Diverts
This is a free feature that allows you to transfer your calls from your number to another.
Simply put in the numbers below.
All Calls: *21*+356number#
When there is no answer: *61*+356number#
When it is unreachable: *62*+356number#
When busy: *67*+356number#
Missed call notification: *21*35677121123#
Voice Mail: *21*35677121121#
To cancel a previously set divert on your mobile.
All diverts ##002#
If not answered #61#
If unreachable #62#
If busy #67#
Call divert might not work if you are roaming so you need to set the call forwarding manually from your handset settings.