Frequently Asked Questions:
1. What is Caller Alert?
2. How does it work?
3. How am I charged for this service?
4. Who is eligible to enjoy this service?
5. I am a GSM1800 postpaid subscriber, can i subscribe for this service?
6. I am a prepaid subscriber, can I subscribe for this service?
7. Is there monthly subscription for this service?
8. Can Caller Alert work when I'm roaming to other countries?
9. How do I receive the SMS notifications for calls made to my mobile phone during the period when I am not reachable?
10. Can i change the limit of Notification SMS sent per day?
11. Is the time and date of SSMS an indication of when the caller tried calling me? How long will i take for the notification SMS to be sent out?
12. Can I opt out of Caller Alert?
13. I am a Voicemail subscriber. Can i enjoy Caller Alert?
14. Will I automatically enjoy Caller Alert when i terminate my VoiceMail, OneMail, Duoline, or Mobile No-Miss service?
15. Will I receive notification messages of calls from M1/Starhub subscribers?
16. Will I receive notification messages of calls from SingTel mobile prepaid subscribers?
17. As a caller, will I be charged for using Caller Alert?
18. Will I incur extra charges for the notification SMS sent to the Caller Alert subscriber I am calling?
19. As a postpaid caller roaming overseas, will i be charged when i am diverted to Caller Alert
20. As a prepaid caller roaming overseas, will I be charged when i am diverted to Caller Alert?
21. As a prepaid mobile subscriber, will I get Caller Alert SMS when i miss a local call?
1. What is Caller Alert?
Caller Alert is a free service brought to you by SingTel Mobile. It aims to assist our customers (On GSM 900 & 3G networks) in managing their incoming calls. It is designed for mobile users who do not want to miss any important or urgent calls because
a. their mobile phone is switched off* e.g. during important meetings
b. their mobile phone battery is flat*
c. they are out of mobile network coverage in certain remote areas
Note: Caller Alert is not applicable for customers with VoiceMail / Mobile No-Miss / OneMail / OneNumber / Duoline / Number Portability (to other service providers) / Data and GPRS main line.
* Includes overseas
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2. How does it work?
a. Caller dials your mobile phone number
b. Your mobile number is in unreachable mode (Mobile phone is switched off, phone battery is flat or no mobile network coverage in certain remote areas)
c. The caller will hear an IVR prompt, informing him that his calling number will be sent to the recipient. However, caller with Caller-Number-Non-Display will have the option not to send his calling number.
d. A notification message (SMS)* is then sent to you. This notification SMS will be delivered to you as a standard text SMS.
e. Caller's phone number is displayed as SMS on your phone. For example, if the caller's phone number is 12345678, the SMS will display 12345678.
*Calls made from overseas or public pay phones will not be sent.
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3. How am I charged for this service?
The Caller Alert service comes FREE for all SingTel Mobile GSM900 postpaid subscribers. There are no extra charges for the notification message (SMS).
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4. Who is eligible to enjoy this service?
All existing GSM900 postpaid subscribers, who are not subscriber of VoiceMail / Mobile No-Miss / OneMail / OneNumber / Duoline / Number Portability (to other service providers) / Data and GPRS main line will have this feature automatically provisioned for them.
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5. I am a GSM1800 postpaid subscriber, can I subscribe for this service?
Yes, but you will need to exchange your G18 SIM Card with a G9 SIM Card in order to enjoy this service. There is no change to your existing mobile number and price plan.
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6. I am a prepaid subscriber, can I subscribe for this service?
No, this service is available to GSM900 postpaid subscribers only.
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7. Is there monthly subscription for this service?
There is NO registration fee and monthly subscription fee for this service.
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8. Can Caller Alert work when I'm roaming to other countries?
Caller Alert will work only in the event when the mobile phone is turned off. SMS notifications will be sent once the mobile phone is switched on again.
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9. How do I receive the SMS notifications for calls made to my mobile phone number during the period when I am not reachable?
The Caller Alert service is restricted to
a) 20 notification messages (SMS) per day; and
b) 1 alert for each missed called
Example 1 for 20 notification messages per day
Person A switched off his phone for one day. Person B tried calling A once every half an hour for that day (i.e. a total of 24 attempts to call A). Due to the limit of 20 notification messages, A will receive 20 notification messages when he switches on his mobile phone.
