Frequently Asked Questions
- What is Call Barring?
Call Barring gives you the option of barring incoming and/or outgoing calls on your mobile phone. There are five types of Call Barring services.
Call Barring Type Call Barring Code Bar all outgoing calls 33 Bar all incoming calls 35 Bar outgoing IDD calls 331 Bar outgoing IDD calls except to Singapore when roaming 332 Bar all incoming calls when roaming 351
- How do I use Call Barring?
To Activate Enter 
<call barring code> <Password> 
To Cancel 1 Call: Enter <call barring code> <Password> 
All Calls: Enter <330> <Password>
To Verify Enter 
<call barring code> Change Password Enter <03> <330> <old password> <New Password> <New Password> Note: Default password is 1234.
