Experience the best indoor & outdoor coverage
Crystal Clear Calls
Enjoy high-definition voice calls, where every detail is heard loud & clear.
WiFi Calls
No data? No problem. Receive and make calls without mobile coverage with a WiFi connection.
Improved quality
Calls indoors will still be reliable regardless of your mobile coverage.
2x faster calls
Live life with no delay as all your call begins immediately.
Calls & browse internet all at once
Enjoy voice call in HD while surfing the internet or playing online games
High-Definition voice calls
Your phone calls to friends and family are getting an upgrade with VoLTE (Voice over LTE)! Introducing Celcom’s new and free feature that will allow you to enjoy calls in HD, plus more.
*You may refer to your respective phone manufacturer to enable VoLTE.
To enjoy the wonders of VoLTE, customers must switch to USIM. With USIM, you can enjoy the smooth benefits of 4G data all while being ready for a 5G future. If you are currently a 32K SIM card user, please visit your nearest Celcom store to upgrade to a USIM (64K).
What is VoWiFi?
VoWiFi is a voice call service that lets you reliably receive and make calls over any WiFi network regardless of your mobile coverage.
Benefits of VoWiFi
Make calls at your convenience indoors whether you have a stable mobile network or not with a WiFi connection.
Learn more about VoLTE and VoWIFI
Activate VoWiFi to Enjoy Enhanced Call Quality Wherever You Are
VoWiFi is a voice call service that lets you reliably receive and make calls over any WiFi network that you are currently on regardless of providers.
As a result, you will enjoy an enhanced experience with better call quality.
To enjoy VoWiFi using your company Wi-Fi access, kindly ensure these parameters are being enabled by your IT administrator.
ePDG |
IP Address | Source transport | PPort/Service to be Opened |
Commercial KPG ePDG |
183.171.190.35 & 183.171.2.28 |
TCP, UDP |
500/4500 |
ePDG | Commercial KPG ePDG |
IP Address | 183.171.190.35 & 183.171.2.28 |
Source transport | TCP, UDP |
Port/Service to be Opened | 500/4500 |
Your mobile device must support and be configured with VoLTE service.
Your device models and OS must support VoWiFi service.