Huawei Ascend G510 User Guide - Manual (Page 34)

Calls
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To return to the call screen, flick down from the status bar to open the
notification panel and touch Current call.
Making a conference call
Making conference calls with your friends, family and co-workers is easy
with your phone.
Before you make conference calls, make sure that you have subscribed
to this service. For details, contact your service provider.
1. Call the first participant.
2. When the call is connected, touch > to call the second
participant.
The first participant will be placed on hold.
3. When the second call is connected, touch to start a conference call.
4. To add more people to the call, repeat steps 2 and 3.
5. Touch to end the call.
Answering a third-party call
Before you answer a third-party call, make sure that you have turned on call
waiting.
1. If a call comes in when you are already busy on the phone, drag right
to answer the new call and place the first call on hold.
2. To switch between the two calls, touch .