| Date & Time of Call | Caller/Sender | No of SMS sent | | 1. | 02 Jan 0900hrs | CallerB | (CallerAlert) 1st Notification Message sent | | 2. | 02 Jan 0930hrs | CallerB | (CallerAlert) 2nd Notification Message sent | | 3. | 02 Jan 1000hrs | CallerB | (CallerAlert) 3rd Notification Message sent | | 4. | 02 Jan 1030hrs | CallerB | (CallerAlert) 4th Notification Message sent | | 5. | 02 Jan 1100hrs | CallerB | (CallerAlert) 5th Notification Message sent | | 6. | 02 Jan 1130hrs | CallerB | (CallerAlert) 6th Notification Message sent | | 7. | 02 Jan 1200hrs | CallerB | (CallerAlert) 7th Notification Message sent | | 8. | 02 Jan 1230hrs | CallerB | (CallerAlert) 8th Notification Message sent | | 9. | 02 Jan 1300hrs | CallerB | (CallerAlert) 9th Notification Message sent | | 10. | 02 Jan 1330hrs | CallerB | (CallerAlert) 10th Notification Message sent | | 11. | 02 Jan 1400hrs | CallerB | (CallerAlert) 11th Notification Message sent | | 12. | 02 Jan 1430hrs | CallerB | (CallerAlert) 12th Notification Message sent | | 13. | 02 Jan 1500hrs | CallerB | (CallerAlert) 13th Notification Message sent | | 14. | 02 Jan 1530hrs | CallerB | (CallerAlert) 14th Notification Message sent | | 15. | 02 Jan 1600hrs | CallerB | (CallerAlert) 15th Notification Message sent | | 16. | 02 Jan 1630hrs | CallerB | (CallerAlert) 16th Notification Message sent | | 17. | 02 Jan 1700hrs | CallerB | (CallerAlert) 17th Notification Message sent | | 18. | 02 Jan 1730hrs | CallerB | (CallerAlert) 18th Notification Message sent | | 19. | 02 Jan 1800hrs | CallerB | (CallerAlert) 19th Notification Message sent | | 20. | 02 Jan 1830hrs | CallerB | (CallerAlert) 20th Notification Message sent | | 21. | 02 Jan 1900hrs | CallerB | (CallerAlert) not sent (Exceed limit of 20 per day) | | 22. | 02 Jan 1930hrs | CallerB | (CallerAlert) not sent (Exceed limit of 20 per day) | | 23. | 02 Jan 1945hrs | CallerB | Subscriber C (SMS Msg) sent and received successfully | | 24. | 03 Jan 2000hrs | CallerB | (CallerAlert) not sent (Exceed limit of 20 per day) |
* Note: The maximum number of notification messages, which can be received by the Caller Alert subscriber per day, will not affect the number of usual SMS sent and received.
Example 2 for notification message sent within 48-hour time frame
The following numbers tried to call Person A and the notification message (Caller Alert) is activated.
- Person B [Tel: 12345678] called on 7 Jan 03 at 9.00am
- Person C [Tel: 23456789] called on 7 Jan 03 at 11.00am
- Person D [Hp: 93456789] called on 8 Jan 03 at 3.30pm
Person A switches on his mobile phone on 9 Jan 03 at 10.00am. He will only receive the notification messages on calls from Person C (Tel: 23456789) and Person D [Hp: 93456789] but not Person B [Tel: 12345678]. The notification message has expired after 48 hours.
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10. Can I change the limit of Notification SMS sent per day?
No, the limit of 20 Notification SMS is a default feature for this service.
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11. Is the time and date of SMS an indication of when the caller tried calling me? How long will it take for the notification SMS to be sent out?
No, it may not be an indication of when the caller tried to call you. We will try to send the notification SMS to you immediately. However, the following factors will affect the time and date which you will received the notification SMS.
a. The phone memory is full
b. The earliest time when you switch on your phone
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12. Can I opt out of Caller Alert?
Yes, you may do so by calling 1626 or use *Send 129.
Steps when deactivate via *SEND 129:
Receive Reply from: 727129
Message Content: Caller Alert is Free and helps you manage your missed calls when your phone is switched off. To deactivate, reply ¡±1¡± to confirm your request.
Reply: 1
Receive Reply from: *Send Help
Message Content: Thank you. Your request will be processed within 2 working days. To activate Caller Alert, please call 1626.
Alternatively, your Caller Alert service will be terminated should you subscribe to VoiceMail, One-mail, Duoline, Mobile No-Miss, Number Portability (to other service providers), or Data and GPRS main lines.
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13. I am a Voicemail subscriber. Can I enjoy Caller Alert?
No, you will not be able to subscribe to Caller Alert because your existing mobile voicemail has superior features as compared with Caller Alert. Besides supporting the notification SMS alert functionality when a phone is switched off, mobile voicemail also provides notification SMS alerts when you are busy and when the call is unanswered and allows the caller to have a voice message for you.
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14. Will I automatically enjoy Caller Alert when I terminate my VoiceMail, One-mail, Duoline, or Mobile No-Miss service?
Yes, if you are a GSM900 postpaid subscriber, Caller Alert will be automatically provisioned when you terminate your Voicemail, One-mail, Duoline or Mobile No-Miss service.
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15. Will I receive notification messages of calls from M1 / StarHub subscribers?
Yes, you will be able to receive notification messages of calls from subscribers of other local service providers.
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16. Will I receive notification messages of calls from SingTel Mobile prepaid subscribers?
Yes, you will be able to receive notification messages of calls from SingTel Mobile prepaid subscribers. (This is the enhancement in the service)
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17. As a caller, will I be charged for using Caller Alert?
Both prepaid and postpaid subscribers will be charged the standard airtime rates in making the call and not for Caller Alert:
1) This is a similar charging principle to reaching a called party's voicemail
2) This is in alignment with M1 and StarHub subscribers, whereby both their pre-paid and post-paid subscribers will be charged standard airtime for making the call
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18. Will I incur extra charges for the notification SMS sent to the Caller Alert subscriber I am calling?
There will be no extra charge for sending of the notification SMS to the Caller Alert subscriber.
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19. As a postpaid caller roaming overseas, will I be charged when I am diverted to Caller Alert?
You will not incur roaming airtime charges when you are diverted to Caller Alert (applicable for Autoroam, Pay-as-you-roam, GD121).
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20. As a prepaid caller roaming overseas, will I be charged when I am diverted to Caller Alert?
You will not incur roaming airtime charges when you are diverted to Caller Alert, while using *131*. With this enhancement, SingTel Mobile prepaid subscribers can enjoy the Caller Alert service FOC while roaming. Prepaid subscribers of other service providers will be charged roaming airtime accordingly.
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21. As a prepaid mobile subscriber, will I get Caller Alert SMS when I miss a local call?
No, Caller Alert service is only applicable to postpaid subscriber. However, with this enhancement, you as a prepaid subscriber will be diverted to Caller Alert if the recipient is a subscriber of the Caller Alert Service.
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