
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.



Benefit 2
Ensures high-definition quality video calling (applicable only to Android handsets).


Benefit 3
Provides instant switching between voice and video calls
(applicable only to Android handsets) at the click of a button.



Must have items for using VoLTE


upgraded to latest version
(Applicable to Android handsets)
In addition, Samsung user can also upgrade the handset firmware with the following ways:
Call the 1O1O Product Hotline on 2988 1010
or visit a 1O1O Center for details.
- 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.
- 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.
- VoLTE Video call is only available when both users are using VoLTE service.