Now, let's take a 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 placed the phone 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 are holding the phone up to your ear. The sensor is located next to the earpiece speaker. Notice if I hold my finger over that area 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 deactivate the screens touch sensitivity, which prevents you from accidently tapping buttons with your cheek. And of course having the screen turned off, especially during long phone calls conserves battery power. But the second you take your 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 the screen's brightness to save power.
You can adjust the screen brightness settings in settings and we'll take a look at this in a later chapter. All right, so we're on a call. Let's look at these buttons. The first one is the Mute button. Tap it once and the person on the other end won't able to hear you, but you'll still be able to here 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 when 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 can 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. Again, maybe you're on a conference call and someone comes into the room to talk to you, you can tap the Hold button so you're not trying to listen to the call and the person in the room with you at the same time. To take the call Off Hold, tap and hold down on the button for about a second.
You can also get the button a quick double-tap to turn off Hold. Next is the keypad, which is for those times when you need to input touchtones during the call. For example, if you're calling a company's customer service line you might hear something like, touch 1 for technical support, touch 2 for sales, and so on. All you have to do is open up the keypad and touching the numbers will send the touchtones over the line. You also have the option to end the call from here if you are 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 Keypad to return to the 6 in call buttons.
Next to the Keypad is Speaker. This is how you turn on the speaker phone during a call. So if you're in a conference call where you are 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 the phone sitting on your desk. Tap Speaker again to return the audio to the earpiece speaker or if you're using the iPhone 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 if you're using a Bluetooth headset to talk during your call.
In that case the button will be labeled Audio instead of Speaker and you'll able to tap it to route 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 might be useful if you need to give information to the person you're talking to. You could also make a second call from here if you need to talk someone else during your current phone 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 Contact button is the FaceTime button, which lets you turn your call into a video call when you're talking someone who is also on an iOS device. We'll get to that in its own movie. The button on the bottom left is the Add Call button which is used 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 these 6 buttons during a call. You can press the Home button to go to your Home Screen and open other applications. For example, maybe you are planning a trip with the person on the other line and you want to check the weather for that 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 while you're on a call, but I would say that the majority of them do. So, during a call you can check the weather, refer to your calendar and do any number of other things. Multitasking also works during a call, so you can just double-click the Home button to run other apps. Again, just touch the green area at the top of the screen to return to the in call screen. Other buttons you can press during a call include the Volume buttons, which adjusts the volume of your call. So if you're having trouble hearing the person on the other line, you can turn the volume up, or if they're 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 hang up, don't press it. The screen will eventually dim itself and eventually turn off if you don't touch anything during a call and tapping the screen once will always turn it back on. But there's no way to manually put the screen to sleep during a call. Of course, once you're done with your phone call, you can tap End. So, those are many of the 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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