How to Use
Roaming Services
Select network
Making/receiving calls ;
Sending/receiving SMS
Data roaming
Topping up
when abroad
Call Management
Service
Select network
Making / receiving calls ; Sending / receiving SMS
Data roaming
Topping up
when abroad
Call Management Service
How to select a network
  • Automatic Network Selection When you turn on your phone for the first time while abroad, your phone will automatically select the network with best signal at that moment. If you happen to be in a spot with a weak signal, your phone will automatically switch to the network with the best signal.
  • In order to use the allowance from your selected package (e.g. Non-Stop Data Roaming or Super Value Voice Roaming package), it is recommended that you manually select a network that is covered prior to your use. For information about how to manually select a network on iOS and Android, please read the instructions below.
  • iOS
  • Android
  • Hassle-free-Facts
1 Go to “Settings”, and then Select “Cellular”
2 Network selection
3 Select “Automatic”
1 Go to “Settings”, then Select “Connections”
2 Select “Mobile networks”
3 Select “Network operators”
4 Select “Automatic”
Hassle-free-Facts
  • As service areas, additional services, promotion conditions, and packages provided by AIS are different from those of other international mobile operators, you can manually select a network that matches your needs through your phone. To learn more about how to select a network manually, consult your phone manual
  • In case you have selected a network and the selected network is unavailable in a particular location, you may temporarily gain no access to the network services. In case you have an urgent need to use a service, it is recommended you select a different network. However, in case the new network you have selected is beyond the terms and conditions of the package you have applied for, a normal roaming service charge will be incurred.
Making/receiving calls ; Sending/receiving SMS
Making calls while abroad
It is really easy to make a call back to Thailand, or to a number in your roaming country (domestic call), and even to a number in some other country.
How to make a call
Dial Country code Area code Phone number  
Example:
When you are in Singapore and want to use the roaming service to :
  • Call the Mobile number
    081-123-4567
    in Thailand,
    Dial
    66-81-1234567
  • Call the Fixed line number
    02-123-4567
    in Thailand,
    Dial
    66-2-1234567
  • Call the phone number
    02-303-03039
    in Singapore,
    Dial
    65-2-30303039
  • Call the phone number
    098-765-432
    in England,
    Dial
    44-98-765432
Note :
  • 66 is the country code for Thailand.
  • 65 is the country code for Singapore.
  • 44 is the country code for England.
  • For an area code, there is no need to enter the first "0", if any.
Service Fee
You can check service rates for "Call to Thailand", "Domestic call in the roaming country" or "Call to other countries" that you want to make in your roaming country here
Contact AIS CALL CENTER wherever you are
While abroad, you can contact AIS CALL CENTER, 24/7, as follows :
Making a call:
Dial  
66-2-0789000

Service Fee :
For Based on rates for “Call to Thailand” from your roaming country. For more information, please click here
Receiving calls while abroad
When you receive a call while abroad, you will be charged at "Receiving call" rate of your current roaming country. You can check "Receiving call" rate of your roaming country here

For those who want to call you. You can make calls as usual like you are in Thailand. If you do not answer an incoming call while abroad, you will not be charged.
SMS Roaming
You can easily send SMS messages while abroad.
How to send SMS
Dial
Country CodeArea CodePhone Number

Tips: If you want to send SMS to a phone number in Thailand, you can do it the same way as if you were in Thailand.
Example :
When you are in Singapore and want to use the roaming service to :
  • Send an SMS to the phone number
    310-123-4567
    in Canada. Enter the destination number as Dial
    1- 310-1234567
  • Send SMS to the mobile number
    081-123-4567
    in Thailand. Enter the destination number as Dial
    66- 81-1234567
Service Fee
  • You will be charged as “Sending SMS”. You can check your roaming country rates here
  • Receiving SMS while abroad is Free of Charge.
Good to Know :
Each SMS is limited to 160 characters for English texts and 70 characters for Thai texts. For example, if you send an SMS containing 150 Thai characters, it will be counted as 3 SMS. Or, if you send an SMS containing 180 English characters, it will be counted as 2 SMS.

