Learn how to make conference call on your HTC One. Conference calling with your friends, family, or co-workers is easy. Make the first call (or accept a call), and then simply dial each subsequent call to add it to the conference.
Note: Make sure your SIM card is enabled with conference calling service. Contact your mobile operator for details.
Make a call to the first conference call participant.
When connected, tap Menu icon > Add call, and then dial the number of the second participant. The first participant is put on hold.
When connected to the second participant, tap Join icon.
To add another participant, tap Add call icon, and then dial the number of the contact.
When connected, tap Join icon to add the participant to the conference call.
To talk to a person in the conference call in private, tap icon and then select Private call.
To end the call with a participant, tap icon and then tap Finish this call.
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