Step 1: Dial *514# (toll free) and press the call button
Step 2: Select the language of the announcements
Step 3: Select 1 to subscribe
Or alternatively you can also call 55144 and follow the interactive voice menu
Your service will be activated within 4 hours and you will be intimated through SMS.
Or you can also activate by an sms ACT CFS to 111 (toll free) for Postpaid customers / sms ACT CFS to 144 (toll free) for Prepaid customers.
Deactivation – sms CAN CFS to 111 (toll free) for Postpaid customers / sms CAN CFS to 144 (toll free) for Prepaid customers