To send an SOS call ne back message on the Orange network, Cameroun,a subscriber must have a credit balance of 230 FRS in account.
SOS call back code on Orange Cameroun :
#146*addressee number #.
Then press call key.
NOTE: The Orange Cameroun "SOS call me back free SMS message can not be used more than three times daily.
(MTN,ORANGE CAMEROUN "SOS CALL ME BACK" code)