The typical procedure to create a conference call is (you are phone "B" ok?):
Phone A calls Phone B
Phone B answers the phone.
Phone C calls Phone B.
Phone B will notice that,then press the flash button and release,keep the phone with phone A.
Phone B press the key 2,and start the call with Phone C.
Phone B press the flash button and release,press the Key 3,then the three phones can talk to each other.
Phone A calls Phone B
Phone B answers the phone.
Phone C calls Phone B.
Phone B will notice that,then press the flash button and release,keep the phone with phone A.
Phone B press the key 2,and start the call with Phone C.
Phone B press the flash button and release,press the Key 3,then the three phones can talk to each other.
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