How can I activate or deactivate the service?
| Process | Activation | Deactivation |
|---|---|---|
| SMS | Type 'A' and SMS to 9191 | Type 'R' and SMS to 9191 |
| USSD | Dial *900# and follow the instruction | Dial *900# and follow the instruction |
| IVR | Dial 900 and follow the instriction | Dial 900 and follow the instruction |
