Interactive USSD *189#
To subscribe To Call Screening Service
To activate/ deactivate the Welcome Call Service
Request Welcome Calls List
Request blocked Calls List
Add Welcome/blocaed Calls List
IVR *189#
To subscribe to Call Screening Service
Step 1
Press *
1
8
9
and press '1' To subscribe
and press '1' To subscribe
Step 2
Please wait for the confirmation SMS shortly
Add/remove number into Blocked Calls
Step 1
Dail *
1
8
9
and press '1' Blocked Calls
and press '1' Blocked Calls
Step 2
Press '2' choose Add phone number into Blocked
Calls list
Step 3
Press '3' choose Remove phone number into
Blocked Calls list
Add/remove number into Welcome Calls list
Step 1
Press *
1
8
9
and press '2' Welcome Calls
and press '2' Welcome Calls
Step 2
Press '2' choose Add phone number into Welcome
Calls list
Step 3
Press '3' choose Remove phone number into
Welcome Calls list
Manage Incoming Calls
Step 1
Dail *
1
8
9
and press '2' Welcome Calls
and press '2' Welcome Calls
Step 2
Press '4' choose Manage incoming calls
1) To active Welcome Calls
2) To inactive Welcome Calls
1) To active Welcome Calls
2) To inactive Welcome Calls
Service Fee
| Service | Service Fee (7% VAT exclusive) |
| Call Screening service (Monthly Fee) | 30 Baht/month |
| Using the service via IVR *189… | 3 Baht/minute |
| SMS to inform Blocked Calls and Welcome Calls list number | 1 Baht/SMS |
| Using the service via Interactive USSD *189#… and eService |
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