It’s all about speed!
Activate VoLTE service now!


What is VoLTE ?

1O1O is proud to present you VoLTE, which brings voice call and video call to a brand new generation! VoLTE (Voice Over LTE) means connection of voice and video call through 4G LTE network. As a valuable 1O1O customer, you can now enjoy a FREE upgrade to experience voice call with speedy connection and video call with high quality!

In 2017, 1O1O has joined forces with Macau mobile service provider CTM to launch the world’s first end-to-end VoLTE IDD service, so both sets of customers can enjoy high-quality voice and video IDD calling, plus near-instant connection.



Benefit of using VoLTE

Benefit 1

Facilitates faster voice-call connections. What used to take around 7 seconds on a 3G network is now as fast as 1 second, if both parties are using VoLTE. Even so it just takes around 4 seconds if using 3G network.

If both users are enjoying VoLTE, the call connection just need as fast as 1 second!

Benefit 2

Ensures high-definition quality video calling (applicable only to Android handsets).

Traditional video call connected under 3G network. The resolution is just 176 x144 pixels. The visual is blur.
Video call connected under VoLTE, with resolution reaches up to 640 x 480 pixels. Obviously the visual is very clear with high quality.

Benefit 3

Provides instant switching between voice and video calls
(applicable only to Android handsets) at the click of a button.

Switch between voice and video call by pressing Video call


Must have items for using VoLTE

Use a VoLTE enabled handset
Have the handset software
upgraded to latest version
(Applicable to Android handsets)
Activate the VoLTE
function of the handset
  - LG  
  - iPhone  
  - Samsung  
  - Sony  
  - Huawei  
  - Xiaomi  

In addition, Samsung user can also upgrade the handset firmware with the following ways:

Bring your handset to
Samsung customer
service center
Download firmware via
Samsung official site
Bring your handset to
1O1O Center

Call the 1O1O Product Hotline on 2988 1010
or visit a 1O1O Center for details.

  1. VoLTE service is only available under 4G LTE network coverage for intra-network calls or inter-network call between CTM Macau, with designated rate plans and handsets, and cannot be used in conjunction with certain types of service. Please call 2888 1010 for details.
  2. Video call is a chargeable service, irrespective of whether 3G or VoLTE has been activated. The standard charge of local video call: intra network – $1.5/min; other local operator – $2.5/min. Usage will be rounded up to the nearest minute. Customer in Hong Kong makes voice or video calls to CTM Macau numbers or makes IDD voice or video calls in Macau are subject to extra IDD charges.
  3. VoLTE Video call is only available when both users are using VoLTE service.