You cannot answer a third call without ending one of the first two calls or joining them into a conference call.
Conference CallsStart a conference call by joining an ongoing call and a call on hold. You then put the conference on hold and add up to five participants, or can make another call.
There may be additional charges for calls involving multiple parties, contact your network operator for more information.
To join the two calls into a conference call
}More } Join Calls.
To add a new participant
1} More } Hold to put the joined calls on hold.
2} More } Add Call and call the next person to add to the conference call.
3 } More } Join Calls.
4Repeat steps
To release a participant
} More } Release Party and select the participant to release from the conference call.
To have a private conversation
1} More } Talk to and select the participant to talk to.
2} More } Join Calls to resume the conference call.
Two Voice LinesMake separate calls with different phone numbers if your subscription supports alternate line service.
To select a line for outgoing calls
}Settings and use 
or 
to scroll to the Calls tab. Select line 1 or 2.
To change the name of a line
}Settings and use 
or 
to scroll to the Display tab } Edit Line Names. Select the line to edit.
View, add and edit your own phone numbers.
To check your phone numbers
}Special Numbers } My Numbers and select one of the options.
30Calling
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