If you cannot send SMS while abroad, please check your Message Center settings in your mobile phone.
The Message Center number must be
66- 92-301-0900
Hassle-free-Facts
  • If you do not answer an incoming call while abroad, you will not be charged.
  • If you make a call while abroad and no one answers your call, you will not incur a roaming fee. Except for :
    • Telenor and TDC Mobile A/S networks in Denmark which will charge you 2 Baht / time.(Exclusive of VAT)
    • For AT&T in the US, if you make a call, have to hold the line for over 29 seconds and no one answers your phone, you will be charged for the roaming service as Making call in the roaming country (domestic call) at 45 Baht/minute (VAT excluded).
  • Listening to a voice message when abroad will incur a charge based on the service rate “Calls to Thailand” from your roaming country.
  • If you make a call while abroad to a destination number which is an interactive voice response system (IVR) or to a number that diverts incoming calls to an automatic voice recording system, you will be charged for the roaming service.
  • If you make a call using an international calling card while abroad, you will be subjected to two different charges:
    • roaming charges
    • charges incurred for using the international calling card.
  • If you activate roaming service and use your phone in the border provinces of Thailand connecting to the neighboring countries and your phone shows any icon of the neighboring countries networks, it is recommended that you change the network back to the AIS network. You can learn more about how to select a network here
  • If you use your phone with the neighboring country network icon displayed, you will be charged at the roaming fee rates.
  • Make sure to end calls at all times. If you forget to end a call or end it incorrectly, you may be charged continuously at the roaming fee rate even if your conversation has already ended.
  • When you make a call to AIS numbers in the same roaming country, you will be charged for the roaming call as follows :
    • If you make a call to roamed AIS numbers, you will be charged for the service fee as a "Call to Thailand" with that country's roaming rates. You can check your roaming country rates here.
    • If you receive a call, you will be charged for the service fee as "Receiving call" with that country's roaming rates. You can check your roaming country rates here.
How to use Data Roaming
With AIS Data Roaming service, You can now easily get connected, go online, chat and send/receive emails on any smart device from anywhere in the world
Good to know
  • Before your departure, you have to configure your device to support data roaming service.
  • All packages that you have subscribed to and used in Thailand do not cover any usage that occurs overseas.
  • Some applications on mobile phones, smartphones, or tablets may have auto-data connections. So, you should deactivate your data service when not in use. View how to activate-deactivate data service as below instructions.
  • When you use data roaming, you will be charged as volume-based in KB (Kilobyte) or MB (Megabyte).
  • In case of the iPhone is eSIM enabled or activated. If you want to turn on/off data roaming service, you must select the preferred line from the Cellular Plans section. Then you can tap the Data Roaming switch to turn on or off.

Service rates
View data roaming service rates of your destination country here

  • iOS
  • Android
1 Go to "Settings", and then Select "Cellular"
2 Select "Cellular Data Option"
3 Select "Data Roaming"
1 ไปที่การตั้งค่า แล้วเลือก "เซลลูลาร์"
2 เลือกเครือข่าย "AIS"
3 เลือก "ดาต้าโรมมิ่ง"
1 Go to "Settings", then Select "Connections"
2 Select "Mobile networks"
3 Select "Data Roaming"
Topping up and credit balance checking
Before your departure, you should top up your account to have sufficient credit balance for using roaming service while abroad.

Tip: You can buy a top-up card while in Thailand to be used when you are abroad.
Topping up when abroad
You can top up your account while abroad as follows :

* Topping up with cash cards
You are required to bring a top-up card with you abroad.
dial 
120
16-digit card code#


To check your credit balance when abroad
dial 
121#
 free of charge.
Call Management Service
Call Forwarding / Call Diverting
You can forward/divert incoming calls to other phone numbers in Thailand.

How to forward/divert a call
  • Go to Menu
  • Select Setting
  • Select Call Forward / Call Divert
  • Select forward/divert type as follows:
    1. Forward/divert all calls
    2. Forward/divert when unanswered
    3. Forward/divert when not reachable
    4. Divert when busy
  • Enter the phone number that you want to forward/divert to.

Service Fee
If you forward/divert incoming calls while abroad, you will be charged as follows:
Forward/divert all incoming calls or as above case 1 : you will be charged at normal local forward/divert call rates.

Forward/divert in other situations or as above case 2, 3 and 4 : You will be subjected to two different charges: 1) service fee as “Call to Thailand” and 2) the service fee of “Receive call” in the roaming country. You can check your roaming country rates here

Forwarding/diverting calls to the destination number
Forwarding/diverting calls to the destination number in Thailand: Free of charge Forwarding/diverting calls to the destination number in the roaming country: You will be charged as “Receiving call” rate of the roaming country. You can check your roaming country rates here