How to setup conditional call forwarding on your iPhone running iOS 8.x or earlier version.

How to setup conditional call forwarding on your iPhone running iOS 8.x or earlier version.

The codes are as follows: 1) To setup "Call forward if busy", simply dial *67*{NumberRetrieved}*11# and tap "Call" 2) To setup "Call forward if not answered", simply dial *61*{NumberRetrieved}*11*15# and tap "Call" 3) To setup "Call forward if unreachable", simply dial *62*{NumberRetrieved}*11# and tap "Call" 1) To deactivate "Call forward if busy", Simply dial #67# and tap "Call" 2) To deactivate "Call forward if not answered", Simply dial #61# and tap "Call" 3) To deactivate "Call forward if not reachable", Simply dial #62# and tap "Call"