not limited to just using the six buttons during a call. You can press the Home button to go to your Home screen and open other applications. For example, maybe you're planning a trip with the person on the other end and you want to check the weather for the weekend. Notice the green Touch to Return to Call area remains at the top of the screen.
You may come across some apps that won't work when you are on a call, but I'd say the majority them do. So during your call you can check the weather, refer to your calendar and do any number of other things. Multi-tasking also works during the call so you can just double click the Home button to run other apps. And again just touch the green area to the top of the screen to return to the in call screen. Other buttons you can press during your call include the Volume buttons which adjust the volume of your call. So, if you are having trouble hearing the person on the other end, you can turn the volume up. Or if they are too loud, turn the volume down. The only button you want to be careful with is the Sleep/Wake button.
Pressing that button ends the call. So unless you mean to hangup, don't press it. The screen will dim itself and eventually turn off if you don't touch anything during the call. And then tapping the screen will turn it back on. But there is no way to manually put the screen to sleep during a call. So again I'm going to press the Sleep/Wake button right now. And notice that ends the call. So those are the many options that are available to you during a call, with the exception of making a conference call and using the FaceTime feature. But again we'll look at those topics in their own movies.
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