Answered question
Two days ago I used call forwarding for about 1 hour.After that every day the service switching on itself 2-3 times a day(I see icon)I have to turn off manually.Any idea what’s going on?
Try to deactivate or remove code
SERVICE
ACTION
CODE
Universal call forwarding (all calls)
CFU (Call Forward Universal)
Initiate
**21*dial number#
Review
*#21#
Reactivate
*21#
Deactivate
#21#
Remove
##21#
Forwarding when the line is busy
CFB (Call Forwarding on Busy)
Initiate
**67*dial number#
Good luck
Other answers
Thank You Sergio.I forgot this option.I hope this helps.