▁both ▁ends ▁have ▁a ▁Face Time ▁HD ▁camera . ▁ ▁At ▁launch , ▁unlike ▁Mac ▁OS ▁X ' s ▁i Ch at , ▁Face Time ▁did ▁not ▁support ▁group ▁confer encing . ▁The ▁application ▁allowed ▁a ▁one - on - one ▁video ▁chat — only ▁two ▁people ▁could ▁talk ▁at ▁once . ▁If ▁a ▁second ▁user ▁called ▁and ▁the ▁user ▁answered , ▁the ▁video ▁chat ▁with ▁the ▁previous ▁user ▁would ▁end ▁and ▁a ▁new ▁video ▁session ▁began ▁with ▁the ▁second ▁caller . ▁In ▁iPhone , ▁if ▁a ▁phone ▁call ▁was ▁pending ▁and ▁the ▁user ▁attempts ▁to ▁answer , ▁the ▁video ▁call ▁ends ▁and ▁the ▁phone ▁call ▁began ▁with ▁the ▁next ▁user . ▁Support ▁for ▁group ▁video ▁confer encing ▁was ▁added ▁with ▁the ▁release ▁of ▁iOS ▁ 1 2 , ▁allowing ▁up ▁to ▁ 3 2 ▁people ▁to ▁particip ate ▁in ▁a ▁video ▁call ▁simultaneously . ▁ ▁In coming ▁notifications ▁on ▁iOS ▁devices ▁are ▁shown ▁during ▁a ▁Face Time ▁call , ▁but ▁if ▁they ▁are ▁opened , ▁the ▁video ▁will ▁be ▁tempor arily ▁paused ▁until ▁the ▁user ▁is ▁back ▁in ▁the ▁Face Time ▁app . ▁▁ ▁On ▁the ▁iPhone , ▁a ▁user ▁can ▁activ ate ▁Face Time ▁during ▁a ▁phone ▁call ▁by ▁pressing ▁the ▁Face Time ▁button ▁or ▁initi ated ▁Face Time ▁from ▁their ▁call ▁history ▁or ▁the ▁Contact s ▁application . ▁iOS ▁ 7 ▁and ▁newer ▁also ▁provide ▁a ▁separate ▁Face Time ▁app , ▁as ▁there ▁always ▁has ▁been ▁on ▁Apple ' s ▁non - tele phony ▁devices : ▁i Pad , ▁i