Mobile conference call Make a group call with up to five people at a time and manage your quick business with people in different locations. How to make mobile conference calls Make your first callWait for your receiver to replyPlace the current call on hold and tap “add call” to make the second callDial the other number and wait for the answerChoose the option “conference” or “Merge call”, now you are in conference with both parties.To add more people to the conference, repeat step 3 to 5 TariffYou will be charged with normal voice call tariff for the multiple calls you have made.