1. 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

  2. How do I use Call Barring?

    To Activate
    Enter 
    star
     <call barring code> 
    star
    <Password>
    hash
     
    call
    To Cancel

    1 Call: Enter 
    hash
     <call barring code> 
    star
     <Password> 
    hash
     
    call

    All Calls:  Enter 
    hash
    <330> 
    star
     < Password> 
    hash
     
    call

    To Verify 
    Enter
    star
     
    hash
     <call barring code> 
    hash
     
    call

    Change Password

    Enter
    star
     
    star
    < 03> 
    star
    <330> 
    star
    <old password> 
    star

    <New Password> 
    star
    <New Password>
    hash

    Note: Default password is 1234.