Digitalbanana Posted August 30, 2022 Share Posted August 30, 2022 Hi, Not too clued up on this but I need to travel to overseas for a few weeks and if possible keep my DTAC number active whilst there the cheapest way possible? How to do? Do I need to sign up for something extra, the SIM is already checked for international roaming, or just keep going, make sure data is off and use phone sparingly? I will just need it to receive OTPs occasionally I guess and will at most other times have access to the internet, Line, WhatsApp etc by using a local wifi? I think I read somewhere you can use DTAC number off of wifi but not sure how that works? Thanks for any tips. Link to comment Share on other sites More sharing options...
scubascuba3 Posted August 30, 2022 Share Posted August 30, 2022 I would also ensure internet banking works as back up in case OTPs don't work causing banking app issues Link to comment Share on other sites More sharing options...
Photoguy21 Posted August 30, 2022 Share Posted August 30, 2022 Get International Roaming on your phone. DTAC only have to activate it but it will cost you a couple of thousand Baht I would guess. 1 Link to comment Share on other sites More sharing options...
yeahbutif Posted August 30, 2022 Share Posted August 30, 2022 If its pay as you go SIM.. every time you top up even 10 bhat you get an extra month valid. I took mine to shop and Said I want sim to still be active when I get back and get OTP in UK.... She toped it up about a 10 times. 1 Link to comment Share on other sites More sharing options...
Popular Post Bruno123 Posted August 31, 2022 Popular Post Share Posted August 31, 2022 Disable DTAC Internet Direct Number (USSD) *104*72*9# Enable DTAC Internet Direct Number (USSD) *104*71*9# Extend your validity for up to 365 days at a cost of 3 Baht per month. Press : *113*30*9# for 30 days extension. Cost 3 Baht Press : *113*60*9# for 60 days extension. Cost 6 Baht Press : *113*90*9# for 90 days extension. Cost 9 Baht Press : *113*180*9# for 180 days extension. Cost 15 Baht 1 3 Link to comment Share on other sites More sharing options...
Popular Post soi3eddie Posted August 31, 2022 Popular Post Share Posted August 31, 2022 (edited) I kept my DTAC prepaid SIM active from 2004 to 2020 and it sat on my desk in the UK most of that time. I needed it for receiving OTPs and for use when in Thailand. No cost to activate international roaming or for receiving SMS whilst overseas. I did receive the occasional call and cost was not too bad if kept short. Using it for outgoing calls or internet would have been expensive although nowadays they will sell an inclusive package which varies in price depending on regions or countries to be visited. Just need to ensure that roaming is active before departing Thailand. Edited August 31, 2022 by soi3eddie 2 1 Link to comment Share on other sites More sharing options...
Digitalbanana Posted August 31, 2022 Author Share Posted August 31, 2022 If overseas I only have access to a WiFi signal on my phone coming off a router connected to a satellite link to internet, with no cell phone cover in region, is there a trick to getting DTAC to receive OTPs ? Or will I not be able to use my phone number at all in that situation? Link to comment Share on other sites More sharing options...
Bruno123 Posted August 31, 2022 Share Posted August 31, 2022 3 hours ago, Digitalbanana said: If overseas I only have access to a WiFi signal on my phone coming off a router connected to a satellite link to internet, with no cell phone cover in region, is there a trick to getting DTAC to receive OTPs ? Or will I not be able to use my phone number at all in that situation? Doubtful. Calls, yes. https://www.dtac.co.th/en/network/wifi-calling.html 1 Link to comment Share on other sites More sharing options...
Popular Post Barley Posted August 31, 2022 Popular Post Share Posted August 31, 2022 (edited) Yes - calls AND SMS http://www.dtac.co.th/en/info/dtac-call.html And you don't need to keep the SIM card in the phone this way. Edited August 31, 2022 by Barley 2 1 Link to comment Share on other sites More sharing options...
bamnutsak Posted September 1, 2022 Share Posted September 1, 2022 Yes, can confirm that I could send/receive SMSes using the DTAC Call WiFi Calling option. Receiving SMSes is free. Receiving calls is free. Outbound calls/SMSes are charged at your current plan rates. 10 hours ago, Barley said: And you don't need to keep the SIM card in the phone this way. Yes, at least until you turn the phone off, and back on. 1 Link to comment Share on other sites More sharing options...
tomazbodner Posted September 1, 2022 Share Posted September 1, 2022 I've used DTAC roaming (for a while they had a package which had included roaming in monthly post-paid package). It worked, but... The reason for it wasn't really for calls or SMS, but for data, and for that... speed of it was dreadful. Like if I was being locked to like 128 kbps or something. It was OK for chat messages, but even taking a photo and sending it took so long I just gave up and sent stuff off when I hooked up to Wifi. Eventually I gave up and enabled roaming from AIS, which was maaaaaaanny times faster - on SAME network! Hence I could not recommend it. 1 Link to comment Share on other sites More sharing options...
bamnutsak Posted September 2, 2022 Share Posted September 2, 2022 Yeah, I might avoid using a Thai SIM for data in the U.S.. Maybe 3 days/1 GB for 299 baht is OK to get you through until you can get a local SIM in the USA. I assumed this specific topic was more about receiving OTPs (SMSes). Does the OP have prepaid or postpaid? I don't think you can option a prepaid SIM (DTAC) unless it's an exisiting Sim Go Inter. You can layer onto a postpaid SIM. Enable IR Extend expiry (prepaid) Install and get familiar with the mobile app Insure your handset supports WiFi Calling with DTAC Link to comment Share on other sites More sharing options...
Digitalbanana Posted September 7, 2022 Author Share Posted September 7, 2022 OK, I've got on a wifi signal in another country and the DTAC SIM works fine for calls and SMS when I choose preferred network as Wifi in SIM settings. Was able to get a confirmation OTP for another service this way to my DTAC number which is main thing I needed. Link to comment Share on other sites More sharing options...
Photoguy21 Posted September 7, 2022 Share Posted September 7, 2022 Sign up for international roaming with DTAC Link to comment Share on other sites More sharing options...
Digitalbanana Posted September 10, 2022 Author Share Posted September 10, 2022 On 9/7/2022 at 7:02 PM, Photoguy21 said: Sign up for international roaming with DTAC The network location I am at does not recognize my IR DTAC SIM, but DTAC over local wifi is OK and cheaper. Link to comment Share on other sites More sharing options...
Photoguy21 Posted September 10, 2022 Share Posted September 10, 2022 (edited) 2 hours ago, Digitalbanana said: The network location I am at does not recognize my IR DTAC SIM, but DTAC over local wifi is OK and cheaper. Seems like that would be the way to go then. Might be worth talking to DTAC to see if they have an agreement with the carriers you need to connect with. For example AIS has agreements with most of the world and I have IR for my phone. It is just a quick computer enable from the company in your case DTAC Edited September 10, 2022 by Photoguy21 Link to comment Share on other sites More sharing options...
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