What I need to know about VoLTE and VoWiFi?

Modified on Tue, 19 Mar 2024 at 10:52 AM

VoLTE is known as voice over LTE that allows customers to enjoy high-quality voice calls with almost no background noise. Whereas Voice over WiFi or VoWiFi is the ability to make and/ or receive calls & SMS over a WiFi connection, even when mobile signal is limited or absent.

By activating VoLTE and VoWiFi on your device, you will experience the best indoor & outdoor coverage.

Simultaneous call and Internet browsing
Calls that are 2x faster
Crystal clear call quality
WiFi calls

VoLTE

Eligibility & Supported Devices

All Celcom and Digi Postpaid subscribers with supported device models.
All latest mobile devices sold via their official manufacturer stores in Malaysia are enabled with VoLTE. Alternatively, check with your phone manufacturer to confirm VoLTE compatibility.

Activating VoLTE

VoLTE will be activated automatically when your smartphone is connected to the 4G LTE network. Please ensure that your smartphone is updated to the latest software.

Then, follow these steps to activate VoLTE:

iOS

Go to 'Settings' > 'Mobile Data' > 'Mobile Data Options' > Enable 4G > Select 'Voice and Data'. 
To check if VoLTE is enabled: Go to 'Settings' > 'General' > 'About' > tap on 'Network Provider' > it will change to 'IMS Status: Voice & SMS'.

Android

If the device is VoLTE certified, it will turn on automatically. Please refer to device manufacturer for further information.

VoWiFi

Eligibility & Supported Devices

All Celcom and Digi customers with supported device models.
All latest mobile devices sold via their official manufacturer stores in Malaysia are enabled with VoWiFi. Alternatively, check with your phone manufacturer to confirm VoWiFi compatibility.

Enabling VoWiFi

Please make sure of the following: 

Your device is running the latest operating system
It has the Wi-Fi calling feature
You see a VoLTE logo on your status bar

Then, follow these steps to activate Wi-Fi calling on your device:

iOS

Go to ‘Settings’ > ‘Mobile Service’ > Look for ‘Wi-Fi Calling’ > Toggle on ‘Wi-Fi Calling on This iPhone’.

Android 

Go to ‘Settings’ > ‘Network & Internet’ or a similar option depending on your device > Look for ‘Wi-Fi Calling’ or ‘Wi-Fi Calling Preferences’ and turn it on.

Once enabled, you will be able to see an icon on the top of the device screen indicating an active VoWiFi. This will also be subjected to different device brands/ models.

Note: You can disable VoWiFi on your device if you do not want to use it. You will be able to use the mobile line to make calls and send SMS if you disable it. However, some activities will still rely on other network service signals such as mobile networks or VoLTE services.

If you need assistance, please get in touch with us.

What I need to know about VoLTE and VoWiFi?

About CelcomDigi

Resources