User Guide

Chapter 5 Phone 51
Note: With CDMA, you can’t switch between calls if the second call was outgoing, but you can
merge the calls. You can’t merge calls if the second call was incoming. If you end the second call
or the merged call, both calls are terminated.
Conference calls

Note: Conference calls may not be available if your call is using VoLTE (Voice over LTE).
Create a conference call. While on a call, tap Add Call, make another call, then tap Merge Calls.
Repeat to add more people to the conference.

Drop one person: Tap next to a person, then tap End.

Talk privately with one person: Tap , then tap Private next to the person. Tap Merge Calls to
resume the conference.

Add an incoming caller: Tap Hold Call + Answer, then tap Merge Calls.
Emergency calls
Make an emergency call when iPhone is locked. On the Enter Passcode screen, tap Emergency
Call (to dial 911 in the U.S., for example).
Important: You can use iPhone to make an emergency call in many locations, provided that
cellular service is available, but you should not rely on it for emergencies. Some cellular networks
may not accept an emergency call from iPhone if iPhone is not activated, if iPhone is not

iPhone does not have a SIM card or if the SIM card is PIN-locked.
In the U.S., location information (if available) is provided to emergency service providers when
you dial 911. Please review your carrier’s emergency calling information to understand the limits
of emergency calling over Wi-Fi.
With CDMA, when an emergency call ends, iPhone enters emergency call mode for a few minutes
to allow a call back from emergency services. During this time, data transmission and text
messages are blocked.
Exit emergency call mode (CDMA). Do one of the following:

Tap the Back button.

Press the Sleep/Wake button or the Home button.

Use the keypad to dial a non-emergency number.