[Official] SingTel SIM Only Plans

[maumu]

Also double-check your settings if your phone has the "allow data switching" feature. Not sure if that also works while roaming, but better safe than sorry.

I don't have this "allow data switching" feature on my Android (Honor)... but I have this "Call forwarding between SIMs" (When a SIM is unvailable, forward incoming calls to the other SIM.)

So let's say my main SIM is SingTel SIM-only and my second SIM is eight/SIMBA with free voice roaming, will I get charged by SingTel if someone call my SingTel number and it is forwarded to my eight/SIMBA number while I am overseas?

 

[tohchr]

I don't have this "allow data switching" feature on my Android (Honor)... but I have this "Call forwarding between SIMs" (When a SIM is unvailable, forward incoming calls to the other SIM.)

So let's say my main SIM is SingTel SIM-only and my second SIM is eight/SIMBA with free voice roaming, will I get charged by SingTel if someone call my SingTel number and it is forwarded to my eight/SIMBA number while I am overseas?

This is what I usually do, no additional charges, tested by me.
Before plane took off, forward all my Singtel calls to Simba. Go to settings and TURN OFF Singtel line. Leave only SIMBA line active. Come back SG, then I turn ON my Singtel line and cancel the call forwarding.

Do not turn on Singtel line while in Overseas, because the line might detect you are Overseas and the forwarding become IDD forwarding.

 

[xiaofan]

This is what I usually do, no additional charges, tested by me.
Before plane took off, forward all my Singtel calls to Simba. Go to settings and TURN OFF Singtel line. Leave only SIMBA line active. Come back SG, then I turn ON my Singtel line and cancel the call forwarding.

Do not turn on Singtel line while in Overseas, because the line might detect you are Overseas and the forwarding become IDD forwarding.

The problem with this way is that you will not get the free roaming incoming SMS.

Apple iOS may have SMS/iMessage forwarding option, but not for Android.

In the end, I just do the following and no issues so far.

1) enable the default Auto Subscription to ReadyRoam

2) disable data roaming on the phone

3) ignore voice calls.

4) use another line for roaming data.

I have used the following for roaming data last time.
a) local SIM Card
b) StarHub prepaid roaming data
c) eight/SIMBA/CUniq and giga data eSIM for recent trip to China.
d) SingTel Mobile roaming for business trips when I got the company phone last time. From there I knew how expensive it was to have a call on the phone either using roaming data or roaming voice calls.

 

[skazzz]

I don't have this "allow data switching" feature on my Android (Honor)... but I have this "Call forwarding between SIMs" (When a SIM is unvailable, forward incoming calls to the other SIM.)

So let's say my main SIM is SingTel SIM-only and my second SIM is eight/SIMBA with free voice roaming, will I get charged by SingTel if someone call my SingTel number and it is forwarded to my eight/SIMBA number while I am overseas?

No charged

This information was provided in the below link.

For Singapore-to-Singapore call forwarding, both the forwarded call from number A to B and the received call are treated as local calls.
Since with free incoming calls during roaming, this approach works 100%.

Regarding your question in the previous thread: if voice roaming is unavailable but there is network coverage, SMS will function normally. The issue with IDD forwarding will not affect you since voice roaming is not enabled in the first place.


https://forums.hardwarezone.com.sg/...-singtel-mvno.6647818/page-544#post-158230897

 

[skazzz]

Do not turn on Singtel line while in Overseas, because the line might detect you are Overseas and the forwarding become IDD forwarding.

I checked with AI on this matter — it’s a valid point to raise, but too risky to attempt.

 

[tohchr]

I checked with AI on this matter — it’s a valid point to raise, but too risky to attempt.

Because previously I Kenna before. But that was quite a few years back, before covid.

 

[tohchr]

The problem with this way is that you will not get the free roaming incoming SMS.

Apple iOS may have SMS/iMessage forwarding option, but not for Android.

In the end, I just do the following and no issues so far.

1) enable the default Auto Subscription to ReadyRoam

2) disable data roaming on the phone

3) ignore voice calls.

4) use another line for roaming data.

I have used the following for roaming data last time.
a) local SIM Card
b) StarHub prepaid roaming data
c) eight/SIMBA/CUniq and giga data eSIM for recent trip to China.
d) SingTel Mobile roaming for business trips when I got the company phone last time. From there I knew how expensive it was to have a teleconference on the phone either using roaming data or roaming voice calls.

Yup, con is you can't receive sms..

 

[froztheart]

I won't ask... coz I "trust" ST to do the incredible.

 

[froztheart]

This is what I usually do, no additional charges, tested by me.
Before plane took off, forward all my Singtel calls to Simba. Go to settings and TURN OFF Singtel line. Leave only SIMBA line active. Come back SG, then I turn ON my Singtel line and cancel the call forwarding.

Do not turn on Singtel line while in Overseas, because the line might detect you are Overseas and the forwarding become IDD forwarding.

Yup, don't get charged cause you turn it off entirely for your ST and setup fowarding. But can't receive SMS if you need for banking etc. but nowadays most no longer utilising SMS OTP MFA.
IIRC will get charged if incoming while roaming.

 

[maumu]

...
IIRC will get charged if incoming while roaming.

do you mean will get charged for incoming SMS while roaming, or incoming calls while roaming?

I thought most incoming SMS while roaming is free? e.g. receiving bank OTP when I'm overseas while on a different network roaming partner (e.g. Maxis Malaysia).

