What isWiFi calling
WiFi calling is another step of telecommunication technology for your audio connection via WiFi signal on dtac Super4G, ensuring the strongest signal from every corner of the globe with Thai domestic service fee without the need to rely on any application both for calling out and receiving calls.
How does WiFi calling | VoWiFi work?
VoWiFi technology will turn all WiFi signal worldwide to be dtac signal for your calls. You only need phones that support VoWiFi technology and WiFi connection, ultimately your phone will no longer have any limit.
Supporting phones
WiFi calling
Supporting using WiFi Calling device
Apple
Devices from the iPhone 5C to the present
Supporting using WiFi Calling device
Samsung
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
vivo
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
OPPO
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
Realme
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
Xiaomi
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
Huawei
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
Infinix
Machines from 2016 (2016) to the present
Supporting using WiFi Calling device
X5, X5PLUS, X6, X6a, X7, X7a, X8, X8a, X8a 5G, X9 (4G), X9a, Honor 70, Honor 90, Honor 90 Lite, Magic4 Pro, Magic5 Pro
Officially available for sale on the machine.
Supporting using WiFi Calling device
Sony
VoWiFi (WiFi Calling) is not supported.
How to set up Wi-Fi Calling
สิ่งที่ต้องทำก่อนตั้งค่า WiFi Calling
-
1
ต้องเปิดเมนู WiFi Calling ที่
ตัวเครื่องในประเทศไทยเท่านั้น กรณีที่ไม่ได้เปิดจะใช้งาน WiFi Calling ในต่างประเทศไม่ได้ -
2
เบอร์ต้องมีสถานะปกติ
ต้องมี SIM หรือ เปิด eSIM -
3
เบอร์มือถือที่อยู่ในเครื่อง ต้องมีสัญญาณสามารถโทรออกได้
-
4
มือถือต้องเปิดสัญญาณ 4G/5G หรือ เชื่อมต่อ WiFi
ที่ใช้ internet ได้
Step 1
Tap Settings then, Connection.
Step 2
Tap Wi-Fi Calling.
Step 3
Turn on the SIM that want to use Wi-Fi Calling As shown are physical and eSIM.
Step 4
Choose Wi-Fi preferred.
Step 5
If success, the screen will show as below.
Step 1
Tap Settings then, Cellular.
Step 2
Choose on the number that want to use Wi-Fi Calling.
Step 3
Choose Wi-Fi calling.
Step 4
Tap Enable
Step 5
Tap accept.
Step 6
If success, the screen will show as below.
How to use Wi-Fi Calling
How to use Wi-Fi Calling function, need to check as below:
-
1
check:- SIM’s status must be active.
- Physical SIM or eSIM must be in the device and Wi-Fi Calling must be turned on.
- Wi-Fi Calling must be turned on as shown below when still in Thailand.
-
2
Turn on Airplane Mode.
In case of using abroad, must turn on airplane mode at all time since from Thailand. -
3
Connect to Wi-Fi to test the connection.
Free Wi-Fi or home Wi-Fi in some countries might not support Wi-Fi Calling. In that case, can try to connect to Wi-Fi which shared the hotspot from another device. -
4
Test outgoing call.
Noted: To use Wi-Fi Calling, make sure to do the steps as below at all time.
Step 1
Tap Settings -> Connection -> Wi-Fi Calling.
Step 2
Turn on Airplane mode.
Step 3
After Connect to Wi-Fi must be shown as below.
Step 4
Press to call.
Step 1
Press Settings -> Cellular
-> Choose number ->
Wi-Fi calling: Enable
Step 2
Turn on Airplane mode.
Step 3
After Connect to Wi-Fi must be shown as below.
Step 4
Press to call.
How to fix Wi-Fi Calling issue.
Using in Thailand. :
- SIM must be in the device or eSIM must have signal.
- SIM must be able to make call.
- Device support Wi-Fi Calling /and update to latest version.
- Turn on data 4G, 5G.
- Off-on device and try to turn on Wi-Fi Calling again.
Want to use Wi-Fi Calling function when being abroad.
- SIM must be in the device or eSIM must have signal.
- SIM must be able to make call.
- Device support Wi-Fi Calling /and update to latest version.
- In case of using abroad and want to turn on Wi-Fi calling function on device. (Forget to turn on Wi-Fi Calling function when still in Thailand.)
- Connect to Wi-Fi or Connect Wi-Fi Hotspot from another device.
- The number must activate international roaming service and the device must have signal. Must be able to make call, no need to turn on data roaming.
- Press ##002# and call to cancel voice mail call forward.
- Off-on device and try to turn on Wi-Fi Calling again.
To use Wi-Fi calling, the screen on the device must show as below.
How to fix
- SIM must be in the device.
- SIM’s status must be active and not suspended (No need Roaming service for using abroad).
- Device supports Wi-Fi Calling.
- Already turned-on Wi-Fi Calling function.
- Turn on Airplane mode and off-on device.
- Connect to home Wi-Fi / public Wi-Fi or Wi-Fi Hotspot which sharing from another device that able to access to the internet normally.
- Test outgoing or incoming call.
Free Wi-Fi in some countries is not support Wi-Fi Calling so, must test by connecting to Wi-Fi hotspot from another device.
To use Wi-Fi calling, the screen on the device must show as below.
How to fix
- SIM must be in the device.
- SIM’s status must be active and not suspended (No need Roaming service for using abroad).
- Device supports Wi-Fi Calling.
- Already turned-on Wi-Fi Calling function.
- Turn on Airplane mode and off-on device.
- Connect to home Wi-Fi / public Wi-Fi or Wi-Fi Hotspot which sharing from another device that able to access to the internet normally.
- Test outgoing or incoming call.
Free Wi-Fi in some countries is not support Wi-Fi Calling so, must test by connecting to Wi-Fi hotspot from another device.
Press ##002# and call to cancel call forwarding and prevent excess charges.
