How to send please call me on cell c

How to send please call me on cell c.  Cell C please call me sms message is for free. Cell C clients can send 7 free calls me per day to any network.
To send a please call me from Cell C network dial *111*<cellphonenumber>#
As with all network providers, Cell C offers a free SMS service where you can send a please call me message requesting the recipient to call you back.