 

[froztheart]

do you mean will get charged for incoming SMS while roaming, or incoming calls while roaming?

I thought most incoming SMS while roaming is free? e.g. receiving bank OTP when I'm overseas while on a different network roaming partner (e.g. Maxis Malaysia).

Sorry, charged for incoming calls while roaming.
Incoming SMS definitely not an issue.

 

[uncle_josh]

thanks. I won't unsubscribe then. will leave it (default). initially I was worried it'll auto subscribe once it detects the overseas network, but thanks to your sharing of the TnC, it'll only be activated / auto-subscribed if there's roaming data detected.

don't itchy hand toggle the data roaming to be ON in my phone setting can liao.

see lah, backside itchy change from Starhhub to Singtel.
Starhub no contract and unlimited roaming calls & sms.

 

[maumu]

see lah, backside itchy change from Starhhub to Singtel.
Starhub no contract and unlimited roaming calls & sms.

dunno why you're here to promote SH when it's a ST thread. if you're referring to me porting out from SH Prepaid, it's because I've never intended to stay on SH all along. M1 as well. I've always preferred ST or ST MVNOs.

anyway... 95% of the time I'm in SG so I'm not particular about roaming. at most like some have suggested, I'll get another SIM from eight or SIMBA for roaming calls by call-forwarding.

 

[mahler_qs]

The problem with this way is that you will not get the free roaming incoming SMS.

Apple iOS may have SMS/iMessage forwarding option, but not for Android.

In the end, I just do the following and no issues so far.

1) enable the default Auto Subscription to ReadyRoam

2) disable data roaming on the phone

3) ignore voice calls.

4) use another line for roaming data.

I have used the following for roaming data last time.
a) local SIM Card
b) StarHub prepaid roaming data
c) eight/SIMBA/CUniq and giga data eSIM for recent trip to China.
d) SingTel Mobile roaming for business trips when I got the company phone last time. From there I knew how expensive it was to have a call on the phone either using roaming data or roaming voice calls.

Just to check - not answering the call means we won’t get charge, ie just let the phone ring thru?

 

[xiaofan]

Just to check - not answering the call means we won’t get charge, ie just let the phone ring thru?

In most cases you will not get charged.

On the other hand, the roaming partner networks are complicated, there may be corner cases that you will still get charged.

Recent report from Zym thread.

Hi quick question,

I was being charged while overseas for 2 missed calls. $5 each.
Both times i let the call "ring" finish and didnt reject at all. iPhone live voicemail + call forwarding are off.

So i dunno why i am being charged. Asked zym whatsapp, tell me no wavied due to legit charges. (abit nonsense imo)

So now. If same thing occur when i am overseas, should i REJECT the call?
Some stated online Reject will incur charges (hence i let the call "ring" finish)

Yup I sent SS of both called indicating clearly they are MISSED calls. Still they said cant be waived.


Hence should i just reject the calls while overseas in the future? Can i do that or still considered valid roaming call.

That is strange, no idea then.

Reject the call -- usually no charge if using VoLTE, got charges if the roaming network is not using VoLTE but using CSFB Fallback (Circuit Switched Fallback). This is what I learnt from the reports in Reddit.

Ignore the call -- by right there will usually be no charges. But if the roaming network does not support VoLTE but using CSFB Fallback (Circuit Switched Fallback), you might still get charged.

No idea why you still got the charges. Which place do you go? Are the roaming network supporting VoLTE?

Make sure you also turn off iPhone "Call Screening". I understand that you have already turn off live voicemail.

I had three valid voice calls during my short trip to China in December with my SingTel SIM Only main line (data roaming disabled on the phone). I ignored two of the calls. But I forgot and rejected the third call. Then I used SIMBA/eight to call back.

I was not charged for all three calls. The roaming network (China Mobile 5G NSA or 4G LTE) supports VoLTE.

 

[mahler_qs]

In most cases you will not get charged.

On the other hand, the roaming partner networks are complicated, there may be corner cases that you will still get charged.

Recent report from Zym thread.

Thanks @xiaofan !

 

[Lonelyoldman80]

I just check my mobileshare number is under 5g+ priority speed. That's strange

 

[jtec14]

Same here, data roaming off in app, in China now, having problems connecting to their local partners.

Haven't try turning on but don't understand why they need data roaming just for calls and smses

So my latest bill showed my wife line incurred $0.31 for data roaming in China while mine nothing. This is after activating data roaming in mysingtel app but disabled in phones for both our lines.

Not sure what happened, but small amount so lazy to check with CSO.

 

[maumu]

So my latest bill showed my wife line incurred $0.31 for data roaming in China while mine nothing. This is after activating data roaming in mysingtel app but disabled in phones for both our lines.

Not sure what happened, but small amount so lazy to check with CSO.

do you mean 'Auto-Subscribe to ReadyRoam' is active when you say "activating data roaming in mySingtel app"?

Or the 'Data Roaming (Network)' is active under the Roaming tab on the app?

 

[jtec14]

do you mean 'Auto-Subscribe to ReadyRoam' is active when you say "activating data roaming in mySingtel app"?

Or the 'Data Roaming (Network)' is active under the Roaming tab on the app?

The latter, I won't be able to connect to their local partners' network for calls and smses if i switch off even though no intention to use their data roaming. Phones side disabled data roaming on the sim.