Apple iPhone OS 3.1 - Manual (Page 50)

Mute your line Tap Mute. You can still hear the caller, but the
caller can’t hear you.
Use the keypad to enter information Tap Keypad.
Use the speakerphone or a Bluetooth device Tap Speaker. The Button is labeled Audio Source
when a Bluetooth device is available, which
lets you select the Bluetooth device, iPhone,
or Speaker Phone.
See contact information Tap Contacts.
Put a call on hold Tap Hold. Neither party can hear the other.
Make another call Tap Add Call.
Use other applications during a call: Press the Home button, then tap an
application icon.
End a call: Tap End Call. Or press the center button on your iPhone headset (or the
equivalent button on your Bluetooth headset).
Second Calls
During a call, you can make or receive another call. If you receive a second call, iPhone
beeps and shows the caller’s information and a list of options.
Note: Making and receiving a second call may be an optional service in some
countries. Contact your carrier for more information.
Respond to a second call:
• To ignore the call and send it to voicemail, tap Ignore.
• To hold the first call and answer the new one, tap Hold Call + Answer.
• To end the first call and answer the new one, tap End Call + Answer.
Make a second call: Tap Add Call. The first call is put on hold.
Switch between calls: Tap Swap. The active call is put on hold.
Create a conference call: Tap Merge Calls. See “Conference Calls” below.
Conference Calls
You can talk to more than one person at a time, and merge up to five calls, depending
on your carrier.
Note: Conference calling may be an optional service in some countries. Contact your
carrier for more information.
Create a conference call:
1 Make a call.
2 Tap Add Call and make another call. The first call is put on hold.
3 Tap Merge Calls. The calls are merged on one line and everyone can hear each other.
50 Chapter 3 Phone