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Value Added Services - Outgoing Call
Screening

With SingTel Outgoing Call Screening service, you are able to prevent certain calls from being made from your telephones, by presetting all the numbers you wish to block.



How does Outgoing Call Screening work?

Outgoing Call Screening can be used to prevent calls to:

  • Up to 10 specific telephone, mobile phone or pager numbers.
  • A selected group of numbers by presetting only one number.

If you preset '1' only in the list, all numbers beginning with '1' such as 1711, 1609, 1626, 1800-xxxxxxx, 1900-xxxxxxx, will be barred.

If you preset any few beginning numbers such as '6838' you will not be able to call any numbers with '6838 xxxx'

To block any overseas calls, preset the first and only number to be '0' as all overseas access begin with '0'.

Should you wish to prevent calls to mobile phones/pagers, you should only preset the specific mobile phone/pager numbers. By presetting '9' as the first and only number, you will be blocking essential services such as 999 and 995.

After presetting the list of telephone numbers, you will need to activate the service.

To preset a Telephone Number

You can preset up to 10 telephone numbers to which you do not want calls to be made.
 
1.Choose an Outgoing Call Screening code from 00-09.
2.

Lift the handset and wait for the dial tone.

3.

Key in 8 * PIN XX YYYYYYYY #

PIN = 5-digit PIN

XX = 2-digit Outgoing Call Screening code from 00 to 09 to indicate

number position

YYYYYYYY = 1 to 8-digit phone number you wish to block

Example: 8 * 12345 00 61234567 #

4.Wait for the acceptance tone (or repeated tone) indicating that the number has been preset, and then replace the handset. If the presetting is unsuccessful, you will hear an engaged tone.
5.Replace the handset.
6.Repeat this procedure for each phone number to be preset.

 
To delete a preset Telephone Number
 
1.

Lift the handset and wait for the dial tone.

2.

 Key in 8 * PIN XX #

PIN = 5-digit PIN

XX = 2-digit Outgoing Call Screening code from 00 to 09 to indicate number position

Example: 8 * 12345 00 #

3.Wait for the acceptance tone (or repeated tone) indicating that the number has been deleted, and then replace the handset. If the deletion is unsuccessful, you will hear an engaged tone.
4.Replace the handset.
5.Repeat this procedure for each phone number to be deleted.

 
To Activate and Deactivate
 
1.Lift your handset and wait for dial tone.
2.To Activate : Key in # 870 PIN #
To Deactivate      : Key in # 871 PIN #
Your default PIN is 12345
3.Wait for the acceptance tone (or repeated tone) indicating that the service has been activated/deactivated, and then replace handset. If the activation/deactivation is unsuccessful, you will hear an engaged tone.
4.Replace the handset.
5.Repeat the procedure if unsuccessful.

 
To Change your PIN Number
 
1.

Lift your handset and wait for the dial tone.

2.

Key in # 880 Old PIN * New PIN * New PIN #

Example: # 880 12345 * 54321 * 54321 #

3.Wait for the acceptance tone (or repeated tone) indicating that the new PIN has been activated. If the change is unsuccessful, you will hear an engaged tone.
4.Replace the handset.

 

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